Polished Surface 316L Stainless Steel Seamless Tube Food Grade with OD 6-630mm

High-quality satin and bright polished stainless steel pipes specifically designed for food processing and sanitary applications. Manufactured from premium 1.4404/316/316L materials to ensure corrosion resistance and hygiene compliance.

Austenitic: 304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L

Duplex Steel: 31803, 32205, 32750, 32760

Precipitation-hardening Steels: 254SMO/S31254, 17-4PH, 17-7PH, 15-7PH

We use Tsingshan Brand raw materials with comprehensive quality control including direct-reading spectrum testing to ensure chemical composition accuracy and material integrity.

Strict adherence to manufacturing process charts with experienced worker oversight throughout production.

We specialize in the production of sanitary stainless steel welded pipes and pipe fittings. Our facility features complete welded pipe assembly lines including cage forming, multi-shade welding, internal and external welding, and mirror polishing equipment. We strictly adhere to Chinese GB, ASTM, JIS, and DIN standards with ISO9001 quality system certification. Our comprehensive testing capabilities include eddy current testing, water pressure testing, process performance inspection, intergranular corrosion testing, and metallographic inspection. Compared to stainless steel seamless cold drawing processes, our products offer superior quality stability, precise wall thickness uniformity, high dimensional accuracy, and excellent internal and external surface quality.

Our products are widely used in food processing, medical machinery, petroleum, chemical industries, and other demanding applications.