100CrMo7-4 / 1.3537 Bearing Steel

Steel circle delivery forms100CrMo7 / 1.3537/ ШХ20М

Steel circle 1.3537/ SHKH20M

Steel circle 1.3537/ SHKH20M is a bearing steel with enhanced chromium and molybdenum content, providing high wear resistance, hardness, and strength. Due to its properties, this material is ideal for manufacturing bearings, machine components, and tools that operate under high loads.

General Technical Characteristics

Key properties of Steel circle 1.3537/ SHKH20M:

• Hardness after heat treatment: 58-63 HRC
• Tensile strength: 2000-2200 MPa
• Yield strength: 1700-1900 MPa
• Operating temperature: up to 300°C
• Excellent wear resistance

Applications of Steel 100CrMo7 

Due to its high-performance characteristics, 1.3537 is widely used in the production of:

• Rolling bearings – ball, roller, and needle bearings.
• High-load machine parts – bushings, axles, shafts.
• Cutting and stamping tools, exposed to friction and impact loads.
• Automotive and industrial components, requiring increased hardness and wear resistance.

Key Features of Steel 100CrMo7 (1.3537 / ShKh20M)

✅ High wear resistance – thanks to its high chromium and molybdenum content.
✅ Fatigue resistance – ensures a long service life for components.
✅ High hardness after quenching – up to 63 HRC, increasing durability.
✅ Optimal mechanical properties – a balance of hardness and impact toughness.

Chemical Composition of Steel 100CrMo7 (ShKh20M)

The special composition provides high strength and load resistance:

• Carbon (C): 0.95-1.10%
• Chromium (Cr): 1.80-2.10%
• Molybdenum (Mo): 0.20-0.35%
• Manganese (Mn): 0.25-0.50%
• Silicon (Si): 0.15-0.35%
• Phosphorus (P) and Sulfur (S): ≤ 0.025%

Mechanical Properties of Steel 100CrMo7

• Yield strength: 1700-1900 MPa
• Elastic modulus: 210 GPa
• Elongation: 8-12%
• Impact toughness: 35-45 J/cm²

Advantages of Steel circle 1.3537/ SHKH20M

✔ High strength and durability – ideal for components operating under extreme conditions.
✔ Optimal balance of hardness and impact resistance – ensuring deformation resistance.
✔ Excellent wear resistance – suitable for bearing and machine part manufacturing.
✔ Good machinability – suitable for grinding, polishing, and heat treatment.

This steel is a perfect choice for producing bearings, high-strength components, and tools designed for demanding working conditions.