类别 | 热处理 | ≤厚度(mm) |
A517GrA,A517GrB | 淬火加回火 | 32 |
A517GrH,A517GrS | 淬火加回火 | 50 |
A517GrP | 淬火加回火 | 100 |
A517GrF | 淬火加回火 | 65 |
A517GrE,A517GrQ | 淬火加回火 | 150 |
元素 | A517GrA | A517GrB | A517GrE | A517GrF | A517GrH | A517GrP | A517GrQ | A517GrS |
C | 0.15-0.21 | 0.15-0.21 | 0.12-0.2 | 0.1-0.2 | 0.12-0.21 | 0.12-0.21 | 0.14-0.21 | 0.1-0.2 |
Mn | 0.8-1.1 | 0.7-1.0 | 0.4-0.7 | 0.6-1.0 | 0.95-1.3 | 0.45-0.7 | 0.95-1.3 | 1.1-1.5 |
P | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤0.035 | ≤0.035 |
S | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 |
Si | 0.4-0.8 | 0.15-0.35 | 0.1-0.4 | 0.15-0.35 | 0.15-0.35 | 0.2-0.35 | 0.15-0.35 | 0.15-0.4 |
Ni | - | - | - | 0.7-1.0 | 0.3-0.7 | 1.2-1.5 | 1.2-1.5 | - |
Cr | 0.5-0.8 | 0.4-0.65 | 1.4-2.0 | 0.4-0.65 | 0.4-0.65 | 0.85-1.2 | 1.0-1.5 | - |
Mo | 0.18-0.28 | 0.15-0.25 | 0.4-0.6 | 0.4-0.6 | 0.2-0.3 | 0.45-0.6 | 0.4-0.6 | 0.1-0.35 |
B | ≤ 0.00255 | 0.0005-0.005 | 0.001-0.005 | 0.0005-0.006 | ≥0.0005 | 0.001-0.005 | - | - |
V | - | 0.03-0.08 | - | 0.03-0.08 | 0.03-0.08 | - | 0.03-0.08 | - |
Ti | - | 0.01-0.04 | 0.01-0.10 | - | - | - | - | 0.06 |
Zr | 0.05-0.15 | - | - | - | - | - | - | - |
Cu | - | - | - | 0.15-0.5 | - | - | - | - |
Nb | - | - | - | - | - | - | - | 0.06 |
厚度(mm) | 抗拉强度,ksi(MPa) | 屈服强度(最小)ksi(MPa) | 2in.(50mm)的伸长率(最小)%в | 断面收缩率 |
≤65 | 115-135(795-930) | 100(690) | 16 | 45 |
>65-150 | 105-135(725-930) | 90(620) |
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