Cangzhou Bohai Tube Co. wholesale 20 # flange diameter flange is a flange, generally used and popularized in the machinery industry, users get the praise and favor. Extensive use of large-diameter flange 20 # flange, range determined WN20 # flange according to different characteristics, used under conditions of relatively mild case of media, such as low-pressure non-compressed air purification, low circulating water, it has the advantage the price is cheaper. Large-diameter flange for nominal pressure of not more than 2.5MPa of pipe connections, large-diameter flange sealing surface can be made smooth style, bump-type and tenon slot three Cangzhou Bohai Pipe Fittings Co., flange according making Material can be divided into: WCB (Carbon), LCB (low carbon steel), LC3 (3.5% nickel steel), WC5 (1.25% Cr 0.5% Mo steel), WC9 (2.25% Cr), C5 (5% Cr% molybdenum), C12 (9% Cr 1% Mo), CA6NM (4 (12% chromium steel), CA15 (4) (12% Cr), CF8M (316 stainless steel), CF8C (347 stainless steel), CF8 (304 stainless steel) , CF3 (304L stainless steel), CF3M (316L stainless steel), CN7M (steel), M35-1 (Monel), N7M (hastelloy B), CW6M (Hasta nickel alloy C), CY40 (due Inconel) 20 # flange welded, professional forging (online consultation), Weihai 20 # Flange Co. provided by Cangzhou Bohai pipe Cangzhou Bohai Pipe Fittings Co., Ltd. (www.czbh628.com) (www.hbbh628.com) is an industry leader in Cangzhou, Hebei, three, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs in Cangzhou Bohai leadership with the staff warmly welcome all inquiries negotiations to create Cangzhou Bohai better future.