ASTM A312 seamless stainless steel pipe is austenitic stainless steel pipe intended for high temperature and general corrosive service, including petroleum, chemical, food, or auto industry and for mechanical structural components.
Available size for Schedule 40S pipe
| Size | Thickness (mm) | Test pressure (MPa)(TP304 / TP316L) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 2.77 | 17.0 / 17.0 | P2201 |
| 3/4″ / DN20 / 26.7mm | 2.87 | 17.0 / 17.0 | P2202 |
| 1″ / DN25 / 33.4mm | 3.38 | 17.0 / 17.0 | P2203 |
| 1-1/4″ / DN32 / 42.2mm | 3.56 | 17.0 / 14.3 | P2204 |
| 1-1/2″ / DN40 / 48.3mm | 3.68 | 15.6 / 13.0 | P2205 |
| 2″ / DN50 / 60.3mm | 3.91 | 13.3 / 11.0 | P2206 |
| 2-1/2″ / DN65 / 73.0mm | 5.16 | 14.5 / 12.0 | P2207 |
| 3″ / DN80 / 88.9mm | 5.49 | 12.7 / 10.5 | P2208 |
| 4″ / DN100 / 114.3mm | 6.02 | 10.8 / 9.0 | P2209 |
| 5″ / DN125 / 141.3mm | 6.55 | 9.5 / 7.9 | P2210 |
| 6″ / DN150 / 168.3mm | 7.11 | 8.7 / 7.2 | P2211 |
| 8″ / DN200 / 219.1mm | 8.18 | 7.7 / 6.3 | P2212 |
| 10″ / DN250 / 273.0mm | 9.27 | 7.0 / 5.8 | P2213 |
| 12″ / DN300 / 323.8mm | 9.53 | 6.0 / 5.0 | P2214 |
| 14″ / DN350 / 355.6mm | 81.33 | 5.5 / 4.6 | P2215 |
| 16″ / DN400 / 406.4mm | 93.27 | 4.8 / 4.0 | P2216 |
| 18″ / DN450 / 457.0mm | 105.17 | 4.3 / 3.5 | P2217 |
| 20″ / DN500 / 508.0mm | 117.15 | 3.8 / 3.2 | P2218 |
| 24″ / DN600 / 610.0mm | 141.12 | 3.2 / 2.7 | P2219 |
Available size for Schedule 80S pipe
| Size | Thickness (mm) | Test pressure (MPa)(TP304 / TP316L) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 3.73 | 17.0 / 17.0 | P2221 |
| 3/4″ / DN20 / 26.7mm | 3.91 | 17.0 / 17.0 | P2222 |
| 1″ / DN25 / 33.4mm | 4.55 | 17.0 / 17.0 | P2223 |
| 1-1/4″ / DN32 / 42.2mm | 4.85 | 17.0 / 17.0 | P2224 |
| 1-1/2″ / DN40 / 48.3mm | 5.08 | 17.0 / 17.0 | P2225 |
| 2″ / DN50 / 60.3mm | 5.54 | 17.0 / 15.6 | P2226 |
| 2-1/2″ / DN65 / 73.0mm | 7.01 | 17.0 / 16.3 | P2227 |
| 3″ / DN80 / 88.9mm | 7.62 | 17.0 / 14.6 | P2228 |
| 4″ / DN100 / 114.3mm | 8.56 | 15.4 / 12.7 | P2229 |
| 5″ / DN125 / 141.3mm | 9.53 | 13.8 / 11.5 | P2230 |
| 6″ / DN150 / 168.3mm | 10.97 | 13.4 / 11.1 | P2231 |
| 8″ / DN200 / 219.1mm | 12.70 | 11.9 / 9.9 | P2232 |
| 10″ / DN250 / 273.0mm | 12.70 | 9.5 / 7.9 | P2233 |
| 12″ / DN300 / 323.8mm | 12.70 | 8.0 / 6.7 | P2234 |
| 14″ / DN350 / 355.6mm | 12.70 | 7.3 / 6.1 | P2235 |
| 16″ / DN400 / 406.4mm | 12.70 | 6.4 / 5.3 | P2236 |
| 18″ / DN450 / 457.0mm | 12.70 | 5.7 / 4.7 | P2237 |
| 20″ / DN500 / 508.0mm | 12.70 | 5.1 / 4.3 | P2238 |
| 24″ / DN600 / 610.0mm | 12.70 | 4.3 / 3.5 | P2239 |
Available size for Schedule 10S pipe
| Size | Thickness (mm) | Test pressure (MPa) (TP304 / TP316L) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 2.11 | 17.0 / 16.8 | P2241 |
| 3/4″ / DN20 / 26.7mm | 2.11 | 16.2 / 13.4 | P2242 |
| 1″ / DN25 / 33.4mm | 2.77 | 17.0 / 14.1 | P2243 |
| 1-1/4″ / DN32 / 42.2mm | 2.77 | 13.5 / 11.2 | P2244 |
| 1-1/2″ / DN40 / 48.3mm | 2.77 | 11.8 / 9.7 | P2245 |
| 2″ / DN50 / 60.3mm | 2.77 | 9.4 / 7.8 | P2246 |
| 2-1/2″ / DN65 / 73.0mm | 3.05 | 8.6 / 7.1 | P2247 |
| 3″ / DN80 / 88.9mm | 3.05 | 7.0 / 5.8 | P2248 |
| 4″ / DN100 / 114.3mm | 3.05 | 5.5 / 4.5 | P2249 |
| 5″ / DN125 / 141.3mm | 3.40 | 4.9 / 4.1 | P2250 |
| 6″ / DN150 / 168.3mm | 3.40 | 4.1 / 3.4 | P2251 |
| 8″ / DN200 / 219.1mm | 3.76 | 3.5 / 2.9 | P2252 |
| 10″ / DN250 / 273.0mm | 4.19 | 3.1 / 2.6 | P2253 |
| 12″ / DN300 / 323.8mm | 4.57 | 2.9 / 2.4 | P2254 |
| 14″ / DN350 / 355.6mm | 4.78 | 3.7 / 3.0 | P2255 |
| 16″ / DN400 / 406.4mm | 4.78 | 3.2 / 2.7 | P2256 |
| 18” / DN450 / 457.0mm | 4.78 | 2.1 / 1.8 | P2257 |
| 20″ / DN500 / 508.0mm | 5.54 | 2.2 / 1.9 | P2258 |
| 24″ / DN600 / 610.0mm | 6.35 | 2.1 / 1.8 | P2259 |
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