RSJ (Rolled Steel Joist) beams are one of the most popular and versatile structural elements used in various construction projects. They are commonly used to support heavy loads and provide structural stability in buildings, bridges, and other structures. When it comes to selecting the appropriate RSJ beam size for a specific span, it is essential to consider various factors such as the length of the span, type of load, and building regulations. In this article, we will explore the different sizes of RSJ steel beams available for spans ranging from 3m to 10m, highlighting their features and benefits to help you make an informed decision for your construction needs.

## RSJ steel beam size for 3m, 4m, 5m, 6m, 7m, 8m, 9m and 10m span

RSJ (Rolled Steel Joist) is a common type of steel beam used in construction for its strength and durability. It is an ideal choice for spanning long distances and supporting heavy loads. The size of the RSJ beam is an important factor to consider for ensuring structural stability and safety. In this article, we will discuss the recommended RSJ steel beam sizes for spans ranging from 3m to 10m.

3m span: For a 3m span, a minimum size of 203x133mm RSJ beam, also known as UB 203x133x25, is recommended. This size can comfortably support loads of up to 10kN/m.

4m span: A 254x102mm RSJ beam, UB 254x102x22, is suitable for a 4m span. This size can withstand a load of up to 12.5kN/m.

5m span: To span a distance of 5m, a 305x165mm RSJ beam, also known as UB 305x165x40, is recommended. This size is capable of supporting a load of up to 15kN/m.

6m span: A 356x127mm RSJ beam, UB 356x127x37, is ideal for a 6m span. This size can support loads of up to 17.5kN/m.

7m span: For a 7m span, a 406x178mm RSJ beam, UB 406x178x60, is recommended. This size is capable of supporting a load of up to 20kN/m.

8m span: A 457x191mm RSJ beam, UB 457x191x67, is suitable for a 8m span. This size can withstand a load of up to 22.5kN/m.

9m span: To span a distance of 9m, a 533x210mm RSJ beam, also known as UB 533x210x92, is recommended. This size is capable of supporting a load of up to 25kN/m.

10m span: A 610x229mm RSJ beam, UB 610x229x140, is ideal for a 10m span. This size can support loads of up to 30kN/m.

It is important to note that these recommended sizes are based on standard conditions and may vary depending on the type of construction and load requirements. It is always recommended to consult a structural engineer to determine the exact size and type of RSJ beam needed for a specific project.

In conclusion, RSJ steel beams of various sizes are available to meet different span and loading requirements. Choosing the right size of RSJ beam is crucial in ensuring the structural stability and safety of a building. It is always advisable to consult a structural engineer to determine the appropriate size and type of RSJ beam for a specific construction project.

## RSJ beam size for 3m span

RSJ (Rolled Steel Joist) beams are commonly used in civil engineering for its strength, versatility, and cost-effectiveness. When it comes to selecting the appropriate RSJ beam size for a 3m span, several factors need to be considered.

1. Load: The first and most important factor to consider is the load that the beam will be supporting. This includes the weight of the structure itself, live load (people, furniture, equipment), and any additional loads such as snow or wind. The design load will determine the required strength and stiffness of the beam.

2. Material: RSJ beams are available in different materials such as mild steel, high-strength steel, and stainless steel. The type of material used will affect the strength and durability of the beam.

3. Span-to-depth ratio: The span-to-depth ratio is the ratio of the distance between the supports (in this case, 3m) to the depth of the beam. A higher span-to-depth ratio will result in a more flexible beam, whereas a lower ratio will produce a stiffer beam. For a 3m span, a span-to-depth ratio of 20:1 is recommended for optimal strength and stiffness.

4. Code requirements: Different countries have their own guidelines and building codes for determining the appropriate size of RSJ beams. It is important to consult the local building codes to ensure compliance with the minimum size requirements.

5. Deflection limits: The amount of deflection or bending that the beam can undergo without causing damage is an important consideration. Deflection limits will vary depending on the type of structure and its intended use.

Based on these factors, the standard size of an RSJ beam for a 3m span with a load-bearing capacity of up to 3 tonnes would be 152x89x16 UB (Universal Beam). This would have a span-to-depth ratio of 19.11:1, making it a suitable choice for a 3m span.

However, it is always recommended to consult a structural engineer to determine the appropriate size of RSJ beam for a 3m span, as there may be other specific factors that need to be taken into account. Properly sizing the beam is crucial for the safety and stability of the structure.

