阀门用低温钢铸件技术条件、铸件的化学成分(质量分数)
名 称 |
材 料 牌 号 |
主要化学元素a (%) |
|||||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Cu | V | ||
碳钢 | LCA | ≤0.25b | ≤0.60 | ≤0.70b | 0.040 | ≤0.045 | ≤0.50c | ≤0.50c | ≤0.20 | ≤0.30c | ≤0.30c |
LCB | ≤0.30b | ≤1.00b | ≤0.20c | ||||||||
碳锰钢 | LCC | ≤0.25b | ≤1.20b | ||||||||
碳钼钢 | LC1 | ≤0.25 | 0.50~0.80 | — | — | 0.45~0.65 | — | — | |||
2.5%镍钢 | LC2 | 2.00~3.00 | — | — | — | — | |||||
镍铬钼钢 | LC2-1 | ≤0.22 | ≤0.50 | 0.55~0.75 | 2.50~3.50 | 1.35~1.85 | 0.30~0.60 | — | — | ||
3.5%镍钢 | LC3 | ≤0.15 | ≤0.60 | 0.50~0.80 | 3.00~4.00 | — | — | — | — | ||
4.5%镍钢 | LC4 | 4.00~5.00 | — | — | — | — | |||||
9%镍钢 | LC9 | 0.13 | 0.45 | 0.90 | — | — | 8.50~10.00 | 0.50 | 0.20 | 0.30 | 0.03 |
12.5% 铬镍钼钢 |
CA6NM | 0.06 | 1.00 | 1.00 | 0.030 | 3.50~4.50 | 11.50~14.00 | 0.40~1.00 | — | — | |
奥氏体 不锈钢 |
ZG03Cr18Ni10 | 0.03 | 1.50 | 0.80~2.00 | 8.00~12.00 | 17.00~20.00 | — | — | — | ||
ZG08Cr18Ni9 | 0.08 | 8.00~11.00 | — | — | — | ||||||
ZG12Cr18Ni9 | 0.12 | 0.045 | — | — | — | ||||||
ZG08Cr18Ni9Ti | 0.08 | 0.040 | — | — |
Ti5 (C- 0.02)~ 0.7 |
||||||
ZG12Cr18Ni9Ti | 0.12 | 0.045 | — | — | |||||||
ZG08Cr18Ni12Mo2Ti | 0.08 | 0.040 | 11.00~13.00 | 16.00~19.00 | 2.00~3.00 | — | |||||
ZG12Cr18Ni12Mo2Ti | 0.12 | 0.045 | — | ||||||||
CF3 | 0.03 | 2.00 | 1.50 | 0.040 | 0.040 | 8.00~12.00 | 17.00~21.00 | — | — | — | |
CF8 | 0.08 | 8.00~11.00 | 18.00~21.00 | — | — | — | |||||
CF3M | 0.03 | 1.50 | 9.00~13.00 | 17.00~21.00 | — | — | — | ||||
CF8M | 0.08 | 9.00~12.00 | 18.00~21.00 | — | — | — | |||||
CF3C | 2.00 | — | — |
NbC*8~ 1.0 |
|||||||
a 除给出范围外均为最大值。 b 在规定的碳含量最大值内,每降低0.01%,将允许锰含量的最大值增加0.04%,LCA的最大值含锰量为1.10%,LCB的最大值含锰量为1.28%,LCC的最大值含锰量为1.40%。 c 规定的微量元素,这些元素的总含量为1.00%(最大值)。 |
This region has not yet joined our new website. You will now continue to the existing site for 网站名称