ASTM A269 TP316L Flawless Surface Seamless Stainless BA Tube 6mm-630mm Zero Scratches Pitting Weld Marks
Flawless Surface No Scratches No Pitting Stainless Steel BA Tube — ASTM A269 TP316L Seamless
YUHAO presents its premium ASTM A269 TP316L seamless bright annealed (BA) stainless steel tube, engineered specifically for applications demanding flawless surface no scratches no pitting. Available in outer diameters from 6mm to 630mm with customizable wall thicknesses, this tube delivers exceptional surface quality through a rigorously controlled hydrogen atmosphere bright annealing process.
▶ Key Product Advantages — Flawless Surface No Scratches No Pitting
- 100% visual inspection under 500+ lux illumination, zero surface defects tolerance
- Seamless construction eliminates weld bumps, bead irregularities, and HAZ discoloration
- Proprietary handling protocol prevents scratches during drawing, cutting, and packaging
- Pitting-free surface verified by dye penetrant test on random sampling per batch
▶ Technical Specifications
| Parameter | Specification |
|---|---|
| Material | TP316L (also available: TP304, TP304L, TP316, TP321, Duplex) |
| Outer Diameter | 6mm - 630mm, Custom outer diameter available |
| Wall Thickness | 0.5mm - 10mm, Custom wall thickness available |
| Length | 6m or as per customer requirement |
| Standard | ASTM/ASME A/SA269, A/SA213, DIN 17458/17457, EN 10216-5/10217-7 |
| Surface Finish | Flawless Bright Annealed (BA), 100% Visual Inspected |
| Manufacturing Process | Cold Drawn Seamless, Bright Annealed in Hydrogen Atmosphere |
| NDT | Eddy Current Test, Hydrostatic Test, Ultrasonic Test, 100% Visual Inspection |
| Application | Sanitary Processing, Food Grade Systems, Medical Devices, Pharmaceutical Equipment, High-Purity Piping |
| Packaging | Each tube separated by foam dividers, wrapped in soft non-woven fabric, packed in heavy-duty plywood cases |
| Certification | ISO 9001, PED, CE, TUV, AD2000 |
▶ Why Choose YUHAO BA Tubes
With a modern production facility in Wenzhou, China's stainless steel manufacturing hub, YUHAO operates a fully integrated quality management system backed by comprehensive in-house testing capabilities. Our BA tubes are exported to the United States, UAE, Turkey, Thailand, Russia, and South Korea, serving industries ranging from precision instrumentation to large-scale petrochemical projects. Every tube undergoes rigorous NDT inspection including eddy current, hydrostatic, and ultrasonic testing before shipment.
Contact YUHAO today for a tailored quotation, technical datasheet, or free sample evaluation. We offer flexible MOQ starting from 100 KGS with competitive lead times of 15-25 days for production orders.
Choose YUHAO, Choose Better Every Day — 表面无划痕,无麻点,无焊缝凹凸
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