Penn Stainless Products stocks Seamless pipe per ASTM A 312 in 304/304L and 316/316L. We supply other stainless grades, including 304H, 316H, 309/S, 310/S, 317/L, 321/H, 347/H, 904L, 330, 254SMO, 410. In duplex grades, we can supply 2205 and 2507. Some nickel grades are also supplied. We supply a full range of pipe schedules ranging from Sch 5 thru Double Extra Heavy. Most products are available in 20’ random length sections, but Penn Stainless Products can supply seamless pipe in most stainless grades in sections exceeding 40.’ All stainless seamless pipes can be cut to your exact requirements. Some made to order items can be produced in 2-3 weeks.
| NPS / OD | ID | Wall | Wt /Ft | Grade | NPS / OD | ID | Wall | Wt /Ft | Grade | |
| 5" Sch 120 (Contd) | 4.563 | .500 | 27.04 | 321 | 6" Sch 120 (Contd) | 5.501 | .562 | 36.39 | 347 | |
| 5.563 OD | 347 | 6.625 OD | Duplex 2205 | |||||||
| 5" Sch 160 | 4.313 | .625 | 32.96 | 304/L | 6" Sch 160 | 5.187 | .719 | 45.35 | 304/L | |
| 5.563 OD | 304H | 6.625 OD | 304H | |||||||
| 310 | 310 | |||||||||
| 316/L | 316/L | |||||||||
| 321 | 317/L | |||||||||
| 347 | 321 | |||||||||
| 5" Sch DXH | 4.063 | .750 | 38.55 | 304/L | 347 | |||||
| 5.563 OD | 304H | Duplex 2205 | ||||||||
| 316/L | 6" Sch DXH | 4.897 | .864 | 53.160 | 304/L | |||||
| 321 | 6.625 OD | 304H | ||||||||
| 347 | 310 | |||||||||
| 6"Sch 10 | 6.3578 | .134 | 9.289 | 304/L | 316/L | |||||
| 6.625 OD | 304H | 321 | ||||||||
| 309 | 347 | |||||||||
| 310 | Duplex 2205 | |||||||||
| 316/L | 8" Sch 10 | 8.329 | .148 | 13.60 | 304/L | |||||
| 317/L | 8.625 OD | 310 | ||||||||
| 321 | 316/L | |||||||||
| 347 | 317/L | |||||||||
| Duplex 2205 | 321 | |||||||||
| 6" Sch 40 | 6.065 | .280 | 18.97 | 304/L | 347 | |||||
| 6.625 OD | 304H | Duplex 2205 | ||||||||
| 309 | 8" Sch 20 | 8.125 | .250 | 22.360 | 304/L | |||||
| 310 | 8.625 OD | 316/L | ||||||||
| 316/L | 321 | |||||||||
| 317/L | 8" Sch 40 | 7.981 | .322 | 58.55 | 316/L | |||||
| 321 | 8.625 OD | 317/L | ||||||||
| 347 | 321 | |||||||||
| 410 | 347 | |||||||||
| Duplex 2205 | Duplex 2205 | |||||||||
| 254SMO | 8" Sch 60 | 7.813 | .406 | 35.64 | 316/L | |||||
| 6" Sch 80 | 5.761 | .432 | 28.57 | 304/L | 8.625 OD | 317/L | ||||
| 6.625 OD | 304H | 8" Sch 80 | 7.625 | .500 | 43.39 | 304/L | ||||
| 309 | 8.625 OD | 304H | ||||||||
| 310 | 309 | |||||||||
| 316/L | 310 | |||||||||
| 317/L | 316/L | |||||||||
| 321 | 317/L | |||||||||
| 347 | 321 | |||||||||
| 410 | 347 | |||||||||
| Duplex 2205 | 410 | |||||||||
| 6" Sch 120 | 5.501 | .562 | 36.39 | 304/L | Duplex 2205 | |||||
| 6.625 OD | 304H | |||||||||
| 310 | ||||||||||
| 316/L | ||||||||||
| 317/L | ||||||||||
| 321 |
- Pipe can be cut to size, threaded or polished per customer specification.
- Pipe is stocked in 17' to 24' R/L sections. Longer lengths can be made to order.
- Penn Stainless stocks flanges, butt weld fittings, forged fittings and valves.
