347H
ASTM A312
steel pipe
GRADE:TP304/304L/H/LN, TP309/310/S, TP316/316L, TP317/317L, TP321/321H, TP347/347H, TP316Ti, TP904L, S31803, S32750, SAF2205, SAF2507, SAF2520, 1.4301, 1.4306, 1.4401, 1.4404, 1.4833, 1.4845, 1.4571, 1.4438, 1.4541, 1.4550, 1.4539, 1.4462 1.4410, 12X18H10T, 08X18H10T. AND SO ON