304 Stainless Steel Square Tube & Rectangular Tube English Introduction 1. Product Overview 304 stainless steel square tube and rectangular tube, also called stainless steel hollow section, are welded hollow profiles made from 304 austenitic stainless steel strip (UNS S30400). Manufactured by roll forming and longitudinal welding, normally followed by weld seam grinding and surface finishing. It complies with ASTM A554, EN 10219, GB/T 12771 standards. This 18-8 stainless
304 Stainless Steel Square Tube & Rectangular Tube English Introduction 1. Product Overview 304 stainless steel square tube and rectangular tube, also called stainless steel hollow section, are welded hollow profiles made from 304 austenitic stainless steel strip (UNS S30400). Manufactured by roll forming and longitudinal welding, normally followed by weld seam grinding and surface finishing. It complies with ASTM A554, EN 10219, GB/T 12771 standards. This 18-8 stainless