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Stainless Steel Seamless Pipe

Stainless steel seamless pipes are hollow cylindrical tubes manufactured without a welding seam, providing uniform structure, high mechanical strength, and reliable performance under demanding conditions.

They offer excellent corrosion resistance, high temperature and pressure tolerance, precise dimensional control, and smooth internal surfaces.

Seamless pipes are widely used in oil & gas, chemical processing, power generation, food & pharmaceutical, and mechanical engineering industries.

Description

Item Details
Outer Diameter (OD) 6 – 630 mm
Wall Thickness (WT) 0.8 – 80 mm
Length Straight Tube: 5.8 m / 6 m / 12 m, or customized upon request
Coiled Tube: Supplied in coil form, length as required per order
Surface Finish AP (Annealed & Pickled) – Matte Finish, Pickled & Descaled
BA (Bright Annealed) – Smooth Reflective Surface
MP (Mechanically Polished) – Polished Surface
EP (Electropolished) – Ultra-Smooth Hygienic Surface
Ends Plain End (PE), Beveled End (BE), Plastic Caps
Standards ASTM A312 / A213 / A269 / A511 / A789 / A790, EN 10216-5, JIS G3459, GB/T 14976, etc.
Surface Roughness ID/OD Ra ≤ 3.2 µm (customizable to ≤ 0.25 µm upon request); Rz on request
Pressure / Leak Tests Hydrostatic, Air Leak (as required)
Mechanical Tests Flattening, Flaring, Bending, Expanding, Hardness, Impact Tests (as required)
Nondestructive Tests Ultrasonic (UT), Eddy Current (ET), Magnetic Particle (MT), Penetrant (PT), Radiographic (RT)
(Available upon request or according to applicable standards)
Certificates Mill Test Certificate (MTC) / ISO / SGS / BV / TÜV
Available Grades TP304 / 304L / 304H, TP316 / 316L / 316Ti, TP321 / 321H, 310S, 317L, 347, S31803 / S32205 / S32750 / S32760, 904L, etc.
Industry Application Fields
Oil & Gas / Petrochemical Pipelines, Heat Exchangers, Pressure Vessels
Energy & Power Boiler Tubes, Superheaters, Nuclear Power Systems
Chemical & Pharmaceutical Process Piping, Reactors, High-Purity Fluid Systems
Food & Beverage Sanitary Pipelines, Processing Equipment
Water Treatment & Marine Desalination Plants, Seawater Pipelines
Construction & Infrastructure Structural Piping, Building Systems
Automotive & Aerospace Exhaust Systems, Hydraulic & Fuel Lines
Medical & Biotechnology Pharmaceutical Tubing, Medical Equipment

 

Each stainless steel pipe is supplied with a Mill Test Certificate (MTC) for full traceability by heat and batch number.

A. For common grades, previous MTCs can be provided for review of chemical composition and mechanical properties before purchase.

B. For special alloys, corresponding MTCs will be issued and shared prior to shipment to ensure your requirements are fully met.

 

 

See the diagram below for a full overview of our packaging system.

Professional pipe packaging solutions — customized for your needs, ensuring safe delivery.

 

Shanghai Uprime Metal Co., Ltd.

Address

5F, No.29, Lane 2055 Longhao Road, Jinshan District, Shanghai, China

Say Hello

+86-21-60132946
+86-18456696170

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