|
序号 |
牌 号 |
化 学 成 分 |
||||||||||
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
N |
其他 |
||
|
19 |
1Cr18Ni12Mo3Ti2) |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00~14.00 |
16.00~19.00 |
2.50~3.50 |
— |
— |
Ti = 5×(C% - 0.02)~0.08 |
|
20 |
0Cr18Ni12Mo3Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00~14.00 |
16.00~19.00 |
2.50~3.50 |
— |
— |
|
|
21 |
0Cr18Ni12Mo2Cu2 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
10.00~14.00 |
17.00~19.00 |
1.20~2.75 |
1.00~2.50 |
— |
— |
|
22 |
00Cr18Ni14Mo2Cu2 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
12.00~16.00 |
17.00~19.00 |
1.20~2.75 |
1.00~2.50 |
— |
— |
|
23 |
0Cr19Ni13Mo3 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00~15.00 |
18.00~20.00 |
3.00~4.00 |
— |
— |
— |
|
24 |
00Cr19Ni13Mo3 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00~15.00 |
18.00~20.00 |
3.00~4.00 |
— |
— |
— |
|
25 |
0Cr18Ni16Mo5 |
≤0.040 |
≤1.00 |
≤2.50 |
≤0.035 |
≤0.030 |
15.00~17.00 |
16.00~19.00 |
4.00~6.00 |
— |
— |
— |
|
26 |
1Cr18Ni9Ti2) |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00~11.00 |
17.00~19.00 |
— |
— |
— |
Ti=5(C%-0.02) ~0.08 |
|
27 |
0Cr18Ni10Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00~12.00 |
17.00~19.00 |
— |
— |
— |
Ti≥5×C% |
|
28 |
0Cr18Ni11Nb |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00~13.00 |
17.00~19.00 |
— |
— |
— |
Nb≥10×C% |
|
29 |
0Cr18Ni13Si41) |
≤0.08 |
3.00~5.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.50~15.00 |
15.00~20.00 |
— |
— |
— |
— |
注:1)0Cr18Ni13Si4如有必要,允许添加表列以外的合金元素。
2) 此牌号除专用外,一般情况下不推荐使用。
表3 奥氏体-铁素体型钢的化学成分 %
|
序 号 |
牌 号 |
化 学 成 分 |
||||||||
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
N |
||
|
30 |
0Cr26Ni5Mo21) |
≤0.08 |
≤1.00 |
≤1.50 |
≤0.035 |
≤0.030 |
3.00~6.00 |
23.00~28.00 |
1.00~3.00 |
— |
|
31 |
00Cr18Ni5Mo3Si2 |
≤0.03 |
1.30~2.00 |
1.00~2.00 |
≤0.030 |
≤0.030 |
4.5~5.5 |
18.0~19.5 |
2.5~3.0 |
≤0.10 |
注:1)如有必要,允许添加表列以外的合金元素。
表4 铁素体型钢的化学成分 %
|
序 号 |
牌 号 |
|
||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
N |
其他 |
||
|
32 |
0Cr13Al1) |
≤0.08 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
11.50~14.50 |
— |
— |
Al 0.10~0.30 |
|
33 |
00Cr121) |
≤0.030 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
11.00~13.50 |
— |
— |
— |
|
34 |
1Cr151) |
≤0.12 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
14.00~16.00 |
— |
— |
— |
|
35 |
1Cr171) |
≤0.12 |
≤0.75 |
≤1.00 |
≤0.035 |
≤0.030 |
16.00~18.00 |
— |
— |
— |
|
36 |
1Cr17Mo1) |
≤0.12 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
16.00~18.00 |
0.75~1.25 |
— |
— |
|
37 |
00Cr17Mo1) |
≤0.025 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
16.00~19.00 |
0.75~1.25 |
≤0.025 |
Ti、Nb、Zr及其和 8(C% + N%)~0.8 |
|
38 |
00Cr18Mo21) |
≤0.025 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
17.00~20.00 |
1.75~2.50 |
≤0.025 |
Ti、Nb、Zr及其和 8(C% + N%)~0.8 |
|
39 |
00Cr30Mo22) |
≤0.010 |
≤0.40 |
≤0.40 |
≤0.030 |
≤0.020 |
28.00~32.00 |
1.50~2.50 |
≤0.015 |
— |
|
40 |
00Cr27Mo2) |
≤0.010 |
≤0.40 |
≤0.40 |
≤0.030 |
≤0.020 |
25.00~27.50 |
0.75~1.50 |
≤0.015 |
— |
注:1)除00Cr30Mo2、00Cr27Mo以外,允许含有≤0.60%Ni。
2)00Cr30Mo2、00Cr27Mo,允许含≤0.50%Ni,≤0.20%Cu,并且Ni+Cu应≤0.50%。如有必要,允许添加表列以外的合金元素。

(来源:中国泵阀第一网)
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