Leading Supplier of AISI 52100 Steel (High Carbon Chromium Bearing Steel) in Delhi & Across India

Certified AISI 52100 Steel in Delhi – High Hardness, Wear Resistance, Bearing Quality & Cut-to-Size | Trusted AISI 52100 Steel Supplier in India

At Jupiter Steels, we supply certified AISI 52100 steel (bearing steel) in bulk and cut-to-size, with Pan India delivery across Delhi, Mumbai, Pune, Chennai, Hyderabad, Bangalore, Ahmedabad, Kolkata and more—your trusted AISI 52100 steel supplier in India.

AISI 52100 Steel Supplier in India | Your Partner for High-Performance Bearing Steel

AISI 52100 steel is a versatile and high-performance high carbon chromium bearing steel renowned for its exceptional hardenability and wear resistance. It is the go-to material for a wide variety of bearing and mechanical components due to its ability to achieve a very high hardness while maintaining good toughness. At Jupiter Steels, based in Delhi, we are a trusted stockist and supplier of AISI 52100 steel, providing top-quality material to customers throughout India, including key industrial regions like Manesar, Haryana, and beyond.


The outstanding properties of 52100 steel are a direct result of its carefully controlled chemical composition. The key alloying elements and their typical weight percentages are:

  • Carbon (C): 0.95 – 1.05%
  • Chromium (Cr): 1.30 – 1.60%
  • Manganese (Mn): 0.25 – 0.45%
  • Silicon (Si): 0.15 – 0.35%
  • Phosphorus (P): ≤ 0.025%
  • Sulfur (S): ≤ 0.025%

  • Carbon (C): The high carbon content is the primary reason for AISI 52100’s high hardness and strength. When heat-treated, the carbon combines with chromium to form very hard carbides.
  • Chromium (Cr): Chromium is the key alloying element in this steel. It significantly increases hardenability, allowing the steel to achieve uniform hardness even in large sections. It also contributes to its excellent wear resistance and high-temperature properties.

After heat treatment, AISI 52100 steel can achieve a very high working hardness, typically in the range of 60-64 HRC. This high hardness is essential for its function in bearing and wear applications.

  • Superior Wear Resistance: The high carbon and chromium content result in a high volume of carbides, giving the steel exceptional resistance to abrasive and rolling contact wear.
  • High Strength: It offers high tensile strength and fatigue strength, making it ideal for components under heavy loads.
  • Good Machinability: In its annealed condition, it can be easily machined into complex shapes.

52100 bearing steel is a versatile grade used for a wide range of mechanical and structural components. Key applications include:

  • Ball and Roller Bearings
  • Bearing Raceways and Rolls
  • Gauges and Bushings
  • Tooling for cold forming and coining
  • Knives and Blades requiring exceptional edge retention

As a premier steel stockist in India, Jupiter Steels is your reliable partner. We are committed to providing you with top-notch materials and service.

  • Certified Quality: We supply high-quality, genuine AISI 52100 steel that meets international standards. Our reputation for excellence is a promise to our customers.
  • Nationwide Supply Chain: While based in Delhi, our robust logistics network allows us to provide high-quality steel to customers across India, including Haryana, Manesar, Rajasthan, and other industrial areas.
  • Expert Guidance: Our team has extensive knowledge of different steel grades. We don’t just sell steel; we provide expert advice to help you select the right material for your specific application.

Q1: What is AISI 52100 steel used for?

A: AISI 52100 is primarily used for bearings and other components that require high hardness and superior wear resistance, such as rollers, gauges, and bushings.

Q2: How does 52100 steel differ from mild steel?

A: 52100 steel has a much higher carbon and chromium content, giving it significantly higher strength, hardness, and wear resistance compared to mild steel.

Q3: Is 52100 suitable for hot work applications?

A: No, AISI 52100 is designed for high-wear applications at room temperature. It is not designed for high-temperature service and would lose its hardness in hot work conditions.


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