بلوج

Introduction 4140 steel is a high-carbon chromium-molybdenum alloy steel that provides an excellent combination of strength, toughness, and wear resistance. It is commonly used in applications that require high strength and fatigue resistance such as gears, shafts, Pins, axles, fasteners,…

Introduction 4140 steel is an alloy steel that provides an excellent combination of strength, toughness, and wear resistance. It is widely used for applications requiring high fatigue strength such as structural components, heavy equipment parts, axles, and aircraft landing gear.…

Introduction Shot peening is an effective cold working process used to significantly improve the fatigue life of 4140 alloy steel components subjected to cyclic stresses. By imparting beneficial compressive residual stresses into the surface layer of parts, shot peening enhances…

Introduction The hardness of 4140 alloy steel is one of its most important properties, as it determines wear life, strength, and suitability for specific applications. Hardness is developed through proper heat treatment – quenching and tempering. Selecting the optimal hardness…

Introduction 4140 alloy steel possesses an exceptional combination of high strength and good weldability, making it an extremely versatile low alloy steel for a wide range of applications. The optimized chemistry and heat treatability of 4140 provide both high hardness…