## RSJ beam size for 4m span

RSJ (Rolled Steel Joist) beams are commonly used in civil engineering for structural support in buildings and bridges. When determining the appropriate size of an RSJ beam for a 4m span, there are several factors that need to be considered.

Firstly, the load that the beam will be supporting must be determined. This includes both the dead load (the weight of the beam itself) and live load (the weight of the objects and people that will be on the beam). In most cases, the dead load is negligible compared to the live load.

Next, the required design load for the specific project must be determined. This is typically calculated by structural engineers taking into account safety factors and building codes.

The type of RSJ beam selected will also impact the size needed for a 4m span. There are various types of RSJ beams, including W-Shape, S-Shape, and HP-Shape, each with different load-bearing capacities. The appropriate type of beam will depend on the type of structure and the load it will need to support.

In general, for a 4m span, an RSJ beam with a depth of at least 152 mm and a width of 89 mm may be suitable. This size is capable of supporting a live load of approximately 900 kg/m and a dead load of 200 kg/m.

In addition to size, the material of the RSJ beam also plays a crucial role in its load-bearing capacity. Rolled steel joists are usually made of mild steel, which is a strong and durable material. The grade of steel used will influence the size and strength of the beam.

Other factors to consider when determining the size of an RSJ beam for a 4m span include the spacing between the beams, the type of connections used, and any additional supports or bracing required.

In conclusion, the size of an RSJ beam for a 4m span will depend on various factors, including the load it will need to support, the type of beam selected, the material, and other design considerations. Consulting a structural engineer is recommended to ensure the correct size and type of RSJ beam is used for a specific project.

## RSJ beam size for 5m span

A RSJ (Rolled Steel Joist) beam is a type of steel beam commonly used in structural construction. It is a popular choice due to its high strength-to-weight ratio, ease of installation, and cost-effectiveness. When it comes to selecting the appropriate RSJ beam size for a 5m span, there are a few key factors that need to be considered.

The size of a RSJ beam is determined by its depth, width, and thickness. These dimensions are usually given in millimeters (mm). For a 5m span, the most commonly used RSJ beam sizes would range from 152x89mm to 203x203mm.

The first step in selecting the right RSJ beam size for a 5m span is to determine the load that the beam will need to support. This includes the weight of the structure itself as well as any additional loads such as roofing materials, partitions, and people or furniture if it is a floor beam.

The next consideration is the type of loading that the beam will be subjected to. For a 5m span, the beam would generally be under a uniform distributed load (UDL) which means the load is spread evenly along the entire length of the beam. It is important to note that if there are points of concentrated loads, such as columns or walls, these need to be taken into account and can affect the size of the beam required.

Once the load and type of loading are determined, the engineer can use structural design software or manual calculations to determine the allowable stress on the beam. This takes into account the material used, in this case, steel, and the safety factor required for the specific project.

Based on the allowable stress and the type of loading, the engineer can then refer to standard tables provided by steel manufacturers to select the appropriate RSJ beam size. These tables provide different options of bearings and beam lengths for a range of loads and loading conditions.

It is important to note that other factors may also play a role in determining the RSJ size for a 5m span, such as the nature of the structure and the design of the connections. These should be carefully evaluated by a qualified engineer to ensure the structural integrity and safety of the overall project.

In conclusion, the appropriate RSJ beam size for a 5m span will depend on several factors including the load, type of loading, allowable stress, and other structural considerations. It is crucial to work with a qualified engineer to determine the most suitable beam size to ensure a safe and successful construction project.

## RSJ beam size for 6m span

RSJ, or Rolled Steel Joist, beams are commonly used in construction as load-bearing or structural elements. They are commonly used in both residential and commercial buildings due to their strength, durability, and versatility.

When it comes to determining the size of an RSJ beam for a 6m span, several factors need to be taken into consideration. These include the type of building, the loads it will carry, and the type of support at the ends of the beam.

The type of building will determine the type of loading that the beam will be subjected to. For example, a residential building may only require the beam to support the weight of the roof and the ceiling. On the other hand, a commercial building may have additional loads such as equipment, machinery, and storage materials.

The loads that the beam will carry also play a crucial role in determining its size. The beam must be able to withstand the weight placed on it without bending or deflecting excessively. This is known as its load-bearing capacity and is typically measured in kilonewtons (kN).

