For decades, Sun Mark Stainless has been a trusted name in manufacturing top-grade stainless steel welded pipes and tubes. We are among India’s leading exporters of stainless steel welded pipes and tubes.
Each batch undergoes rigorous, multi-stage quality inspections, from dimensional accuracy and tensile strength to corrosion resistance testing, ensuring that every pipe and tube meets our strict internal and international quality benchmarks.
Available in 304, 304L, 316, 316L, 316Ti, and 321 grades, our stainless steel welded pipes and tubes deliver reliable strength and durability for both industrial and commercial applications.




| Standards | ASME / ASTM A249 / A269 / A312 / EN 10217-7, Equivalent to EN & DIN Standards |
|---|---|
| Outside Diameter (O.D) | 12.70 mm to 406.40 mm |
| N.B | 1/2" NB to 16" NB |
| Thickness | 0.90 mm to 9.53 mm (SCH 5S / SCH 20 / SCH 10S / SCH 40S) |
| Length | up to 11.8 meters |
| Process Features | Solution Annealed - Pickled & Passivated |
| Surface Finish | Pickled |
| Grades | 304 / 304L / 316 / 316L / 316Ti / 321 |