... /8162/3087, BS1387, DIN10025 2.outer diameter:20~219mm ASTM A106 SEAMLESS GALVANIZED PIPE 1.galvanized steel pipe/steel pipe ... GB-8183/8162/3087, BS1387, DIN100253.outer diameter:20~219mm4.wall thickness:1.0-~4.5mm5.length:6m,9m,12m,etc6.application ... (Chinese Standard, Other Material Can Also Be Provided)StandardBS,GB,ASTM, ASME, DINUsageUsed For Gas, Oil, Water Pipes, Structure, MechanicalEndsPlain ...