牌 号 [size=10.5000pt] | 化学成分(质量分数)% | |||||||||
[size=10.5000pt]C | [size=10.5000pt]Si | [size=10.5000pt]Mn | [size=10.5000pt]P | [size=10.5000pt]S | [size=10.5000pt]Ni | [size=10.5000pt]Cr | [size=10.5000pt]Mo | [size=10.5000pt]V | [size=10.5000pt]Pcm | |
07MnCrMoVR | [size=10.5000pt]≤0.09 | [size=10.5000pt]0.15~0.40 | [size=10.5000pt]1.2~1.6 | [size=10.5000pt]≤0.025 | [size=10.5000pt]≤0.01 | [size=10.5000pt]≤0.40 | [size=10.5000pt]0.10~0.30 | [size=10.5000pt]0.10~0.30 | [size=10.5000pt]0.02~0.06 | [size=10.5000pt]≤0.20 |
牌 号 | [size=10.5000pt]拉伸试验 | [size=10.5000pt]冲击试验(横向) | [size=10.5000pt]冷弯实验 | |||
as/M[size=10.5000pt]Pa | as/M[size=10.5000pt]Pa | [size=10.5000pt]a5[size=10.5000pt]/% | [size=10.5000pt]温度/℃ | [size=10.5000pt]AKV/J | b=2[size=10.5000pt]a,180 | |
07MnCrMoVR | [size=10.5000pt]≥490 | [size=10.5000pt]610~730 | [size=10.5000pt]≥17 | [size=10.5000pt]-20 | [size=10.5000pt]≥47 | [size=10.5000pt]d=3a |
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