... 4.Application:boiler,transportation, struction 5.Cert.: ISO -------------------------------------------1. 1 8 stainless steel pipe2.O.D.:6mm~2220mm3.W ... Group deal with all kinds of steel pipes like following:1. seamless steel pipe (A53, A106, API 5L, A179 ... SUS347,SUS329J1, SUS329J3GermanX5CrNi18-10(1.4301), X2CrNi19-11(1.4306), X6CrNiTi18-10(1.4541), X5CrNiMo17-12-2(1.4401)4Out Diameter6mm~2220mm5Wall ...