国外阀门材料常用技术标准 低温用合金钢与不锈钢栓接材料、毛坯零件所推荐的试验温度
牌号 | 试验温度 | |
° F | ° C | |
L7M、L70、L71、L72、L73 | -100 | -73 |
L7、L7A、L7B、L7C | -150 | -101 |
L43 | -150 | -101 |
L1 | -100 | -73 |
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