ASTM A312 TP304L Stainless Steel for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes 1.1 This specification2 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
Grade
|
Tensile Strength (MPa)
|
Yield Strength 0.2% Proof (MPa)
|
Elongation (% in 50mm)
|
Hardness |
|
Rockwell (HR B) |
Brinell (HB) |
||||
304 |
515 |
205 |
40 |
92 |
201 |
304L |
485 |
170 |
40 |
92 |
201 |
304H |
515 |
205 |
40 |
92 |
201 |
NPS | Outside Diameter | Nominal Wall Thickness | |||
Sch5s | Sch10s | Sch40s | Sch80s | ||
1/8″ | 10.3 | – | 1.24 | 1.73 | 2.41 |
1/4″ | 13.7 | – | 1.65 | 2.24 | 3.02 |
3/8″ | 17.1 | – | 1.65 | 2.31 | 3.2 |
1/2″ | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 |
3/4″ | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 |
1″ | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
11/4″ | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 |
11/2″ | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 |
2″ | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 |
21/2″ | 73 | 2.11 | 3.05 | 5.16 | 7.01 |
3″ | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
31/2″ | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
4″ | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
5″ | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 |
6″ | 168.3 | 2.77 | 3.4 | 7.11 | 10.97 |
8″ | 219.1 | 2.77 | 3.76 | 8.18 | 12.7 |
10″ | 273 | 3.4 | 4.19 | 9.27 | 12.7 |
12″ | 323.9 | 3.96 | 4.57 | 9.53 | 12.7 |
14″ | 355.6 | 3.96 | 4.78 | – | – |
16″ | 406.4 | 4.19 | 4.78 | – | – |
18″ | 457 | 4.19 | 4.78 | – | – |
20″ | 508 | 4.78 | 5.54 | – | – |
22″ | 559 | 4.78 | 5.54 | – | – |
24″ | 610 | 5.54 | 6.35 | – | – |
30″ | 762 | 6.35 | 7.92 | – | – |