welded black carbon square rectangular steel pipe and tubes
3.In the aspects of preventing steel pipe bumping, scratching, cratering, flattening, pipe deformation, raining, etc., standardization operations have been established and strictly implemented to ensure that the quality of the process of storage and transportation of steel pipes is effectively controlled. Black carbon steel tube. Product
ERW steel square tubing standard sizes,pre zinc coated square galvanized steel pipe 4 tube; Galvanized rectangular pipe cold rolled pre galvanized welded square/rectangular steel pipe /tube; ASTM A53 Gr.B ERW Schedule 40 carbon steel pipe used for oil and gas pipeline; Carbon steel pipe elbow national standard elbow 90 degree seamless welded Sturdy, Stainless carbon welded square pipe for Industry Carbon steel hot rolling q195 q215 q235 q345 welded seamless mild carbon steel pipe/black steel pipe square/rectangular tube US $580.00-$600.00 / Ton 2.0 Tons (Min. Order)
China factory MS erw welded hot rolled black carbon square rectangular hollow section steel pipe tube US $510.00-$840.00 / Metric Ton 2 Metric Tons (Min. Order) Black Carbon Welded Steel PipeE, Square & Rectangular Black Carbon Welded Steel Pipe, Square & Retangular Tube means Electric Resistance Welded Pipes and the raw material is carbon steel, mainly character is the welding beam is smooth, two end no burr, hardness is very strong, so some special material can be use for machine components.