321 Stainless Steel Round Pipe 21.3mm OD 1.65mm Wall ASTM A312 Annealed Pickled 6m
Product Introduction
321 stainless steel round pipe manufactured to ASTM A312 / A269, with outer diameter 21.3 mm and wall thickness 1.65 mm. Grade 321 is stabilized with titanium to prevent chromium carbide precipitation at high temperatures, providing dependable strength and corrosion resistance for continuous service up to 870°C. A small titanium-stabilized round pipe that resists sensitization and scaling between 430°C and 900°C, ideal for hot instrument and sample lines.
Every pipe is produced under strict quality control, with full traceability from the raw coil or billet to the finished tube. Mill test certificates, chemical composition reports and mechanical property data are available with every shipment, and third-party inspection by SGS, BV or TUV can be arranged upon request.
Product Specifications
| Parameter | Details |
|---|---|
| Material Grade | 321 |
| Manufacturing Standard | ASTM A312 / A269 |
| Outer Diameter (OD) | 21.3 mm |
| Wall Thickness (WT) | 1.65 mm |
| Length | 6 m (random or cut lengths) |
| Surface Finish | Annealed and pickled |
| End Finish | Plain ends |
| Packaging | Plastic end caps, bundles secured by steel strips or export wooden crates |
Applications
This 321 stainless steel round pipe is widely used in the following fields:
- Industrial furnace components
- Heat treatment equipment and trays
- Kilns and incinerator parts
- Petrochemical radiant tubes
- High-temperature exhaust systems
Custom sizes and non-standard specifications are available on request. Contact us for a quotation with your required OD, wall thickness and quantity, and our team will reply within 24 hours.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.