... :P1, P2, P5, P9, P11, P12, P21, P22, P91, P92 Seamless Alloy-Steel Pipe 34CrMo4Standard: ASTM A335Steel Gr.: P1, P2, P5 ... , 12CrMo195 BS3059: 360, 440, 460, 620 JIS G3458: STPA12, STPA20, STPA22, STPA23, STPA24, STPA25, STPA26 JIS G3462: STPA12, STBA13, STBA20, STBA22, STBA23 ... -12m, also can be manufactured by customers' requirements 7/ Type: Seamless 8/ Type of ends: Plain ends or bevel ends 9 ...