Our 300 Series Stainless Steel ERW Welded Tube, made from robust 201 Grade material. With sizes from 20mm to 100mm, these seamless cut bends feature a sleek 2B finish and comply with ASTM standards. Ideal for a wide range of applications, they provide exceptional strength and reliability for all your project needs.
Material Grade
Stainless Steel 201 — a chromium-manganese-nickel alloy suitable for applications requiring moderate corrosion resistance and high strength
Available in ASTM, JIS, EN, and other standards as requested
Tube Specifications
Outer Diameter (O.D.): 6 mm – 114.3 mm (custom sizes available)
Wall Thickness: 0.5 mm – 10 mm depending on application
Length: Standard mill length or cut-to-length per request
Tolerances: Controlled for consistent wall thickness and roundness
Surface Finishes
Pickled and passivated for corrosion resistance
Bright and smooth finish for aesthetic or decorative use
Brushed or satin finish for architectural applications
Processing & Value-Added Services
Cutting to length and end preparation (beveling, chamfering)
Bending, flaring, threading, and welding assembly support
Polishing and passivation for enhanced surface quality
Protective packaging to prevent scratches and corrosion during shipment
Quality Control & Inspection
Dimensional inspection and surface examination
Mechanical and chemical testing: tensile, hardness, chemical composition
Non-destructive testing (NDT) options available on request
Third-party inspection and certification supported (SGS, BV, Intertek)
Applications
Furniture & Interior Decoration: handrails, frames, supports
Construction & Architectural Projects: pipelines, decorative tubes
Automotive & Machinery: low-stress components and protective tubing
Food & Beverage Equipment: where moderate corrosion resistance suffices
Industrial Piping: low-pressure fluid transportation
Qingze Supply of industrial steel products including structural plates, coils, bars and processed parts; services: cutting, bending, punching and prompt logistics for projects.

