... L210,L245 Stardard: GB/T9711.1 gas and line pipePlace of originTianjin China(Mainland)Applicationoil pipeWelding line typeERWMinimum ... 14mmMaterialX70, X65, X42, L45StandardGB/T9711.1Length5m-12mUsageline pipe, casing and tubing, fluid pipe, water delivery, heating pipe, power ... -Body/Seam UT-Sizing Straightening-Cutting-Visual and dimension Inspection-Hydraulic Test-End Beveling-Flatten Test-Seam/ ...