By Classification: -- Select specification here -- Welded Steel Pipes - Type L2 (Light Series) Welded Steel Pipes - Medium Series (M) Welded Steel Pipes - Heavy Series (H) Welded Steel Pipes - Type L1 Welded Steel Pipes For General Purposes (Class AA - Manufacturer's Standard) Carbon Steel Pipes for Ordinary Piping Electric Welded Non-alloy Steel Tubes for Cement Lined Pipes British Standard Steel Tubes for Scaffolding AURORA Brand British Standard Galvanished Steel Conduit Square Hollow Sections (ASTM A-500) Rectangular Hollow Sections (ASTM A-500) Cold Formed Square Hollow Sections Cold Formed Rectangular Hollow Sections Cold Formed Circular Hollow Sections Carbon Steel Tube for Machine Structural Purpose Lipped Channels Mild Steel Plain Channels Special Sizes Other Technical Details By Specification: -- Select specification here -- MS 863:2010 / BS EN 10255:2004 / BS 1387:1985 / Manufacturer's Standard JIS G3452 MS 1968 / BS EN 10224 / BS 534 / Manufacturer's Standard BS 1139 BS 31 & BS 4568 ASTM A-500 BS EN 10219 JIS G3445, Grade-STKM 11A JIS G3350 BS EN ISO 1461