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鋼級 Standard |
牌號 Steel Grade |
化學成分Chemical Composition（%） |
||||
|
C |
Si |
Mn |
P |
S |
||
|
JIS G3445 |
STKM11A |
≤0.12 |
≤0.35 |
≤0.60 |
≤0.04 |
≤0.04 |
|
STKM12A |
≤0.20 |
≤0.35 |
≤0.60 |
≤0.04 |
≤0.04 |
|
|
STKM11B |
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|
STKM11C |
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|
STKM13A |
≤0.25 |
≤0.35 |
0.30~0.90 |
≤0.04 |
≤0.04 |
|
|
STKM13B |
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|
STKM13C |
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|
STKM14A |
≤0.30 |
≤0.35 |
0.30~1.00 |
≤0.04 |
≤0.04 |
|
|
STKM14B |
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|
STKM14C |
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