Stainless & Alloy Steel Fittings

DNOW stocks and sells stainless steel and specialty alloy fittings ideal for low- or high-temperature general corrosive service. Our manufacturers are thoroughly appraised and vetted through our ISO 9001 certified quality program.

Stainless Steel Weld Fittings

We stock wrought austenitic stainless steel pipe fittings with butt welding connections for a wide range of applications.

  • WP-W (welded)
  • WP-S (seamless)
  • WP-WX (welded & 100% x-ray)
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Stainless Steel Weld Fittings


Standards / Material Grades ASTM A403, A815, ASME B16.9, WP304/L, WP316/L, WP32205
Sizes ½ in. NPS – 24 in. NPS
Wall SCH10s, SCH40s, SCH80s, SCH160
End Connections Butt weld

Our Stainless Steel Weld Fitting Suppliers

Awaji Materia (Thailand)
Sungkwang Bend
Ta Chen International

Stainless Steel Pressure Fittings

Our cast or forged austenitic stainless steel pressure fittings are available with threaded or socket weld connections.

  • A351 cast stainless steel
  • A182/SA182 forged stainless steel
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Stainless Steel Pressure Fittings


Standards / Material Grades ASTM A351, A/SA-182, ASME B16.11, MSS SP-114, CF8M (316), F304/L, F316/L
Sizes 1/8 in. NPS – 4 in. NPS
Wall Class 150, Class 2000, Class 3000, Class 6000
End Connections Threaded, socket weld

Our Stainless Steel Pressure Fitting Suppliers

Industria Meccanica Ligure (IML)
Bonney Forge
OMC Raccordi
Ta Chen International
Alloy Stainless Products (ASP)