Sqaure Square Stainless Steel Tubes, Material Grade: As Standard, Thickness: 0.6-6mm. ₹ 350 / Kg. Sanko Stainless Steel. Contact Supplier. Stainless Steel 446 Seamless Tubes, For Industrial. ₹ 1,500 / Kg. Hindco Steel And Alloys. Contact Supplier. SKYLAND Cold Drawn Seamless Tube, For Industrial.