Marine & Offshore Stainless Steel & Super Duplex Pipes

Class-certified piping solutions for commercial shipbuilding and offshore energy—specializing in heavy-wall high-pressure Super Duplex (UNS S32750/S32760, PREN ≥ 42) and austenitic stainless steel pipes engineered for cryogenic fuel lines, severe pitting resistance, and extreme marine environments.

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Steel Pipe

SEAMLESS STEEL PIPE Product description: Made of round steel through the pipe through hot rolling or cold drawing form of production

WELDED PIPE Product description: Made of steel plate or steel belt after bending and welding

FOOD-GRADE PIPE Product description: Food-grade steel pipe refers to the environmentally friendly materials that are directly in contact with food and meet the requirements of food safety. Food grade stainless steel has high finish inside and outside, easy to clean, corrosion resistance, high liquid medium retention on the inner surface is small, conducive to washing, and can be used in medicine, food and other industries.

Product Parameter

SEAMLESS STEEL PIPE

Outer Diameter	1/2"～8”(DN15～DN200)
Wall Thickness	2.11mm～15.09mm
Material	Austenitic Stainless Steel: 304, 304L, 316, 316L, etc. Duplex Stainless Steel: S31803, S32205, S32750, S32760, etc.

FOOD-GRADE PIPE

Outer Diameter	Φ6～Φ630mm
Wall Thickness	2.11mm～15.09mm
Material	Austenitic Stainless Steel: 304, 304L, 316, 316L, etc. Duplex Stainless Steel: S31803, S32205, S32750, S32760, etc.

WELDED PIPE

Welding Form	submerged arc welding, gas shielded welding;
Forming Form	straight seam type
Outer Diameter	1/2"～48”(DN25～DN1200)
Wall Thickness	1.65mm～40mm
Material	Austenitic Stainless Steel: 304, 304L, 316, 316L, etc. Duplex Stainless Steel: S31803, S32205, S32750, S32760, etc.