JIS G 3106 SM520B welded structural steel plates are mainly used in building, bridge, ships, automobile, pertroleum container and construction vehicles, etc. structure parts with high requirement of mechanical property and welding performance.
JIS G 3106 SM520B welded structural steel plates chemical composition and mechanical property:
Grade |
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Chemical composition % MAX |
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C |
Si |
Mn |
P |
S |
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TH |
≤50 |
>50≤200 |
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(MM) |
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SM520B |
|
0.2 |
0.2 |
0.55 |
1.6 |
0.035 |
0.035 |
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Mechanical properties MIN |
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Yield strength (N/MM2) |
Tensile strength (N/MM2) |
Elongation |
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% |
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|
TH |
≤16 |
>16-40 |
>40-75 |
>75-100 |
>100-160 |
>160-200 |
≤100 |
>100-200 |
≤15 |
>5-16 |
>16-50 |
>40 |
|
|
(MM) |
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|
|
365 |
355 |
335 |
325 |
~ |
~ |
520-640 |
~ |
19 |
15 |
19 |
21 |
|
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