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Basic Information
Standard: EN 10210
Steel Grade: S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S355K2H
Manufacturing Method: ERW (Resistance welding), SMLS (seamless), LSAW (Longitudinally Submerged Arc Welding)
Shape: Rectangular, Square, Circle
Specification:
Rectangular pipe: size: 20*30-1500*1000mm wall thickness: 1.2-50mm
Square pipe: size: 20*20-1200*1200mm wall thickness: 1.3-50mm
Circle pipe: size: 1/2 - 24 inch wall thickness: 5-50mm
Length: 6m / 12m, also depend on requirements
Pipe End: flat end/ chamfer end/ groove/ thread
Coating: Black/ varnish/ 3PE/ galvanized/ fused epoxy coating
EN 10210 is a European harmonized standard for the technical delivery conditions of hollow profiles for thermoformed structures, including round, square and rectangular cross sections, both welded and seamless.
Chemical composition
| Unalloyed hollow section steel for steel structure | |||||||
| Analyze the melting chemical composition of products with thickness ≤65mm | |||||||
| GRADE | COMPOSITION % MAX | ||||||
| C | Si | Mn | P | S | N | ||
| Nominal thickness≤40mm | 40mm＜Nominal thickness≤65mm | ||||||
| S275J2H | 0.20 | 0.22 | - | 1.50 | 0.035 | 0.035 | - |
- Carbon (C) : Carbon is the main element that determines the strength and hardness of steel.
- Silicon (Si) : Silicon is mainly used as a deoxidizer in steel, which helps to improve the strength and hardness of steel.
- Manganese (Mn) : Manganese is an important element to improve the strength and hardness of steel, and also helps to eliminate the adverse effects of sulfur.
- Phosphorus (P) and sulfur (S) : Phosphorus and sulfur are harmful elements in steel, which will reduce the plasticity and toughness of steel. The EN10210 standard imposes strict limits on the content of these two elements.
- Nitrogen (N) : Nitrogen in steel may lead to aging phenomenon, affecting the performance of steel.
Physical requirement
| Mechanical properties of unalloyed steels | |||||
| GRADE | Yield strength | Tensile strength | |||
| Nominal thickness≤16 | 16＜Nominal thickness≤40 | 40＜Nominal thickness≤65 | Nominal thickness＜3 | 3≤Nominal thickness≤65 | |
| S275J2H | 275 | 265 | 255 | 430-580 | 410-560 |
introduction
Yield Strength
Yield Strength is the maximum stress that a material can withstand before it becomes plastic. For metal materials, yield strength is an important mechanical property index, which marks the limit of material transformation from elastic deformation to plastic deformation.
On a stress-strain curve, the yield strength usually corresponds to a specific point on the curve, the yield point. For many metals, the yield point is a distinct feature that appears as an inflection point or plateau on a curve. At this point, the material begins to undergo plastic deformation, and the deformation continues even though the stress is no longer increasing.
Tensile Strength
Tensile Strength is the amount of stress a material is subjected to during a tensile test. It is an important mechanical property index to measure the resistance to tensile fracture of materials.
When a tensile test is performed, the material sample is stretched until it breaks. The tensile strength usually corresponds to the highest point on the stress-strain curve, indicating the maximum stress a material can withstand before breaking. When the tensile strength is reached, the material will break or be destroyed.
More Informaiton
What are the uses of EN 10210 S275J2H HOLLOW SECTION in the building?
1. Building structure:
- Due to the high strength and excellent formability of EN 10210 HOLLOW SECTION, it is an ideal material for use in building structures such as Bridges, houses, stairs, platforms, etc.
2. Mechanical manufacturing:
- EN 10210 HOLLOW SECTION can be used to manufacture various machinery, such as conveyor belts, sleeves, hydraulic cylinders, etc.
3. Lifting equipment:
- Widely used in lifting equipment, such as lifting devices, cranes, loaders, etc.
4. Pipeline system:
- Piping systems for liquid and gas transport. The hollow section design makes it ideal for pipes and piping systems.
5. Agriculture:
- In the agricultural industry, EN 10210 HOLLOW SECTION can be used for a variety of applications, such as the construction of greenhouse frames or as a support for irrigation systems.
6. Automobile Industry:
- For the manufacture of automotive frames, chassis and other components.
7. Furniture:
- As a structural element of furniture, especially in modern design, to create stylish and stylized pieces.
What are the environmental benefits of using EN 10210 S275J2H HOLLOW SECTION?
1. Durability and long life:
- EN 10210 S275J2H HOLLOW sections are made of non-alloyed and fine-grained steel to ensure their strength and durability. This durability means that the product can last longer and be replaced less frequently, thus reducing resource consumption and waste generation.
2. Recyclability:
- Steel is a recyclable material and the use of EN 10210 S275J2H HOLLOW SECTION helps to increase the recovery rate of materials in construction and engineering projects, reducing the need for new raw materials.
3. Surface coating:
- These hollow sections can be provided with different surface coatings to enhance durability and service life. Proper coatings can reduce corrosion and maintenance requirements, thereby reducing environmental impact.
4. Reduce material waste:
- Due to the high strength and good formability of EN 10210 S275J2H HOLLOW SECTION, it can be used to manufacture various structural components, reducing material waste and improving material utilization.
These environmental advantages make EN 10210 S275J2H HOLLOW SECTION a sustainable and environmentally friendly building material choice.
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