大伪造的装备的戒指

Large Forged Gear Ring SIZE RANGE 1/2" up to 64" Sizes GRADE As per ASTM A182/182M : F304/304L, 304H, F316/316L, 317L, F347/347H, F321, F316Ti, F310, F5, F9, F55, F22, F51, & F53 and equivalent grades as per the JIS Standard and DIN 17440. DIMENSION SPECIFICATION We can supply flanges as per ANSI B15.6, B16.47, B16.36, B16.11, DIN as per the Hand book 15 of Steel Pipeline 1, JIS B2220, BS4504, BS1560, BS10, AWWA, MSS SP44 & 43 and API605. TYPE