Welded Stainless Steel Pipe

Stainless Steel Welded Pipe Manufacturer & Supplier

We supply welded pipe, per ASTM A 312, ASTM A 358 or as rolled and welded. We supply common grades of stainless such as 304/304L 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″. All welded pipe products can be cut to size. Specialty testing, including X-ray, Hydro Testing and more can be supplied upon request.

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Sizes & Schedule Specifications

Size Range: 1/8″ – 96″

Schedules: 5S, 10S, STD, XH, 40, 80, 100, 120, 160, XXH

300 Series Stainless Steel Grades: 304, 304/L, 304H, 309/S, 309H, 310/S, 310H, 316L, 317L, 321, 321H, 347, 347H

400 Series Stainless Steel Grades: 410, 410S

Nickel Alloy Grades: Duplex 2205, Duplex 2507

ASTM A312 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless-Steel Pipes

ASTM A358 Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel

Welded Stainless Steel Pipe Tolerances

NPS Permissible Variations in Outside Diameter
Over In. Under In.
1/8 to 1-1/2, incl 1/64 (0.015) 1/32 (0.031)
Over 1-1/2 to 4, incl 1/32 (0.031) 1/32 (0.031)
Over 4 to 8, incl 1/16 (0.062) 1/32 (0.031)
Over 8 to 18, incl 3/23 (0.093) 1/32 (0.031)

Industrial Applications

Stainless steel welded pipe is corrosion resistant and this type of material is extremely durable in harsh conditions. This type of pipe is popular in industrial applications in the following industries:

· Chemical

· Food and beverage

· Marine

· Mining

· Renewable energy

· Oil and gas

· Pharmaceutical

· Petrochemical

· Power generation