The type of support at the ends of the beam also affects its size. For a 6m span, the beam will have two support points at either end. The type of support can be either fixed or simply supported. A fixed support is one where the beam is rigidly connected to the support, and it cannot rotate or move in any direction. A simply supported support is one that allows for rotation and movement at the ends of the beam.

To determine the size of an RSJ beam for a 6m span, engineers use structural analysis methods such as the moment distribution method or the direct stiffness method. These methods take into account the type of loading and support to calculate the maximum bending moment and shear force that the beam will experience.

Based on these calculations, the size of the beam can be determined. For a 6m span, an RSJ beam with a depth of 305mm and a width of 102mm is commonly used. This size can typically support loads between 40kN to 150kN, depending on the other factors mentioned above.

In conclusion, the size of an RSJ beam for a 6m span is determined by factors such as the type of building, the loads it will carry, and the type of support at the ends of the beam. Engineers use structural analysis methods to calculate the maximum bending moment and shear force, which ultimately determines the size of the beam needed for the building’s structural integrity.

## RSJ beam size for 7m span

A RSJ (rolled steel joist) beam is a type of structural steel beam that is commonly used in construction. It is strong, durable, and has a high load-carrying capacity, making it suitable for a wide range of applications.

When determining the size of a RSJ beam for a 7m span, several factors need to be considered. These include the type of loading, the required strength and stiffness, and the available space for the beam.

Firstly, the type of loading on the beam is an essential factor in determining the appropriate size. There are two primary types of loads that a beam can be subjected to: dead loads and live loads. Dead loads are permanent loads, such as the weight of the structure itself, while live loads are variable and can include furniture, people, and equipment. For a 7m span, a typical design load for a residential structure would be around 1.5 kN/m2 for the floor and 0.75 kN/m2 for the roof. However, for commercial or industrial applications, the design load may be much higher.

Secondly, the required strength and stiffness of the beam depend on the type of structure and its intended use. The beam must be able to support the imposed loads without excessive deflection or bending. This is achieved by selecting a suitable cross-sectional shape and size for the beam. For a 7m span, a W150x22 (H-beam) or a UB152x89 (I-beam) would generally be suitable choices. These standard sizes are readily available and have a high strength-to-weight ratio.

Lastly, the available space for the beam must also be taken into consideration. The depth of the beam should be chosen in such a way that it can be accommodated within the construction space, without compromising the architectural design. In some cases, a shallower depth beam may be required to meet the space constraints, in which case, a wider beam may be needed to achieve the necessary strength and stiffness.

In conclusion, the size of a RSJ beam for a 7m span will vary depending on the type of loading, required strength and stiffness, and available space. It is essential to carefully consider these factors to select the most appropriate and cost-effective beam size for a given project. Professional engineering consultation and structural analysis may be necessary to determine the exact size and type of RSJ beam for a specific application.

## RSJ beam size for 8m span

A RSJ (Rolled Steel Joist) is a common type of steel beam used in construction projects. It is an “I” shaped beam, also known as an I-beam, due to its cross-sectional shape. RSJ beams are widely used as they provide structural support and strength to buildings and other structures.

When it comes to determining the size of an RSJ beam for a specific span of 8 meters, there are a few factors that need to be considered. These include the load that the beam will support, the type of material being used, and the required strength and stiffness of the structure.

The first step in determining the size of an RSJ beam is to calculate the load it will be subjected to. This includes both the dead load (weight of the beam itself) and the live load (any additional weight that will be placed on the beam). This could include the weight of the roof, walls, and any other elements that the beam will support.

Next, the type of material used for the construction of the beam needs to be considered. RSJ beams are typically made from carbon steel, which is known for its high strength and durability. The grade of steel used will also affect the size of the beam, with higher grade steel allowing for smaller beam sizes.

Another important factor in determining the size of an RSJ beam is the required strength and stiffness of the structure. The span of 8 meters suggests that the beam will be supporting a significant load, so a stronger and stiffer beam will be necessary. This can be achieved by increasing the depth, flange width, or thickness of the beam.

Using these factors, the size of the RSJ beam for an 8m span can be calculated using structural engineering software or consulting standard beam design tables. These tools take into account the load, material, and required strength and stiffness to determine the appropriate size of the beam.

