Specification: Seamless:O.D 1.5mm---450mm WT 0.15mm---55mm Weld: O.D 6.5mm---2000mm WT 0.5mm---40mm Standard: ASTM A312ã??ASTM A213ã??ASTM A269ã??ASTM A511 ASTM A789ã??ASTM A790 JIS3463ã??JIS3459ã?? DIN2462ã??DIN17458ã??DIN17456 Material: 304(0Cr18Ni9)/304L(00Cr19Ni10) 321(1Cr18Ni9Ti)/321H(0Cr18Ni10Ti) 310S(0Cr25Ni20)/347H(0Cr19Ni11Nb)/2205(S31803) 316(0Cr18Ni12Mo2)/316L(00Cr17Ni14Mo2)/316Ti(0Cr18Ni12Mo2Ti) 317L(00Cr19Ni13Mo3) TP410 TP420 etc.