tensile strength seamless carbon steel pipe 1for chemical and heat exchanger 2material:0Cr18Ni9,1Cr19Ni10,00Cr19Ni10,0Cr18NI14 tensile strength seamless carbon steel pipe1. Reference standard : ASTM, JIS, EN,API2. material : 1Cr18Ni12Mo2Ti,A268,A376,A213,A249,A2683. application : a: For heat exchange b: for boiler c: Water delivery 4. advantage :a: without oxidation both outer wall and inner wall ...