GANYEAH Stainless Products supplies welded pipe, per TP304 Stainless Steel Welded Pipes, ASTM A 358 or as rolled and welded. We supply common grades of stainless such as TP304 Stainless Steel Welded Pipes and 316/316L in standard pipe sizes and schedules including Sch 5, Sch 10, Sch 40s and Sch 80s. We also supply more challenging stainless welded pipe requirements including 304H, 316H, 309/S, 310/S, 317/L, 321/H, 347/H, 410, 410S, Duplex 2205, Duplex 2507 and many other grades of stainless, duplex or nickel alloys.
We can even supply material with wall thicknesses up to 3″ thick! Diameters sizes range from 1/8″ up to 96″. We specialize in quick delivery of non-standard welded pipe. We recently supplied a steel mill with 3 pieces of 11-1/2″ OD x .625″ Wall x 13' Type 316/316L and delivered the product in 5 days to meet a shut-down requirement. All welded pipe products can be cut to size. Specialty testing, including X-ray, Hydro Testing and more can be supplied upon request.
304 Stainless Steel Welded Pipes, TP304 Stainless Steel Welded Pipes, 304 Steel Pipe Specifications
| Material | Grade |
| GRADES | TP 304 Stainless Steel Pipes / UNS S30400 / DIN 1.4301 |
| SIZE | 1/2" NB to 80" NB |
| STANDARDS | ASTM A249 - A269 - A312 - A358 - A554 - A778 - A789 - A790 |
| TYPE | Welded, EFW, ERW, Fabricated |
| FORM | Round Pipes, Square Pipes, Rectangular Pipes, Oval Pipes, Hydraulic Pipe, etc. |
| END | Plain End, Treaded, Beveled End |
| TOLERANCE on Length | Commercial Length: 6000mm +/- 30mm Fix Length: from 1200 mm up to 12000mm with a tolerance up to -0/+ 5mm |
| FINISH | Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1mm, Polished Grit 120 - 600, Mirror Polished |
| Standard | Werkstoff Nr. | UNS | JIS | AFNOR | BS | GOST | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | Z7CN18‐09 | 304S31 | 08Х18Н10 | X5CrNi18-10 |
