国内阀门材料常用技术标准 压力容器用不锈钢锻件、锻件用钢的化学成分
类 型 | 钢 号 | 化 学 成 分 , % | ||||||||
C | Si | Mn | Cr | Ni | Mo | Ti | P | S | ||
铁素体型 | 0Cr13 |
≤ 0.08 |
≤ 1.00 |
≤ 1.00 |
11.50~13.50 | ≤0.60 |
≤ 0.035 |
≤ 0.030 |
||
奥氏体型 | 0Cr18Ni9 |
≤ 0.07 |
≤ 1.00 |
≤ 1.00 |
17.00~19.00 | 8.00~11.00 |
≤ 0.035 |
≤ 0.030 |
||
00Cr19Ni10 |
≤ 0.03 |
≤ 1.00 |
≤ 2.00 |
18.00~20.00 | 8.00~12.00 |
≤ 0.035 |
≤ 0.030 |
|||
0Cr17Ni12Mo2 |
≤ 0.08 |
≤ 1.00 |
≤ 2.00 |
16.00~18.00 | 10.00~14.00 |
2.00~ 3.00 |
≤ 0.035 |
≤ 0.030 |
||
00Cr17Ni14Mo2 |
≤ 0.03 |
≤ 1.00 |
≤ 2.00 |
16.00~18.00 | 12.00~15.00 |
2.00~ 3.00 |
≤ 0.035 |
≤ 0.030 |
||
1Cr18Ni9Ti |
≤ 0.12 |
≤ 1.00 |
≤ 2.00 |
17.00~19.00 | 8.00~11.00 |
5(C%- 0.02〕~0.80 |
≤ 0.035 |
≤ 0.030 |
||
0Cr18Ni10Ti |
≤ 0.08 |
≤ 1.00 |
≤ 2.00 |
17.00~19.00 | 9.00~12.00 | ≥5×C% |
≤ 0.035 |
≤ 0.030 |
||
0Cr18Ni12Mo2Ti |
≤ 0.08 |
≤ 1.00 |
≤ 2.00 |
16.00~19.00 | 11.00~14.00 |
1.80~ 2.50 |
≥5×C% ~0.70 |
≤ 0.035 |
≤ 0.030 |
|
奥氏体- 铁素体型 |
00Cr18Ni5Mo3Si2 | ≤0.03 |
1.30~ 2.00 |
1.00~ 2.00 |
18.00~19.50 | 4.50~5.50 |
2.50~ 3.00 |
≤ 0.030 |
≤ 0.020 |
|
注 1 1Cr18Ni9Ti 钢不推荐使用。 2 00Cr18Ni5Mo3Si2 钢中 N≤0.10%。 |
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