In general, for an 8m span, an RSJ beam with a depth of 203 mm and flange width of 133 mm would typically be sufficient. However, this may vary depending on the specific requirements of the project.

It is important to note that the size of an RSJ beam for an 8m span may vary depending on the specific design of the structure and the requirements of the structural engineer. Therefore, it is always best to consult with a professional engineer for an accurate and safe design.

In conclusion, when determining the size of an RSJ beam for an 8m span, several factors such as load, material, and required strength and stiffness must be considered to ensure the structural integrity and safety of the building or structure. Calculations using structural engineering software or consulting standard beam design tables can provide an accurate and appropriate size for the beam.

## RSJ beam size for 9m span

RSJ (Rolled Steel Joist) beams are commonly used in construction for their high strength and durability. The size of an RSJ beam depends on several factors, such as the span length, load capacity, and the type of material used.

For a 9m span, the size of the RSJ beam will be determined by the load it needs to support. The load on the beam is a result of the weight of the structure above it, which includes the flooring, walls, roof, and any additional live loads such as furniture or equipment. In addition, the span length also plays a significant role in determining the size of the beam.

One way to determine the appropriate size of the RSJ beam for a 9m span is by using structural design software. This software takes into account the various loads and calculates the required beam size for the given span. The size of the beam will also depend on the type of material used, such as mild steel, stainless steel, or reinforced concrete.

Another crucial factor for the size of an RSJ beam is the desired deflection. Deflection is the bending or movement of a beam under a load. A smaller RSJ beam size with a higher-grade material will result in less deflection, but it will require more significant supports or columns to compensate for the smaller size.

The most commonly used RSJ beam sizes for a 9m span are 203x133mm (8×5 inches) or 203x203mm (8×8 inches) for mild steel beams, and 200x100mm (8×4 inches) or 200x200mm (8×8 inches) for reinforced concrete beams. These sizes can support various loads and allow for a reasonable amount of deflection, making them suitable for a 9m span.

It is essential to consider all the factors mentioned above when selecting the appropriate RSJ beam size for a 9m span to ensure the structural integrity and safety of the building. It is always recommended to consult a structural engineer for proper beam sizing and design to meet the specific requirements of the structure.

## RSJ beam size for 10m span

A RSJ (Rolled Steel Joist) beam is a structural member commonly used in construction to support loads over large spans. For a 10m span, the size and type of RSJ beam required will depend on several factors, including the type and magnitude of the load, the type of structure it will be supporting, and the local building codes and regulations.

In general, the size of an RSJ beam is determined by its depth, width, and thickness. These dimensions are usually given in millimeters (mm) and are based on the metric system. For a 10m span, the beam size will be larger compared to a shorter span, as it needs to resist larger bending moments and shear forces.

To determine the appropriate RSJ beam size, the engineer will need to consider the maximum bending moment and shear force that the beam will experience. These calculations are based on the applied load (dead load, live load, wind load, etc.), the span length, and the support conditions (simple, fixed, or continuous). The engineer will then use these values along with the material properties of the RSJ beam (such as yield strength and modulus of elasticity) to determine the required dimensions.

For a 10m span, the most commonly used RSJ beam sizes range from 254mm x 146mm x 31kg/m to 356mm x 171mm x 51kg/m. A larger span may require even larger sizes, such as 406mm x 178mm x 60kg/m, to provide adequate strength and stiffness.

In addition to the RSJ beam size, the engineer will also need to consider the type of connection between the beam and its supports. For a 10m span, it is likely that the beam will require intermediate supports, such as columns or walls. These supports will also need to be designed to carry the load from the beam to the ground, and their size and strength will depend on the size and type of the RSJ beam used.

In conclusion, the appropriate RSJ beam size for a 10m span will depend on various factors, including the applied load, span length, and support conditions. The engineer will need to carefully consider these factors and perform detailed calculations to determine the most suitable beam size that will provide optimal strength and stability for the structure.

## How much does a 3m RSJ weigh

A 3m RSJ (Rolled Steel Joist) is a commonly used structural beam in construction. It is a type of steel beam that is designed to support heavy loads and distribute weight evenly across its length.

The weight of a 3m RSJ varies depending on the profile and size of the beam. It is important to consider the weight of the beam in construction as it affects the design and installation process.

