
Popular AISI 4140 Alloy Steel Round Bar. Versatile Alloy Composition: Contains chromium, molybdenum, and manganese for high toughness and fatigue strength. High Impact Resistance: Excellent abrasion and impact resistance suitable for demanding industrial applications. Wide Industry Application: Ideal for aerospace, oil and gas, automotive, agricultural, and defense sectors. Precise Mechanical Properties: Tensile strength of 655 MPa and yield strength of 415 MPa ensure structural integrity. Customization from Samples: Available for customization based on specific customer provided samples. Customization from Designs: Available for customization based on specific customer provided design drawings. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, and Western Union for secure transactions. Fast Lead Time: Average lead time is one month for both peak and off-peak seasons.