直销Q390低合金高强度结构钢
- 供应商
- 上海沪岩金属材料有限公司
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- 86-02151191657
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- 更新时间
- 2013-11-23 08:11
等级 | c | mn | si | p | s | v | nb | ti | al | cr | ni |
a | ≤0.20 | 1.00~1.60 | ≤0.55 | ≤0.045 | ≤0.045 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | - | ≤0.30 | ≤0.70 |
b | ≤0.20 | 1.00~1.60 | ≤0.55 | ≤0.040 | ≤0.040 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | - | ≤0.30 | ≤0.70 |
c | ≤0.20 | 1.00~1.60 | ≤0.55 | ≤0.035 | ≤0.035 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | ≥0.015 | ≤0.30 | ≤0.70 |
d | ≤0.20 | 1.00~1.60 | ≤0.55 | ≤0.030 | ≤0.030 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | ≥0.015 | ≤0.30 | ≤0.70 |
e | ≤0.20 | 1.00~1.60 | ≤0.55 | ≤0.025 | ≤0.025 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | ≥0.015 | ≤0.30 | ≤0.70 |
等级 | δ5/% |
a | ≥19 |
b | ≥19 |
c | ≥20 |
d | ≥20 |
e | ≥20 |
厚度(直径、边长)/mm | ≤16 | >16~35 | >35~50 | >50~100 |
σs/mpa | ≥390 | ≥370 | ≥350 | ≥330 |
等级¦温度 | +20℃ | 0℃ | -20℃ | -40℃ |
a | ||||
b | ≥34 | |||
c | ≥34 | |||
d | ≥34 | |||
e | ≥27 |
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