Stainless Steel Pipe/Tube

321 Stainless Steel Pipe/Tube

321 Stainless Steel Pipe/Tube

Type 321 Stainless Steel Pipe/Tube – Your Reliable Partner for Critical Projects


Product Overview: Engineered for High-Temperature Integrity


When your project operates in the critical sensitization range of 427°C to 816°C, ordinary stainless steels face the risk of intergranular corrosion. Our Type 321 (UNS S32100) stainless steel pipe is stabilized with Titanium, specifically designed to eliminate "weld decay" and maintain structural integrity where post-weld annealing is not possible.

From chemical processing pressure vessels to heavy-duty exhaust manifolds, we deliver the durability your engineering requires.


Technical Quick-View


ParametersSpecification
StandardsASTM A312, A213, A269 / EN 10216-5
Outer Diameter (OD)6.0mm to 762mm (Custom sizes available upon request)
Wall Thickness (WT)0.5mm to 50.0mm (Specializing in heavy-wall tubes)
FinishingAnnealed & Pickled (AP), Bright Annealed (BA), Polished
Key PropertyTi Content ≥ 5 × (C+N), Superior creep and rupture strength



The Advantage of Choosing Us as Your Supplier


Quality You Can Trust (Zero-Defect Goal)


In B2B procurement, consistency is the foundation of trust.

Material Integrity: We perform 100% PMI (Positive Material Identification) testing to ensure the Titanium-to-Carbon ratio strictly meets ASTM/EN requirements.

Rigorous Testing: Every pipe undergoes a complete testing protocol—including Eddy Current, Ultrasonic, and Hydrostatic testing—to ensure zero leakage and structural perfection.

Full Documentation: Every shipment includes a genuine EN 10204 3.1 Mill Test Certificate (MTC) for total traceability.



Scalable Supply & Value-Added Services


Rapid Response Inventory: Based in China's stainless steel hub (Wuxi), we maintain a vast stock of 321 standard pipes for immediate dispatch.

Precision Customization: Need specific lengths or surface treatments? We provide precision cutting, beveling, and internal Ra control to save your on-site fabrication costs.


Services

Tisco Group provides a complete metal solution for global industrial and construction projects, offering stainless steel, carbon steel, galvanized steel, and high-temperature alloys in plates, pipes, coils, bars, and structural profiles.

 

Powered by advanced production lines and precision processing equipment, we deliver full-service fabrication including laser cutting, bending, welding, slitting, flattening, CNC machining, and waterjet cutting—ensuring every product meets strict project requirements.

 

From material selection to custom fabrication, Tisco Group guarantees high quality, full traceability, and fast delivery. Send us your requirements—we will reply with a professional quote within 24 hours.

Expertise in production

Tisco Group operates a fully integrated metal manufacturing system, covering melting, casting, hot rolling, cold rolling, and precision processing. We supply stainless steel, carbon steel, galvanized steel, and high-temperature alloys in plates, pipes, coils, bars, and structural profiles.

 

Our production capabilities include:

Steel Melting & Continuous Casting for material purity and consistent performance

Hot & Cold Rolling Lines for accurate and diversified plate & coil production

Welded & Seamless Pipe Mills supporting structural, fluid, and corrosion-resistant applications

Profile Forming Lines for H/I beams, U channels, angles, flat bars, and more

Automated Fabrication Facilities offering laser cutting, bending, polishing, slitting, CNC machining, and finishing services

 

Each stage follows strict quality inspection covering dimensional accuracy, mechanical properties, chemical composition, and surface standards. With strong production control, stable mass-supply capacity, and reliable lead-time management, Tisco Group delivers dependable metal products for global engineering, manufacturing, and distribution partners.

Committed to our customers

At Tisco Group, we do more than supply metal materials—we build long-term partnerships with our global industrial and engineering clients.

Whether you need standard products or complex custom fabrication, we are committed to delivering fast, reliable, and professional support at every stage.

 

Our commitment includes:

Fast Response - Professional quotations within 24 hours

Stable Supply - Large inventory covering plates, pipes, coils, bars & profiles

Strict Quality Control - Full inspection from raw material to final products, with MTC provided

Engineering Support - Material selection, fabrication guidance, and project solutions

Full Customization - Laser cutting, bending, welding, CNC machining, waterjet cutting & more

Global Delivery - FOB / CIF / DDP shipping to 80+ countries

 

Tisco Group ensures quality, efficiency, and dependable service—giving you confidence in every order and every project.

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