国外阀门材料常用技术标准 低温用承压件铁素体和马氏体钢铸件
| 牌号 | 通常的最低试验温度°F[℃] |
| LCA | -25[-32] |
| LCB | -50[-46] |
| LCC | -50[-46] |
| LC1 | -75[-59] |
| LC2 | -100[-73] |
| LC2-1 | -100[-73] |
| LC3 | -150[-101] |
| LC4 | -175[-115] |
| LC9 | -320[-196] |
| CA6NM | -100[-73] |
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