... , 316/316L, 316Ti, 321/321H, 309S, 310S, 347/347H,31803 Outside diameter range from 3 mm to 219mm. Wall thickness range ... 3.1B Value added service:Third party inspectionBright annealed, polished outside and inside surfaceStandardItemASTM A213/A213MASTM A312/A312MGradeTP304TP304LTP304TP304LTP316TP316LTP316TP316LTP317TP317LTP317TP317LTP347TP310STP347TP310STP309H*TP310H*TP317*TP310H* TP321H ...