CV Joint Flange, which is made of medium carbon steel, is Zeiss CMM,  Flange, also known as Flange Flange or Flange, the material can include:

Carbon steel (WCB), LCB (low temperature carbon steel), LC3 (3.5% nickel steel), WC5 (1.25% 0.5% chrome molybdenum steel), WC9 chromium (2.25%), C5 (0.5% 5% chromium molybdenum), C12 (9% 1% chromium molybdenum), CA6NM (4 (12% chromium steel), CA15 (4) (12% chromium), CF8M (3 16 stainless steel), CF8C(347 stainless steel), CF8(304 stainless steel), CF3(304L stainless steel), CF3M(316L stainless steel), CN7M(alloy steel), M35-1(Monel), N7M(Hastert nickel alloy B), CW6M(Hastert nickel alloy C), CY40(Inke nickel alloy), etc.

According to the connection flange connection types can be divided into: plate flat welding flange, with flat welding neck flange, butt welding neck flange, socket welding flange, threaded flange, flange cover, with neck butt welding ring flange, ring flat welding flange come loose, ring groove surface flange, flange cover, large diameter plate flange, large diameter high blind flange, butt welding neck flange, eight words ring flange, etc.