... ~ 8mm 3) Spec.: Q195,Q215, Q235, Name: Galvanized Pipes(hot dipped galvanized steel pipe) Features1) Outer diameter: 20 ~ 219mm 2) Wall ... -1985, GB/T3091-2001.5) Steel pipe:a) GTC (galvanized threaded and coupling) steel pipe: DN15-DN200 (NB1/2"- ... .,LtdNatureof MaterialRebar, Hot rolled Coils/Sheets, Cold rolled Coils/Sheets, Chequred plate, MS plates, Galvanized coils/sheets, wire rod, etcAddressRoom ...