API 5L ASTM A53 Standard Carbon Welded ERW Steel Pipe

API 5L ASTM A53 Standard Carbon Welded ERW Steel Pipe ERW Steel Pipe-Electric Resistance Welded Steel Pipe is made of hot-rolled steel coils/sheets that have been put in a process know as cold roll forming. Used for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturing, etc. Straight seam submerged arc welded pipe is a material formed by JCOE steel pipe. Product specification: Product : ERW Steel Pipe OD 21.3mm -660mm W.T 1mm-20mm LENGTH 0.5mtr-22mtr Surface Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement Certificate API 5L PSL1/ PSL2 Standard ASTM 5L, ASTM A53, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217 Quality Management We have always been inspecting and monitoring the quality through process at control points and conducting strict inspections at every step, resulting to its high-quality products in line with world standards and customers request. raw material inspection:dimension and tolerance check, appearance quality check, mechanical properties testing, weight check and raw materials quality assurance certificate check semi-finished goods inspection:physical and chemical inspection, leakage magnetism and ultrasonic inspection finished goods inspection:dimension and tolerance, appearance quality check and mechanical properties testing inspection before ex-factory:We arrange our QC staff to manufacture’s plant for final quality and packing inspection each time before we deliver goods to port for shipping, and the connected sales staff will be with QC staff to make sure we did everything fully and strictly meet customer’s requirements.