SAE4340

SAE4340 is a high-strength, low-alloy steel known for its outstanding toughness, strength and fatigue resistance, and is particularly suitable for applications such as aerospace, oil and gas, and the automotive industry. This material has excellent mechanical properties and wear resistance, and is often used to manufacture high-strength, high-wear-resistant parts, such as crankshafts for aircraft engines and gears for automotive transmissions. The development trend of SAE4340 steel focuses on improving material properties and production process improvements, while paying attention to environmental protection and sustainable development. This alloy steel plays an important role in the fields of aviation, automobiles, and energy due to its excellent performance and wide application prospects.