OD: 1" -24" ( 20mm-610mm) WT: 1.8-22.2mm Type: ERW( Electrical Resistance Weld) Material: API 5L G.A/ B X42, X46, X52, X56, X60, X65, X70 API 5CT, H40, J55, K55, N80, L80 etc. ASTM A53 G.A/ B, ASTM A106 G.A/ B ASTM A252 Gread 1, 2, 3 EN10217, EN10219 etc.