DIN 1.3505 Material 100Cr6 Bearing Steel Equivalent, Composition, Properties, Hardness


100Cr6 Steel (EN 1.3505 Material)

DIN EN 1.3505 material (100Cr6 steel) is an ISO and European EN standard alloy bearing steel grade. It has good toughness, good tempering stability, and small deformation during heat treatment. After quenching and tempering, 100Cr6 material has high hardness and uniformity, good wear resistance and high contact fatigue strength.

Datasheet & Specification

The table below shows the 100Cr6 material datasheet including chemical composition and mechanical properties.

Chemical Composition

Datasheet 1, The following table shows the chemical composition of 100Cr6 bearing steel.

Chemical Composition (Cast Analysis), %
Country / Region Standard Steel Grade (Steel number) C Si Mn P, ≤ S, ≤ Cr Mo, ≤ Cu ≤ O, ≤ Al, ≤
ISO ISO 683-17 100Cr6 (1.3505) 0.93-1.05 0.15-0.35 0.25-0.45 0.025 0.015 1.35-1.60 0.10 0.30 0.0015 0.050
European Union EN ISO 683-17
Germany DIN EN ISO 683-17


The following table shows the 100Cr6 properties, including physical and mechanical properties.

Mechanical Properties

Datasheet 2, material 100Cr6 mechanical properties for reference only.

Mechanical Properties (For reference only)
Steel Name (Steel Number) Tensile Strength (MPa) Yield Strength (MPa),  ≥ Elongation (%, ≥) Diameter (mm)
100Cr6 (1.3505) 1080-1470 835 9 10
830-1130 590 10 30

100Cr6 Material Brinell Hardness:

  • ≤207 HBW (Annealed to achieve spheroidized carbides);
  • ≤241 HBW (Annealed to achieve spheroidized carbides and cold worked)

Physical Properties

Data sheet 3, DIN EN 1.3505 physical properties

Physical Properties
Density (g/cm3) 7,8
Specific heat capacity in J/(Kg·K) 460 at 20℃
Electrical resistance (μΩ·m) 0.19 (20℃)
Modulus of elasticity (GPa) 210
Thermal conductivity in W/(m·K) 33,0 (20 ℃)
32,2 (350 ℃)
31,4 (700 ℃)
Thermal expansion coefficient (10-6/K) 12,3 (20-100℃)
13,4 (20-200℃)
13,8 (20-300℃)
14,1 (20-400℃)

Heat Treatment

Hardening temperature: 830-870 ℃, quenching media: oil.

Tempering temperature: 150-180 ℃.

Equivalent Grades

DIN EN 1.3505 steel, 100Cr6 material equivalent to US ASTM AISI SAE, Japanese JIS, and Chinese GB standard.

100Cr6 steel equivalent (For reference)
European Union ISO US Japan China
Standard Grade (Steel number) Standard Grade (Steel number) Standard Grade Standard Grade Standard Grade
EN ISO 683-17 100Cr6 (1.3505) ISO 683-17 100Cr6 (1.3505) AISI SAE, ASTM A295/A295M 52100 JIS G 4805 SUJ2 GB/T 18254 GCr15

Related Material: 1.4310 (X10CrNi18-8), 1.4462 Duplex Stainless Steel (X2CrNiMoN22-5-3), 1.4404 X2CrNiMo17-12-2 Stainless Steel, 42CrMoS4 (1.7227)

1 Comment
  1. Jelmer says

    What is the source / biography for the information in Datasheet 2?

    Hoping someone can give me that information:)

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