Dongguan songshun mould steel CO., LTD. as China's largest steel wholesaler, Main Steel has: 4140 steel, D2 steel, 4130 steel, H13 steel, P20 steel, AISI 4340 steel, 1.2738 steel, 1.2379 steel, 1.2344 steel, 1.2080 steel etc.. You can learn more about our products by our official website. If you are interested in our products, please contact us by email. We hope to establish long-term cooperation relationship with you. songshun1503 Steel Grade: Chromium, molybdenum alloy steel Standard: AISI, ASTM, BS, DIN, GB, JIS Dimensions: diameter:20~900mm Place of Origin: Guangdong, China (Mainland) Brand Name: SONGSHUN Model Number: 4340 Technique: forged or hot rolled Application: Structural Steel Bar Alloy Or Not: Is Alloy Special Use: Mold Steel Type: Alloy Steel Bar Name: 4340 high strength alloy structural steel round bar Condition of surface: black, peeled, machined, milled, turned Similar models: ASTM O2 or GB 9Mn2V Technique: forged or hot rolled Surface Treatment: BlackMachined surface Certificate: ISO9001, Ultrasonic Test MOQ: 20Tons Service: Professional consulting online Density: 7.85tm^3 Shape: plateflat barround barsheet