... .75 mm 3.Technique:ERW 4.Length:1-12m erw scaffolding steel pipes/tubes Standard:GB/T8162-1999,GB/T8163-1999,GB ... Steel Pipe/Galvanized Pipe / Steel Galvanized pipe /Galvanized Tube/Steel Pipes/Size:OD1/2~10''Thickness1.0~12mmLength6M/9M/12M And ... Provided)StandardBS,GB,ASTM, ASME, DINUsageUsed For Gas, Oil, Water Pipes, Structure, MechanicalEndsPlain Or Threaded With Socket Or Beveled With Plastic ...