ASTM, api, GB, jis, din, En, A106-2006 ASTM, A53-2007 ASTM, BS 1387, Ban en10219, Ban en10217, Din 1629/3, Din 1629/4, Din 17175, Din 2448, GB 3087-1999, GB/T 3091-2001, GB/t3901, Api, API 5L, G3454-2007 JIS, G3455-2005 JIS
seamless steel pipe 20G for high pressure steam boiler pipe
1.Standard Packing in bundles with steel strips or wrapped by PP cloth as required by customers
2.As per customer's requirements