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Follow on Google News | ![]() One of the leading 4340 round rod suppliers in China-Songshun SteelAs one of the high-quality 4340 round bar suppliers in China, Songshun Steel provides various specifications of 4340 steel.
As one of the leading 4340 round bar suppliers in China, Songshun Steel is the best in terms of quality, testing, service and price. Especially in terms of product quality, we have always adhered to high requirements, high standards and high quality to provide customers with the best 4340 steel. The following are the chemical composition, performance and specifications of 4340 round rods provided by Songshun Steel. 1.Steel Equivalent Equivalent grade of alloy steel 4340 round bar: *China GB /T 3077-1999 standard: GB 40CrNiMoA / GB 45CrNiMoVA *US ASTM A29/A29M-2005 standard: AISI/SAE/ASTM 4340 *German EN 10250-3-1999 standard: DIN 36NiCrMo4/DIN 1.6511 *Japanese JIS G 4053-2003 standard: JIS SNCM439 2.Performance Characteristics It is very critical for 4340 round rod suppliers to ensure that it has excellent performance, which is an important criterion for determining product quality. (1) High strength and high hardness: After quenching and tempering, 4340 steel obtains higher hardness and has excellent yield strength, tensile strength and fatigue resistance. (2) Good wear resistance and toughness: The high hardness of 4340 steel round bar provides it with better wear resistance, and it also has good toughness and fracture toughness, which can maintain stable performance in extreme working environments and effectively prevent friction, wear, fracture and rupture. (3) Outstanding hardenability and stability against overheating: In Songshun, as one of the leading 4340 round bar suppliers in China, we ensure the quality of our products, continuously improve production efficiency, reduce costs, and provide you with the most competitive prices. And we have our own processing plant, providing various processing services, as well as a large warehouse, with the ability to meet large batch orders and deliver on time. It can also respond to customer needs in a timely manner and provide a full range of pre-sales, sales and after-sales services, and can respond and handle quickly. End
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