成分数值均为最大值 | |||||||||||
化学成分 | C | Si | Mn | P | S | Al | Ti | Cu | Ni | Cr | Mo |
AS3678-250 | 0.22 | 0.55 | 1.7 | 0.04 | 0.03 | 0.1 | 0.04 | 0.4 | 0.5 | 0.8 | 0.1 |
AS3678-300 | 0.22 | 0.55 | 1.7 | 0.04 | 0.03 | 0.1 | 0.04 | 0.4 | 0.5 | 0.3 | 0.1 |
AS3678-350 | 0.22 | 0.55 | 1.7 | 0.04 | 0.03 | 0.1 | 0.04 | 0.4 | 0.5 | 0.3 | 0.35 |
AS3678-400 | 0.22 | 0.55 | 1.7 | 0.04 | 0.03 | 0.1 | 0.04 | 0.4 | 0.5 | 0.3 | 0.35 |
AS3678-450 | 0.22 | 0.55 | 1.7 | 0.04 | 0.03 | 0.1 | 0.04 | 0.4 | 0.5 | 0.3 | 0.35 |
牌号 | 不同厚度(mm)对应的屈服强度(MPa) | 抗拉强度(MPa) | 伸长率A% | ||||||
≤8 | 8-12 | 12-20 | 20-32 | 32-50 | 50-80 | 80-150 | |||
AS3678-250 | 280 | 260 | 250 | 250 | 250 | 240 | 240 | 410 | 22 |
AS3678-300 | 320 | 310 | 300 | 280 | 280 | 270 | 260 | 430 | 21 |
AS3678-350 | 360 | 360 | 350 | 340 | 340 | 340 | 330 | 450 | 20 |
AS3678-400 | 400 | 400 | 380 | 360 | 360 | 360 | - | 480 | 18 |
AS3678-450 | 450 | 450 | 450 | 420 | 400 | - | - | 520 | 16 |
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