A500 Grade A Hollow Section, Material Mild Steel, Carbon Steel, Galvanized Iron, Steel Grade ST 52, YST 210, YST240, YST 310, YST355, S355J2H, Surface Finishing MILL FINISH

Astm a500 serves as a benchmark specification published by the astm for cold, Formed welded and seamless carbon steel structural tubing in round, Square, And rectangular shapes. It is commonly specified in the usa for hollow but the, Structural sections more stringent csa g40. 21 is preferred in canada. Another related standard is astm a501, Which is a hot, Formed version of this a500. Astm a500 defines four grades of carbon steel based primarily on material strength. Manufacture tubings to astm a500/a500m shall be manufactured by seamlesss or welding process. Delivery condition grade b, Grade a, Grade c shall be permissible for the tubing to be stress relieved or annealed. Grade d tubing shall be heat treated at a temperature no less than 1100 f 590 c for one hour per inch 25 mm of thickness. Inspection & test chemistry tensile test, Composition analysis, Flattening test, Surface inspection and dimension check. Keyword astm a500/a500m, Shs, Rhs, Chs, Square hollow section, Rectangular hollow section, Circular hollow section