Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of s355j2h steel pipe in China. Please feel free to buy high quality s355j2h steel pipe from our factory. Good service and reasonable price are available.
BASIC INFORMATION
Name: S355J2H STEEL PIPE
Type: CHS(Circular Hollow Section), RHS(Rectangular Hollow Section), SHS(Square Hollow Section)
Standard: EN 10210
Outside Diameter: CHS: 20*20 - 1200*1200mm Wall Thickness: 1.3-50mm
RHS: 20*20 - 1200*1500mm Wall Thickness: 1.2 - 50mm
ERW: 20-660mm Wall Thickness: 1.3 - 50mm
LSAW:406-1420mm Wall Thickness: 10 - 50mm
SSAW: 219-4084mm Wall Thickness: 7.75 - 25.4mm
Length: 5.8m, 6m, 12m or asyour required
Surface Treatment: hot dipped galvanized, oil painting, black vanish ,3PE,3LPE painting
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 | ||||||
| S355J2H | 0.22 | 0.22 | 0.55 | 1.60 | 0.035 | 0.035 | - |
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 | |
| S355J2H | 355 | 345 | 335 | 510-680 | 490-630 |
APPLICATION
In which industries is S355J2H commonly used?
1.Construction industry:
Construction industry: often used to manufacture frame structures and support systems for high-rise buildings, as well as the construction of Bridges, tunnels and other infrastructure. Its high strength and good toughness make it widely used in the structural frames of high-rise buildings such as beams, columns and floors.
2 Machinery manufacturing industry
It is suitable for the manufacture of various mechanical equipment and components, such as machine tools, pressure vessels, etc. Its excellent mechanical properties and corrosion resistance make the equipment more reliable and able to withstand higher working intensity and pressure.
3 Shipbuilding industry:
It can be used for the manufacture of structural components of ships to meet the requirements of material strength and toughness of ships.
4 petrochemical industry:
It is used to manufacture various petrochemical equipment, pipelines, such as reactors, heat exchangers, etc. Its excellent corrosion resistance and high temperature performance make the equipment can operate stably in high temperature, high pressure and corrosive environment.
5 Power industry:
It can be used to manufacture power station equipment, etc., to meet the requirements of power equipment for material performance.
6 Automobile manufacturing industry:
It can be used to manufacture certain structural components of automobiles, such as frames, etc., to improve the structural strength and safety of automobiles.
7 Offshore oil platform construction:
S355J2H steel pipe has good processability and low temperature performance, and can be used for the construction of offshore oil platforms.
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