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4140 heat treat recipe. Its composition typically includes approximately 0.
- 4140 heat treat recipe. Its ability to withstand high stress and corrosion makes it ideal for high-stress applications. SAE 4140 (AISI 4140 steel) is a Cr-Mo series (Chrome molybdenum series) low alloy steel, the material has high strength and hardenability, good toughness, small deformation during quenching, high creep strength and long-lasting strength at high temperature. 80-1. Also known as chrome-moly steel, they are used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. May 17, 2025 · 4140 steel is a versatile alloy steel that is often used in applications requiring high strength and toughness. " The chromium in the alloy adds good hardness penetration, and the molybdenum boosts hardenability and strength. It falls under the AISI (American Iron and Steel Institute) classification and is known for its balance of strength, toughness, and hardness. 15-0. Apr 1, 2025 · 4140 steel is classified as a low-alloy steel, specifically the chromium-molybdenum (Cr-Mo) steels. Jan 24, 2024 · What Is 4140 Pre-Hardened Steel? This specific grade is a medium carbon, chromium-molybdenum alloy steel with around 0. SAE 4140 (AISI 4140 steel) is a Cr-Mo series (Chrome molybdenum series) low alloy steel, the material has high strength and hardenability, good toughness, small deformation during quenching, high creep strength and long-lasting strength at high temperature. Jul 24, 2025 · 4140 is a chromium-molybdenum alloy steel under the AISI (American Iron and Steel Institute) designation system. These steels are distinguished by their enhanced mechanical properties, which are achieved through the addition of alloying elements like chromium and molybdenum. Known for its excellent strength, toughness, and wear resistance, it’s a go-to material in automotive, oil & gas, die-making, and heavy machinery industries. 4140 steel is a low-alloy steel containing chromium, molybdenum, and manganese. Here we talk about different aspects of SAE 4140, including its chemical composition, mechanical properties, equivalent materials, and applications. These alloying elements significantly enhance the material’s properties compared to plain carbon steel. . 25% molybdenum. 10% chromium, and 0. 40% carbon, 0. Jul 30, 2025 · 4140 steel is one of the most versatile and widely used steel grades in the current market due to its strength, toughness, and wear resistance. Apr 19, 2024 · 4140 steel, also known as chrome-moly steel, is a type of low-alloy steel – it’s composed primarily of iron, carbon, and manganese, with key additions of chromium and molybdenum. It belongs to the AISI/SAE A29 standard. Nov 26, 2023 · SAE 4140 steel is a versatile and widely used alloy steel known for its impressive strength and toughness. 4% carbon, and it’s sometimes referred to as “chromoly. Dec 18, 2019 · AISI 4140 alloy steel is a chromium-, molybdenum-, and manganese-containing low alloy steel. Its composition typically includes approximately 0. Often called ETD- 150, these rods are made from a modified version of 4140 alloy steel and have been drawn at high temperatures for excellent strength. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. wqp nx4 b1w dywh 3such 1z y9b1 f7e2qe t8lyoy d45ogr