ASTM A312 / A312M - 19 Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
- OD: NPS 1/8" to 30"
- WT: SCH 5S, 10S, 40S, 80S
- Length: 5.8M, 6M, 11.8M, 12M, or any other economical length
- Manufacturing Process: Seamless and Welded.
- Grade: TP304, TP304L, TP316, TP316L, TP309S, TP310S, TP317, TP317L, TP321, TP347, TP348, 904L
- 6% Mo (UNS S31254, UNS N08367, UNS N08926), 7% Mo (UNS S32654),
- 4% Si (UNS S30600), 5% Si (UNS S30601), 5% Si (UNS S32615), 6% Si (UNS S38815)
|
Table 1 con't Nominal composition of nickel-containing alloys most are used in sulphuric acid systems |
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Nominal composition, % |
ASTM Spec. b |
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|
Alloy |
UNS numbera |
Ni |
C |
Cr |
Mo |
Cu |
Fe |
Plate |
Seamless tube and pipe |
|
Austenitic stainless steels |
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|
304 |
S30400 |
8 |
0.04 |
18 |
- |
- |
Bal |
A240 |
A312 |
|
304L |
S30403 |
8 |
0.02 |
18 |
- |
- |
Bal |
A240 |
A312 |
|
316 |
S31600 |
10 |
0.04 |
16.5 |
2.1 |
- |
Bal |
A240 |
A312 |
|
316L |
S31603 |
10 |
0.02 |
16.5 |
2.1 |
- |
Bal |
A240 |
A312 |
|
CF8M |
J92900 |
10 |
0.04 |
19 |
2.3 |
- |
Bal |
- |
- |
|
310 |
S31000 |
21 |
0.05 |
25 |
- |
- |
Bal |
A240 |
A312 |
|
20 |
N08020 |
33 |
0.02 |
19.5 |
2.2 |
3.2 |
Bal |
A240 |
B729 |
|
CN7M |
N08007 |
29 |
0.04 |
20 |
2.3 |
3.5 |
Bal |
- |
- |
|
904L |
N08904 |
24 |
0.01 |
20 |
4.5 |
1.5 |
Bal |
A240 |
A312 |
|
6%Moc |
S31254 |
18 |
0.01 |
20 |
6.2 |
0.7 |
Bal |
A240 |
A312 |
|
6%Moc |
N08367 |
24 |
0.01 |
21 |
6.2 |
- |
Bal |
A240 |
A312 |
|
6%Moc |
N08926 |
25 |
0.01 |
20.5 |
6.2 |
1 |
Bal |
A240 |
A312 |
|
7%Mo |
S32654 |
22 |
0.01 |
24 |
7.3 |
0.5 |
Bal |
A240 |
A312 |
|
4% Sid |
S30600 |
15 |
0.01 |
17.5 |
0.1 |
0.3 |
Bal |
A240 |
A312 |
|
5% Sid |
S30601 |
17.5 |
0.01 |
17.5 |
0.1 |
0.2 |
Bal |
A240 |
A312 |
|
5% Sid |
S32615 |
20 |
0.04 |
18 |
1 |
2 |
Bal |
A240 |
A312 |
|
6% Sid |
S38815 |
15 |
0.02 |
14 |
1 |
1 |
Bal |
A240 |
A312 |
|
Duplex stainless steel |
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|
2205 |
S32205 |
5 |
0.02 |
22 |
3.2 |
- |
Bal |
A240 |
A790 |
|
255 |
S32550 |
5.5 |
0.02 |
25 |
3.5 |
2 |
Bal |
A240 |
A790 |
|
7-Mo Plus |
S32950 |
4 |
0.03 |
27.5 |
2 |
- |
Bal |
A240 |
A790 |
|
CD4MCu |
J93370 |
5 |
0.2 |
25 |
2 |
3 |
Bal |
- |
- |
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