ASTM A312 Stainless Steel Pipe
Description:
Type: Seamless Cold Drawn Tubes, Hot Finished Seamless Pipes, Welded Pipes
Specification: Seamless(OD: 10.3mm to 610mm), Welded(OD: 10.3mm to 914mm) Length: 0-12m.
Standard: ASTM A312 ASME SA312
Grades: TP304, TP304L, TP304H, TP321H, TP321, TP316, TP316L,
Thickness: SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S
Finish: No.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Seamless Pipes
What is the ASTM A312 Steel Pipe?
Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes,
STM A312 pipe is the general use stainless steel pipe applied in different industries. It covers diameters from 1/8” to 30” and thickness from SCH 10S to SCH 80S. Common use material grades are TP304, TP304L, TP304H, TP321H, TP321, TP316, TP316L.
The standard specifications include seamless, straight seam welded and heavily cold welded austenitic stainless steel tubing for high temperature and general corrosive service. There are several grades in this standard, and each steel grade shall confirm to the required chemical composition of C, Mn, P, S, Si, Cr and Cr, Ni, Mo, etc. All the pipes shall be furnished in the heat-treated condition in accordance with the required heat treating temperature and cooling/testing requirements. And also need to comply to the required tensile strength and yield strength.
Chemical Requirements for ASTM A312 Pipe
Grade
UNS
Composition, %B
Carbon
Manga-
Phos-
Sulfur
Silicon
Chromium
Nickel
Molyb-
. . .
S20400
0.030
7.0-9.0
0.045
0.030
1.00
15.0-17.0
1.50-3.00
. . .
TPXM-19
S20910
0.06
4.0-6.0
0.045
0.030
1.00
20.5–23.5
11.5–13.5
1.50–3.00
TPXM-10
S21900
0.08
8.0–10.0
0.045
0.030
1.00
19.0–21.5
5.5–7.5
. . .
TPXM-11
S21904
0.04
8.0–10.0
0.045
0.030
1.00
19.0–21.5
5.5–7.5
. . .
TPXM-29
S24000
0.08
11.5–14.5
0.060
0.030
1.00
17.0–19.0
2.3–3.7
. . .
TP304
S30400
0.08
2.00
0.045
0.030
1.00
18.0–20.0
8.0–11.0
. . .
TP304L
S30403
0.035D
2.00
0.045
0.030
1.00
18.0–20.0
8.0–13.0
. . .
TP304H
S30409
0.04–0.10
2.00
0.045
0.030
1.00
18.0–20.0
8.0–11.0
. . .
. . .
S30415
0.04-0.06
0.80
0.045
0.030
1.00–2.00
18.0–19.0
9.0–10.0
. . .
TP304N
S30451
0.08
2.00
0.045
0.030
1.00
18.0–20.0
8.0–18.0
. . .
TP304LN
S30453
0.035
2.00
0.045
0.030
1.00
18.0–20.0
8.0–12.0
. . .
. . .
S30600
0.018
2.00
0.02
0.02
3.7–4.3
17.0–18.5
14.0–15.5
0.20
. . .
S30615
0.16–0.24
2.00
0.030
0.03
3.2-4.0
17.0–19.5
13.5–16.0
. . .
. . .
S30815
0.05–0.10
0.80
0.040
0.030
1.40–2.00
20.0–22.0
10.0–12.0
. . .
TP309S
S30908
0.08
2.00
0.045
0.030
1.00
22.0–24.0
12.0–15.0
0.75
TP309H
S30909
0.04–0.10
2.00
0.045
0.030
1.00
22.0–24.0
12.0–15.0
. . .
TP309Cb
S30940
0.08
2.00
0.045
0.030
1.00
22.0–24.0
12.0–16.0
0.75
TP309HCb
S30941
0.04–0.10
2.00
0.045
0.030
1.00
22.0–24.0
12.0–16.0
0.75
TP310S
S31002
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