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 …

4140 steel is a low-alloy steel containing chromium, molybdenum, and manganese. It falls under the AISI (American Iron and Steel Institute) classification and is known for its balance of …

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. Also known as chrome-moly steel, …

Dec 18, 2019 · AISI 4140 alloy steel is a chromium-, molybdenum-, and manganese-containing low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and …

Jan 24, 2024 · What Is 4140 Pre-Hardened Steel? This specific grade is a medium carbon, chromium-molybdenum alloy steel with around 0.4% carbon, and it’s sometimes referred to as …

Nov 20, 2025 · 4140 Steel Type: Properties, Uses, and Key Advantages 4140 steel is a highly versatile alloy steel known for its strength, toughness, and hardness. As part of the chrome …

AISI 4140 alloy steel is typically used in aerospace, oil, gas, automo ve, agricultural, and defense industries, specifically gears, sha s, spindles, fixtures, and collars. Product forms include bar, …

Jun 1, 2025 · In this comprehensive guide, we will delve into the factors that influence the hardness of 4140 steel, explore its mechanical properties, and reveal the secrets behind its …

May 17, 2025 · 4140 steel is a versatile alloy steel that is often used in applications requiring high strength and toughness. Its composition typically includes approximately 0.40% carbon, 0.80 …

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 …