300 Series Stainless Steel ERW Welded Tube 201 Grade

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.