Also known as 20# alloy, Carpenter20Cb3, 0Cr20Ni35Mo3Cu4Nb GB, American Standard N08020, Alloy 20cb3, corrosion resistant alloy has many excellent performance, good oxidation and reduction of medium corrosion resistance, excellent resistance to localized corrosion resistance of stress corrosion cracking ability and has corrosion resistance satisfactory in many chemical process medium, including inorganic acid corrosive strong, dry chlorine chlorine and a variety of media, including chloride, formic acid and acetic acid, anhydride, seawater and saline. Characteristics of oxidation resistance of composite medium corrosion reduction . Application of sulfuric acid solution used in the acid environment and containing a halogen ions and metal ions, such as hydrometallurgy and sulfuric acid industry. Jiangsu Juya special steel according to ASME standard and Realization of forging forging, punching, and according to ASTM, GB, HG, JB, DN etc. all flange standard production 1/2-24 inch flange, pressure rating from 150 pounds to 2500 pounds of high level fresh butt welding, welding, blind plate, good welding, integral flanged, socket weld flange, threaded flange, loose flange, splay blind plate, etc. various kinds of special form of discharge ring flange. Our advantage: the company is equipped with 500KG vacuum smelting of 2000KG ESR ingot, and perennial with inventory, we can do the MOQ is one, because of steel ingot standby our fastest delivery time for a week of special alloy, favored by domestic and foreign customers.