
Round Bar Chrome Plated Rod AISI 4140 Steel Annealed Forging Hot Rolled Steel. 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 oilfield applications. Wide Industry Application: Used in aerospace, automotive, agricultural, and defense industries for gears and shafts. Precise Mechanical Properties: Tensile strength of 655 MPa with yield strength of 415 MPa for structural reliability. Excellent Machinability: Good machinability in annealed condition with 65% efficiency based on AISI 1212. Customization Services: ODM and OEM services available with customization from samples or designs. Multiple Surface Options: Available in polished or other surface treatments to meet specific requirements.