ASTM A312 TP316L Seamless Pipe 6m Cold Drawn with ±0.05mm Tolerance and 15% Strength Increase
ASTM A312 TP316L seamless pipes manufactured through cold drawing process, available in standard 6-meter lengths with ready-to-ship inventory.
| Parameter | Specifications |
|---|---|
| Material Standards | ASTM A213, ASTM A269, ASTM A270, EN10216-5, ASTM B622, ASTM B516, ASTM A789 |
| Available Grades | TP304, TP304H, TP304L, TP316, TP316L, TP321, TP321H, TP317L, TP310S, TP347H, S31803, 2205, 2507 |
| Dimensions | OD: 1/4" - 24" WT: Sch5s - XXS Length: Max. 12M |
| Manufacturing Method | Seamless (Cold-drawn) |
| Surface Treatment | Annealed & Pickled |
| Standard Length | 6 meters (custom lengths available) |
| Certifications | ISO, PED Certified |
- PMI spectral analysis for material verification
- 100% eddy current and ultrasonic testing
- Dimensional and visual inspection with photographic documentation
- SGS/TUV sampling report support
- Complete traceability of manufacturing process data
Seven-step production process ensures superior quality:
- Perforation
- Multi-pass cold drawing
- Solution annealing
- Acid pickling and passivation
- Eddy current testing
- Straightening
- Final inspection
Multi-pass cold drawing refines grain structure, increasing strength by over 15%. Final dimensional tolerance controlled within ±0.05mm with inner surface roughness ≤0.8μm, ensuring reliability in high-pressure sealing applications.
TP316L thick-walled seamless pipes offer excellent chloride pitting resistance and medium-high temperature mechanical strength. Ideal for:
- Oil and gas gathering and transportation pipelines
- Chemical medium transportation systems
- Seawater treatment facilities
- Energy equipment heat exchange lines
2000-ton stock of 304/316 series seamless pipes including full specification 6-meter TP316L heavy wall pipes. Bulk material procurement reduces costs while PED compliance ensures quality. Ready for shipment within two weeks.
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