1, size of 4340 alloy steel Round bar Diameter(mm) length (mm) 20~800 3000~9000 Plate Thickness(mm) width (mm) length (mm) Max:800 max:2200 max:9000 The specification can be customized. 2, chemical compositons C si mn p s cr mo ni 0.38-0.43 0.15-0.35 0.60-0.80 â?¤0.035 â?¤0.040 0.70-0.90 0.20-0.30 1.65-2.00 3, features of 4340 alloy steel 1, chromium molybdenum alloy steel; 2, high strength and toughness; 3, good stability of hardenability and anti-overheating; 4, good high tensile strength with shock resistance. 4, typical applications 1, heavy machinery and high-load of shaft; 2, rotor shaft and blades; 3, special performance requirements of the vital parts after nitriding treatment. Songshun company introduction Located in chang'an town - the famous town of mould in pearl river delta; Providing complete services from manufacturing and marketing to distributing; Steel exported all over the world; Service like peeling, milling, grinding, cutting and heat treatment etc... All steel must pass high quality detection; -
