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Chemical composition and content of several commonly used nickel-based alloys
2020/07/16 09:03
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[Abstract]：
Nickel base alloy
chemical composition
Ni
Fe
Cr
Mo
Cu
C
Si
Mn
N
316L
13.O
average value
17.0
2.25
0
≤0.03
≤1.0
1.8
0．02
317L
14.0
average value
19.0
3.25
0
≤0.O3
≤1.0
≤2.0
--
904L
25.0
47.0
20.0
4.5
1.5
≤0.02
0.35
1.7
-
317LM
15.5
average value
18
4
-
-
-
-
0.06
317LMN
14.0
average value
18
＞4.5
-
-
-
-
0.16
alloy 825
42.0
30
21
3．5
1.8
0.03
0.35
0．65
-
alloy G
45
20
22
6.5
2.0
0.03
0.35
1.3
-
Duplex stainless steel
5.5
average value
22
3
-
-
-
-
0.17
Super austenitic stainless steel
average value
21
6.5
-
-
-
-
-
0.22
Super duplex stainless steel
6.5
average value
21
-
1
-
-
-
0.22
alloy 625
61
average value
22
6.5
-
-
NO22
-
-
alloy C-276
56
average value
16
16
-
-
-
-
-
alloy C-22
59
-
22
13
-
-
-
-
-
1. 321 stainless steel grade: 1Cr18Ni9Ti; 321 stainless steel chemical composition% C: ≤0.08, Si ≤1.0, Mn: ≤2.0, Cr: 17.0～19.0, Ni: 9.0-13, S: ≤0.03, P: ≤0.045, Ti ≤5
2. 302 stainless steel grade: 1Cr18Ni9; 302 stainless steel chemical composition% C: ≤0.15, Si: ≤1.0, Mn: ≤2.0, Cr: 17-19, Ni: 8.0-10, S: ≤0.03, P: ≤0.045
3. 303 stainless steel grade: Y1Cr18Ni9; chemical composition% C: ≤0.15, Si: ≤1.0, Mn: ≤2.0, Cr: 17-19, Ni: 8.0-10, S: ≥0.15, P: ≤0.20, Mo≤ 6.0
4. 316 stainless steel grades: 0Cr17Ni12Mo2; chemical composition% C: ≤0.08 Si: ≤1.0 Mn: ≤2.0 Cr: 16.0～18.0 Ni: 10.0～14.0 S: ≤0.03 P: ≤0.045 Mo≤2.0-3.0
5. 316L stainless steel grade: 00Cr17Ni14Mo2; chemical composition% C: ≤0.03 Si: ≤1.0 Mn: ≤2.0 Cr: 16.0～18.0 Ni: 12.0～15.0 S: ≤0.03 P: ≤0.045 Mo: 2.0～3.0.
6. 310 stainless steel chemical composition% C: ≤0.25 Si: ≤1.5 Mn: ≤2.0 Cr: 24.0～26.0 Ni: 19.0～22.0 S: ≤0.03 P: ≤0.045
7. 310S stainless steel grade: 0Cr25Ni20/1Cr25Ni20Si2; 310S stainless steel chemical composition% C: ≤0.08 Si: ≤1.5 Mn: ≤2.0 Cr: 23.0～26.0 Ni: 19.0～22.0 S: ≤0.03 P: ≤0.045
8. 317L stainless steel grade: 0Cr19Ni13Mo3; 317L stainless steel chemical composition %: C≤ 0.02 N ≤0.14 Cr ≤17.8 Ni ≤12.7 Mo≤ 4.1
9. 309S stainless steel grade 0Cr23Ni13; 309S stainless steel chemical composition: C: ≤0.08, Si: ≤1.0, Mn: ≤2.0, Cr: 22-24, Ni: 12-15, S: ≤0.03, P: ≤0.045
10. 314 stainless steel grade 1Cr25ni20Si2; 314 stainless steel chemical composition %: C≤0.25, Si1.5-3.0, Mn≤2.00, P ≤0.04, S≤0.03, Ni: 19-22, Cr: 23-26
11. 321 stainless steel grade: 1Cr18Ni9Ti; 321 stainless steel chemical composition% C: ≤0.08, Si ≤1.0, Mn: ≤2.0, Cr: 17.0～19.0, Ni: 9.0-13, S: ≤0.03, P: ≤0.045, Ti ≤5
12, 840 can be replaced by 2520 in China, mainly due to the high nickel content and strong oxidation resistance; 840 stainless steel chemical composition %: C: ≤0.07, Si ≤1.5, Mn ≤2.0, Cr: 18.0～22.0, Ni ：18～23.0, S≤0.03, P0.045, Al: 0.35, Ti: 0.31
13, 630 stainless steel grades 0Cr17Ni4Cu4Nb/05Cr17Ni4Cu4Nb; 630 stainless steel chemical composition %: C≤0.07, Si≤1.00, Mn≤1.00, P ≤0.035, S≤0.030, Ni3.00-5.00, Cr15.5-17.5, Cu3.00 -5.00, Nb0.15-0.45
14, 631 stainless steel is also called 17-7PH stainless steel; 631 stainless steel chemical composition %: C ≤ 0.09, Si ≤ 1.00, Mn ≤ 1.00, P ≤ 0.04, S ≤ 0.030, Ni 6.5-8.5, Cr116-18, Al 0.75-1.5
15. 904L stainless steel grade: 00Cr20Ni25Mo4.5Cu; 904L stainless steel chemical composition% C≤0.03, Si≤1.00, Mn≤2.00, P≤0.035, S≤0.03, Ni: 23.0-28.0, Cr: 18.0-23.0, Mo: 5 -6, Cu: 1.0-2.0, N≤0.1