Specializing in production of High Pressure Fittings for more than 10 years 1)Size: ... , B16.11,GB/T14383... 4)Material: Stainless steel: (1Cr18Ni9Ti, Cr18Ni9, 0Cr19Ni10, 0Cr17Ni12Mo2Ti, 304, 304L, 316, 316L ,F51,F52,F53,F44,347H,317Letc) Carbon ... steel (20#, ASTM A105, 16Mn, ASTM A403, ASTM ...