... . 2)ASTM A105,DIN ST37.2,ASTM A182-F304 F304L 3)ANSI B16.5,BA105,DIN ST37.2, ASTM A182- F304 F304L ... ,F316L,F321 ,ASTM A350 ,ASTM A181, Q235, 20#, 20Mn3)Rating : ANSI 150LBS - 2500LBS DIN PN6 - PN160 JIS 5K - 30K HG PN0 ... DN2000)5)Special designavailable as the requirements of customer6)Standard: ANSI B16.5, B16.47, MSS, SP-44, AWWA, API, DIN ...