The weight of a 3m RSJ can be estimated by using the weight-per-meter calculation method. This involves multiplying the cross-sectional area of the beam by the density of the steel. The formula can be expressed as:

Weight = (Length x Cross-sectional Area) x Density

Using the standard density of steel, which is 7850 kg/m3, the weight of a 3m RSJ can be approximately calculated. Let’s take an example of a standard 152 x 89 x 16 kg/m Universal beam, commonly known as UB 152x89x16, where the first number represents the depth in mm, the second number represents the width in mm, and the third number represents the weight of the beam in kg per meter.

The weight-per-meter of UB 152x89x16 beam can be calculated as follows:

Weight-per-meter = Cross-sectional Area x Density

= (0.152m x 0.089m) x 16kg/m

= 0.021856m2 x 16kg/m

= 0.349696kg/m

Therefore, the weight of the 3m RSJ would be:

Weight = (3m x 0.349696kg/m)

= 1.049088kg

Hence, the estimated weight of a 3m RSJ UB 152x89x16 beam would be approximately 1.05 tonnes.

It is important to note that the weight of a 3m RSJ may vary depending on the manufacturer and the specific dimensions of the beam. It is always advisable to consult the manufacturer’s specifications for accurate weight information.

In conclusion, the weight of a 3m RSJ will vary depending on its size and profile, but as a general estimate, it can be calculated using the weight-per-meter calculation method. It is crucial to consider the weight of the beam in construction projects to ensure proper structural design and safe installation.

## How much does a 4m RSJ weigh

A 4m RSJ, also known as a rolled steel joist, is commonly used in construction as a horizontal beam that supports the weight of a load-bearing wall or the floor above. The weight of a 4m RSJ can vary depending on several factors such as the type of steel used, the dimensions of the joist, and the manufacturer. However, there are some general guidelines that can give an estimate of how much a 4m RSJ typically weighs.

Firstly, the thickness of the RSJ plays a significant role in determining its weight. The most common thickness of a 4m RSJ is 203mm, which is equivalent to approximately 8 inches. The weight of a 203mm RSJ can range from 35kg to 59kg per meter, depending on the type of steel used. Therefore, a standard 4m 203mm RSJ can weigh anywhere between 140kg to 236kg.

Another crucial factor to consider is the type of steel used in the construction of the RSJ. The most commonly used type of steel for RSJs is mild steel or structural steel. Mild steel has a lower carbon content and is less dense than structural steel, which contains a higher percentage of carbon. As a result, mild steel RSJs tend to weigh less than structural steel RSJs.

Moreover, the dimensions of the RSJ can also affect its weight. The length, width, and height of the joist can vary depending on the specific requirements of a construction project. However, a standard 4m RSJ usually has a width of 102mm and a height ranging from 152mm to 203mm. The weight of the joist increases with its height, so a 152mm high RSJ will weigh less than a 203mm high RSJ.

Lastly, the manufacturer of the RSJ can also influence its weight. Different manufacturers may use different types of steel and have varying production processes, which can result in slight variations in the weight of the RSJ.

In summary, a 4m RSJ typically weighs between 140kg to 236kg, depending on the thickness, type of steel, dimensions, and manufacturer. It is essential to take into consideration all these factors when calculating the weight of a 4m RSJ for a construction project to ensure safety and proper installation.

## How much does a 5m RSJ weigh

A 5m RSJ (rolled steel joist) is a common structural element used in construction projects, particularly in buildings and bridges. The weight of a 5m RSJ is dependent on several factors, such as the material used, the cross-sectional shape, and the dimensions of the joist.

However, as a general estimate, a 5m RSJ made of mild steel with a cross-sectional area of 100x50mm and a thickness of 6mm would weigh approximately 47.1 kg. This weight would increase if the material used is a higher grade of steel, such as stainless steel or structural steel, which have different densities.

The weight of a 5m RSJ is also affected by the dimensions of the joist. For instance, a 5m RSJ with a larger cross-sectional area or thickness would weigh more than one with smaller dimensions. Similarly, a longer RSJ, such as a 7m or 10m one, would weigh more compared to a 5m RSJ.

It is essential to note that the weight of a 5m RSJ is significant to consider in construction projects. Engineers and contractors must accurately calculate the weight to ensure the structural integrity and stability of the building or bridge. This is especially crucial when dealing with multiple RSJs that will need to be lifted and placed by cranes during construction.

