... :TP304/304L, TP316/316L TP321/321H, TP347/347H Standard:ASTM A213, A269, A312; JISG3459, JISG3463; DIN17456, DIN17458 Available Size:OD: 4 ... , SAE1025, SAE1035, ST37, ST44, ST52, ect. Standard:A519, A53, A106, A213; API5L; JISG3452, JISG3454, JISG3441, JISG3444, JISG3461, JISG3462; DIN17175, DIN1629; BS3059Available ...