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JIS Ss400 Ss400+B H Beam
Widely used in buildings, bridges and other structural engineering. Good welding performance and plasticity
Description
JIS Ss400 Ss400+B H Beam,it is suitable for structures with medium strength and is usually used in structural components such as beams and columns to provide higher strength and stability.
JIS SS400 is a commonly used carbon structural steel under the Japanese Industrial Standard (JIS), which is widely used in construction, bridges, ships, machinery, automobiles and other structural engineering fields. Its chemical composition mainly includes carbon, silicon, manganese and other elements. It has good welding performance, plasticity and certain strength, and is suitable for general mechanical structures or building structures.
SS400+B is a further optimization of SS400 material, which usually refers to improving the performance of steel by adjusting its chemical composition or heat treatment process, especially in terms of weldability, plasticity and corrosion resistance, making it more suitable for engineering environments with higher requirements. The plus sign "B" often indicates that the steel has been improved or a specific standard requirement, which enhances its adaptability to certain applications.

H-beam is a structural steel with an "H"-shaped cross-section, which has excellent bending resistance and high load-bearing capacity. It is widely used in construction and bridge engineering, especially for structural components that need to bear large loads. The shape and size of H-beams are designed to distribute loads efficiently, so they are often used in beams, columns and supporting structures, which can greatly improve the stability and safety of buildings.
In summary, JIS SS400 and SS400+B H-beams are basic steel materials commonly used in buildings, bridges and other structural projects, with good strength, durability and processing performance.
Here is the parameter table in English for JIS Ss400 Ss400+B H Beam:
|
Parameter |
JIS SS400 |
JIS SS400+B |
H Beam |
|
Standard |
JIS G3101 |
JIS G3101 |
GB/T 11263-2017 or JIS G3192 |
|
Material Type |
Carbon structural steel |
Improved carbon structural steel |
Hot-rolled H section steel |
|
Chemical Composition |
C: ≤0.25%, Si: ≤0.30%, Mn: 0.60%-0.90% |
C: ≤0.25%, Si: ≤0.30%, Mn: 0.60%-0.90% |
Varies depending on steel grade |
|
Yield Strength (σs) |
≥ 245 MPa |
≥ 245 MPa |
Varies depending on steel grade and size |
|
Tensile Strength (σb) |
400-510 MPa |
400-510 MPa |
Varies depending on steel grade and size |
|
Elongation (δ) |
≥ 20% |
≥ 20% |
Varies depending on steel grade and size |
|
Hardness |
HB ≤ 183 |
HB ≤ 183 |
Varies depending on steel grade and size |
|
Weldability |
Good |
Good |
Good |
|
Workability |
Good |
Good |
Good |
|
Applications |
Construction, bridges, machinery, ships, etc. |
Construction, bridges, machinery, ships, etc. |
Supports, beams, columns in high-load structures |

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