通过中商114 
|
钢材级别 |
屈服点 |
抗拉强度 |
伸长率σ% |
碳 |
锰 |
硅 |
硫 |
磷 |
|
不小于 |
σb(MPa) |
不小于 |
C |
Mn |
Si |
S |
P |
|
|
A |
235 |
400-520 |
22 |
≤0.21 |
≥2.5C |
≤0.5 |
≤0.035 |
≤0.035 |
|
B |
≤0.21 |
≥0.80 |
≤0.35 |
|
|
|
|
|
|
D |
≤0.21 |
≥0.60 |
≤0.35 |
|
|
|
|
|
|
E |
≤0.18 |
≥0.70 |
≤0.35 |
|
|
|
|
【高强度船体结构钢力学性能与化学成份】
|
钢材级别 |
屈服点σs |
抗拉强度 |
伸长率σ% |
碳 |
锰 |
硅 |
硫 |
磷 |
|
(MPa)不小于 |
σb(MPa) |
不小于 |
C |
Mn |
Si |
S |
0P |
|
|
A32 |
315 |
440-570 |
22 |
≤0.18 |
≥0.9-1.60 |
≤0.50 |
≤0.035 |
≤0.035 |
|
D32 |
|
|
|
|
|
|
|
|
|
E32 |
|
|
|
|
|
|
|
|
|
F32 |
≤0.16 |
≤0.025 |
≤0.025 |
|
|
|
|
|
|
A36 |
355 |
490-630 |
21 |
≤0.18 |
≤0.035 |
≤0.035 |
|
|
|
D36 |
|
|
|
|
|
|
|
|
|
E36 |
|
|
|
|
|
|
|
|
|
F36 |
≤0.16 |
≤0.025 |
≤0.025 |
|
|
|
|
|
|
A40 |
390 |
510-660 |
20 |
≤0.18 |
≤0.035 |
≤0.035 |
|
|
|
D40 |
|
|
|
|
|
|
|
|
|
E40 |
|
|
|
|
|
|
|
|
|
|
≤0.16 |
≤0.025 |
≤0.025 |
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