We can manufacture spiral steel pipe with good quality as per API5L,GB,JIS,DIN ASTM, BS and other standard as per your request. 1.Commodity NameSSAW/Spiral Welded steel pipes2.StandardAPI5L, ASTMA252, ASTMA139, ASMEB36.10,AWWAC200, EN10217,EN10219,EN10224,EN10025; SY/T5037,SY/T5040,GB/T9711.1/9711.2,API 5L, GB/T3091Anticorrosive coating:AWWAC205,AWWAC210,AWWAC222,AWWAC2143.Outer Diameter219.1— ...