Carbon structural JIS G3101 SS400 steel plate equivalent grade
- Material: Carbon and alloy steel
- Desprition: JIS G3101 SS400 steel plate is a kind of marking method of Japanese steel material and a judging standard, which is equivalent to Q235 steel (also known as A3 steel) in China. Structural steel in foreign standards is often classified according to tensile
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Product Description:
JIS G3101 SS400 steel plate is a kind of marking method of Japanese steel material and a judging standard, which is equivalent to Q235 steel (also known as A3 steel) in China. Structural steel in foreign standards is often classified according to tensile strength, such as SS400 (as marked in Japan), where 400 means the minimum value of σ B is 400MPa ultra-high strength steel, which means the JIS G3101 SS400 steel plate with σ B ≥ 1373 MPa.
JIS G3101 SS400 steel plate chemical composition
| Grade |
C |
Mn |
P |
S |
|
SS400 |
- |
- |
≤0.050 |
≤0.050 |
JIS G3101 SS400 steel plate mchanical properties
| Grade |
Yield point N/mm2 |
Tensile strength N/mm2 |
Elongation % |
||
|
SS400 |
t≤16 |
≥245 |
400-510 |
t≤5 |
≥26 |
|
16<t≤40 |
≥235 |
5<t≤16 |
≥21 |
||
|
40<t≤100 |
≥215 |
16<t≤50 |
≥26 |
||
|
t>100 |
≥205 |
t>40 |
≥23 |
||
The equivalent grade of JIS G3101 SS400 steel plate is grade Q235A steel plate. And the application of JIS G3101 SS400 steel plate is used to make steel bars or to build workshop frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc., and it is also widely used as mechanical parts with low performance requirements.
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