Stainless Steel A312
Description
| Pipe Size | Outside Diameter | Sch. 5 | Sch 10 | Sch. 40 | Sch 80 |
|---|---|---|---|---|---|
| Inch/ mm | Inch/ mm | Inch/ mm | Inch/ mm | Inch/ mm | Inch/ mm |
| 1/2 / 12.7 | 0.84 / 21.34 | 0.065 / 1.65 | 0.083 / 2.11 | 0.109 / 2.77 | 0.147 / 3.73 |
| 3/4 / 19.01 | 1.05 / 26.67 | 0.065 / 1.65 | 0.083 / 2.11 | 0.113 / 2.87 | 0.154 / 3.91 |
| 1 / 25.4 | 1.315 / 33.4 | 0.065 / 1.65 | 0.109 / 2.77 | 0.133 / 3.38 | 0.179 / 4.55 |
| 1 1/4 / 31.8 | 1.66 / 42.2 | 0.065 / 1.65 | 0.11 / 2.77 | 0.14 / 3.56 | 0.191 / 4.85 |
| 1 1/2 / 38.1 | 1.9 / 48.26 | 0.065 / 1.65 | 0.109 / 2.77 | 0.145 / 3.68 | 0.2 / 5.08 |
| 2 / 50.8 | 2.375 / 60.33 | 0.065 / 1.65 | 0.109 / 2.77 | 0.154 / 3.91 | 0.218 / 5.53 |
| 2 1/2 / 63.5 | 2.875 / 73.03 | 0.083 / 2.11 | 0.12 / 3.05 | 0.203 / 5.16 | 0.276 / 7.01 |
| 3 / 76.2 | 3.5 / 88.9 | 0.083 / 2.11 | 0.12 / 3.05 | 0.216 / 5.49 | 0.3 / 7.62 |
| 3 1/2 / 88.9 | 4 / 101.6 | 0.083 / 2.11 | 0.12 / 3.05 | 0.226 / 5.74 | 0.318 / 8.08 |
| 4 / 101.6 | 4.5 / 114.3 | 0.083 / 2.11 | 0.12 / 3.05 | 0.237 / 6.02 | 0.337 / 8.56 |
| 5 / 127.0 | 5.563 / 141.3 | 0.109 / 2.77 | 0.134 / 3.40 | 0.258 / 6.55 | 0.375 / 9.52 |
| 6 / 152.4 | 6.625 / 168.28 | 0.109 / 2.77 | 0.134 / 3.40 | 0.28 / 7.11 | 0.432 / 10.98 |
| 8 / 203.2 | 8.625 / 219.08 | 0.109 / 2.77 | 0.148 / 3.76 | 0.322 / 8.18 | 0.5 / 12.70 |
TITLE
Seamless and Welded Austenitic Steel Pipe for high temperature and general corrosive duties.
METHOD OF MANUFACTURE
Seamless or automatic welding with no filler metal. Pipe may be hot or cold finished.
METHOD OF MANUFACTURE
Nominal Pipe Size
Over
Under
1/8″ to 1 1/2″, Inclusive
0.40
0.80
Over 11/2″ to 4″, Inclusive
0.80
0.80
Over 4″ to 8″, Inclusive
1.60
0.80
Over 8″ to 18″, Inclusive
2.40
0.80
Over 18″ to 26″, Inclusive
3.20
0.80
Over 26″ to 30″, Inclusive
4.80
0.80
Minimum wall thickness not more than 12.5% under Nominal Wall.
HEAT TREATMENT
All grades will be supplied in the heat treated condition.
TESTS
1. Tensile Tests (a) Tensile Strength (b) Yield Strength (c) Elongation.
2. Flattening Test
3. Hydrostatic Test
4. Grain Size (S32615, 309H, 309HCb, 310, 310HCb, 321H).
