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6150 steel is a medium-carbon alloy steel known for its excellent combination of strength, toughness, and wear resistance. It is primarily alloyed with chromium and vanadium, which enhance its hardenability and overall mechanical properties. The steel is classified as a spring steel, designed to exhibit superior elasticity, strength, and fatigue resistance, making it ideal for applications requiring high levels of mechanical stress and impact resistance. 6150 steel is characterized by its high tensile strength, good ductility, and excellent toughness, making it suitable for applications that require high performance under dynamic loads. The steel can be heat-treated to achieve various hardness levels, further enhancing its suitability for demanding applications. The alloy’s ability to withstand high impact and stress makes it an ideal material for various industries, including automotive, aerospace, and heavy machinery. Its toughness and wear resistance ensure the longevity and effectiveness of components exposed to stress, vibration, and shock.

UNS # G61500
AISI # 6150

ASTM A829

Physical
Specific Gravity - 7.85
Density - 0.2835 lb/in³

Standard
Hot Rolled
Annealed
Flattened
Cut Ends

Carbon 0.48 – 0.53%

Chromium 0.80 –1.10%

Manganese 0.70 – 0.90%

Phosphorus 0.030% Max

Silicon 0.15 – 0.35%

Sulfur 0.040% Max

Vanadium 0.15%