

GB713-2014 Q345R力学性能:
钢板厚度mm | 抗拉强度Rm | 屈服强度Re | 伸长率A% | 温度 | 冲击功KV2/J | 弯曲试验180°b=2a |
>3-16 | 510-640Mpa | ≥345Mpa | 21 | 0°C,-20°C | 41 KV2/J | d=2a |
>16-36 | 500-630Mpa | ≥325Mpa | 21 | 0°C,-20°C | 41 KV2/J | d=3a |
>36-60 | 490-620Mpa | ≥315Mpa | 21 | 0°C,-20°C | 41 KV2/J | d=3a |
>60-100 | 390-510Mpa | ≥305Mpa | 20 | 0°C,-20°C | 41 KV2/J | d=3a |
>100-150 | 480-610Mpa | ≥285Mpa | 20 | 0°C,-20°C | 41 KV2/J | d=3a |
>150-200 | 470~600Mpa | ≥265Mpa | 20 | 0°C,-20°C | 41 KV2/J | d=3a |
标准 | GB713-2014 | EN10028-2:2009 | ASME(2013) | IS08328-2:2011附录A(欧洲) | IS08328-2:2011附录B(美、日) |
钢号 | Q345R | P355GH | SA516Gr.70 | P355GH | PT480GH |
P % | ≤0.025 | ≤0.025 | ≤0.035 | ≤0.025 | ≤0.025 |
S | ≤0.010 | ≤0.010 | ≤0.035 | ≤0.010 | ≤0.025 |
KV2/J | 0°C,≥41-20°C,≥41 | 0°C,≥34-20°C,≥27 | 系附加要求 | 0°C,≥34-20°C,≥27 | 双方协商 |
可协商40J | 可协商40J |
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