347 (Austenitic) SST-347-INST
347 Instrumentation Tubing
precision instrumentation tubing for control lines, sample systems, and process instrumentation per ASTM A269.
Stainless Steel Tubing
321 Boiler Tubing
321 (Austenitic)
Quick Specifications
- SKU / Part No.
- SST-321-BOIL
- Grade / Standard
- 321 (Austenitic)
- Available Sizes
- OD: 1/16" – 2" (1.6mm – 50.8mm) | Wall: 0.020" – 0.250" | Coil or straight length
- Certifications
- ASTM A269, ASTM A213, ASME B31.3
- Category
- Stainless Steel Tubing
321 Boiler Tubing — Seamless boiler and superheater tubing rated for high-pressure, high-temperature steam service.
Manufactured from Austenitic grade 321 stainless steel to ASTM A269 / A213. Titanium-stabilised grade resistant to sensitization in the 425–900°C range.
Supplied bright annealed, pickled, or electropolished depending on application. Full traceability and mill test certificates provided with every shipment.
Key Applications
- Boiler tube bundles
- Superheater coils
- Economiser tubing
- High-pressure steam systems
Technical Specifications
| SKU / Part Number | SST-321-BOIL |
|---|---|
| Grade / Standard | 321 (Austenitic) |
| Dimensions / Sizes | OD: 1/16" – 2" (1.6mm – 50.8mm) | Wall: 0.020" – 0.250" | Coil or straight length |
| Certifications / Standards | ASTM A269, ASTM A213, ASME B31.3 |
| Applications | Boiler tube bundles Superheater coils Economiser tubing High-pressure steam systems |
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