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 | |
| 1/8" Sch 10 | .307 | .049 | .1863 | 304/L | 1/2" Sch 10 | .674 | .083 | .671 | 304/L | |
| .405 OD | 316/L | .840 OD | 310 | |||||||
| 1/8" Sch 40 | .269 | .068 | .2447 | 304/L | 316/L | |||||
| .405 OD | 310 | 317/L | ||||||||
| 316/L | 321 | |||||||||
| 321 | 347 | |||||||||
| 1/8" Sch 80 | .215 | .095 | .3145 | 304/L | 1/2" Sch 40 | .622 | .109 | .851 | 254SMO | |
| .405 OD | 310 | .840 OD | 304/L | |||||||
| 316/L | 304H | |||||||||
| 321 | 309 | |||||||||
| 347 | 310 | |||||||||
| 1/4" Sch 10 | .410 | .065 | .3297 | 304/L | 316/L | |||||
| .540 OD | 310 | 317/L | ||||||||
| 316/L | 321 | |||||||||
| 1/4" Sch 40 | .364 | .088 | .4248 | 304/L | 347 | |||||
| .540 OD | 309 | 410 | ||||||||
| 310 | Duplex 2205 | |||||||||
| 316/L | 1/2" Sch 80 | .693 | .147 | 1.088 | 304/L | |||||
| 317/L | .840 OD | 304H | ||||||||
| 321 | 309 | |||||||||
| 347 | 310 | |||||||||
| Duplex 2205 | 316/L | |||||||||
| Alloy 20 | 317/L | |||||||||
| 1/4" Sch 80 | .302 | .119 | .4248 | 304/L | 321 | |||||
| .540 OD | 309 | 347 | ||||||||
| 310 | 1/2" Sch 160 | .652 | .188 | 1.309 | 304/L | |||||
| 316/L | .840 OD | 310 | ||||||||
| 317/L | 316/L | |||||||||
| 321 | 321 | |||||||||
| 347 | 347 | |||||||||
| 3/8" Sch 10 | .545 | .065 | .4235 | 304/L | 1/2" Sch DXH | .546 | .294 | 1.714 | 304/L | |
| .675 OD | 316/L | .840 OD | 316/L | |||||||
| 3/8" Sch 40 | .493 | .091 | .5676 | 304/L | 321 | |||||
| .675 OD | 309 | 347 | ||||||||
| 310 | 3/4" Sch 5 | .920 | .065 | .6838 | 304/L | |||||
| 316/L | 1.050 OD | 316/L | ||||||||
| 317/L | 3/4" Sch 10 | .884 | .083 | .8572 | 304/L | |||||
| 321 | 1.050 OD | 310 | ||||||||
| 347 | 316/L | |||||||||
| 3/8" Sch 80 | .423 | .126 | .7388 | 304/L | 317/L | |||||
| .675 OD | 309 | 321 | ||||||||
| 310 | 3/4" Sch 40 | .824 | .113 | 1.131 | 254SMO | |||||
| 316/L | 1.050 OD | 304/L | ||||||||
| 317/L | 304H | |||||||||
| 321 | 309 | |||||||||
| 347 | 310 | |||||||||
| 1/2" Sch 5 | .710 | .065 | .5383 | 304/L | 316/L | |||||
| .840 OD | 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.