In conclusion, the weight of a 5m RSJ can vary depending on the material, dimensions, and shape of the joist. A rough estimate of 47.1 kg can be used for a 5m mild steel RSJ with a 100x50mm cross-section and a thickness of 6mm. However, it is essential to calculate the precise weight for each project to ensure safety and efficiency during construction.

## How much does a 6m RSJ weigh

A 6m RSJ (Rolled Steel Joist) is a common structural element used in construction to support heavy loads over long spans. It is made of steel and is designed to be strong and durable.

The weight of a 6m RSJ can vary depending on the type and size of the RSJ. However, as a general guide, a 6m RSJ can weigh approximately 500-600kg. This weight is distributed evenly throughout the length of the RSJ, making it a heavy and sturdy structural member.

The weight of a 6m RSJ is an important factor to consider when designing a building or structure. It is crucial for engineers to accurately calculate the weight of the RSJ and ensure that the supporting columns, walls, and foundations can withstand this load without any structural or safety issues.

In addition to the weight of the RSJ itself, other factors such as the weight of the material being supported by the RSJ and the weight of any additional equipment or machinery that may be attached to it should also be taken into account.

To determine the exact weight of a 6m RSJ, engineers use various formulas and calculation methods based on the type and size of the RSJ, the material properties, and the specific requirements of the project.

In conclusion, a 6m RSJ can weigh approximately 500-600kg and its weight is an important consideration in the design and construction process. Proper calculations and planning ensure that the RSJ can effectively support the load and ensure the structural integrity of the building or structure.

## How much does a 7m RSJ weigh

A 7m RSJ (Rolled Steel Joist) is a type of structural beam commonly used in construction projects to support heavy loads or span large distances without the need for intermediate columns or supports. RSJs are made of steel and are available in various sizes and shapes to cater to different structural design requirements.

When it comes to the weight of a 7m RSJ, it can vary based on several factors such as the type of steel used, the section and size of the beam, and the specific building regulations and standards in the country where it is being used. Generally, the weight of a 7m RSJ can range from 400 to 600 kilograms (880 to 1320 pounds).

The material used to make the RSJ greatly impacts its weight. For instance, a 7m RSJ made of mild steel (commonly used in construction) would weigh between 480 to 650 kilograms (1058 to 1433 pounds) depending on the design and section size chosen. On the other hand, a stainless steel or aluminum RSJ of the same dimensions could weigh anywhere from 300 to 400 kilograms (661 to 881 pounds) due to their lower density.

The section and size of the RSJ play a crucial role in determining its weight. The most commonly used section for a 7m RSJ is the ‘I-section’, which resembles the letter ‘I’. The weight of an I-beam depends on its depth, width, and thickness. A deeper beam would weigh more as it requires a larger amount of steel to achieve the desired strength and rigidity. Similarly, a thicker and wider beam would also weigh more. In general, a 7m RSJ with a 200x100mm I-section would weigh around 600 kilograms (1320 pounds) while a 200x90mm I-section would weigh approximately 480 kilograms (1058 pounds).

It is also essential to consider the building regulations and standards when determining the weight of a 7m RSJ. In some countries, the weight of an RSJ may vary due to different regulations and standards for steel structures. This could be due to the specific requirements for seismic zones or the inclusion of additional safety factors in the design process. Therefore, the weight of a 7m RSJ may differ across different countries and regions.

In conclusion, the weight of a 7m RSJ can range from 400 to 600 kilograms (880 to 1320 pounds) depending on factors such as the type of steel, section and size of the beam, and building regulations. It is crucial for civil engineers and construction professionals to carefully consider these factors when designing or selecting an RSJ to ensure the structural integrity and safety of a building.

## Conclusion

In conclusion, the selection of the appropriate RSJ steel beam size for a given span is crucial for the structural stability and safety of any building or structure. By considering factors such as span length, load-carrying capacity, and support conditions, it is possible to determine the most suitable RSJ steel beam size for a specific project. The RSJ steel beams discussed in this article, ranging from 3m to 10m spans, provide a wide range of options for various construction needs. It is essential to consult with a structural engineer or reputable supplier to ensure the correct size and type of RSJ steel beam is chosen for optimal results. With the right RSJ steel beam, a strong and durable structure can be achieved, providing peace of

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