X2CrMoTi 18-2 德国压力容器用不锈钢板
序号指标范围值单位说明
1 | 关系式 | Ti=4(C+N)+0.15,0.80 * | | Ti可以部分被Nb或Zr代替,Ti相当于7/4 Nb或7/4 Zr |
2 | Si ( Si ) | ≤ 1 | % | |
3 | Mn ( Mn ) | ≤ 1 | % | |
4 | Cr ( Cr ) | 17 ~ 20 | % | |
5 | Mo ( mo ) | 1.8 ~ 2.5 | % | |
6 | Ni ( Ni ) | - | % | |
7 | N ( N ) | ≤ 0.03 | % | |
8 | C ( C ) | ≤ 0.025 | % | |
9 | S ( S ) | ≤ 0.015 | % | |
10 | P ( P ) | ≤ 0.04 | % | |
序号指标范围值单位说明
1 | W-Nr材料号 | 1.4521 | | |
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