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DIN 17350 Grade 102Cr6 Tool Steel – Quenched & Tempered (QT) for High‑Performance Cutting Tools

102Cr6 is an oil-hardening tool steel. It achieves at least 60 HRC in hardened condition. The steel is particularly ductile and wear resistant. Application: smaller up to medium cutting tools, pressure and beading rolls, shear and roll shear cutter, cold roller, drawing mandrels, thread tools, wood and paper machining tools, measuring tools and gages, center punch cone points and similar tools.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.81 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

212 - 212.9 GPa

100.0 °C

207 - 208.11 GPa

200.0 °C

199 - 201.77 GPa

300.0 °C

192 - 194.97 GPa

400.0 °C

184 - 186.79 GPa

500.0 °C

175 - 177.82 GPa

600.0 °C

164 GPa

Hardness, Rockwell C

20.0 °C

60 [-]

Poisson's ratio

20.0 °C

0.28 [-]

100.0 °C

0.29 [-]

200.0 °C

0.29 [-]

300.0 °C

0.3 [-]

400.0 °C

0.3 [-]

500.0 °C

0.31 [-]

Shear modulus

20.0 °C

83.12 GPa

100.0 °C

80.96 GPa

200.0 °C

78.33 GPa

300.0 °C

75.24 GPa

400.0 °C

72 GPa

500.0 °C

68.13 GPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

20.0 °C

1.15E-5 1/K

100.0 °C

1.21E-5 1/K

200.0 °C

1.27E-5 1/K

300.0 °C

1.32E-5 1/K

400.0 °C

1.36E-5 1/K

500.0 °C

1.4E-5 1/K

600.0 °C

1.44E-5 1/K

Melting point

1370 - 1425 °C

Typical for Tool And Machining Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

461 J/(kg·K)

100.0 °C

479 J/(kg·K)

200.0 °C

499 J/(kg·K)

300.0 °C

517 J/(kg·K)

400.0 °C

536 J/(kg·K)

500.0 °C

558 J/(kg·K)

600.0 °C

587 J/(kg·K)

Thermal conductivity

20.0 °C

39.6 W/(m·K)

100.0 °C

41.6 W/(m·K)

200.0 °C

41.8 W/(m·K)

300.0 °C

40.3 W/(m·K)

400.0 °C

38.2 W/(m·K)

500.0 °C

36 W/(m·K)

600.0 °C

33.6 W/(m·K)

Thermal diffusivity

20.0 °C

11 mm²/s

100.0 °C

10.8 mm²/s

200.0 °C

10.1 mm²/s

300.0 °C

9.2 mm²/s

400.0 °C

8.1 mm²/s

500.0 °C

7 mm²/s

600.0 °C

5.7 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

2.63E-7 Ω·m

100.0 °C

3.08E-7 Ω·m

200.0 °C

3.78E-7 Ω·m

300.0 °C

4.66E-7 Ω·m

400.0 °C

5.69E-7 Ω·m

500.0 °C

6.87E-7 Ω·m

600.0 °C

8.26E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.95 - 1.1 %

Chromium

1.35 - 1.65 %

Manganese

0.25 - 0.45 %

Phosphorus

0.03 %

Silicon

0.15 - 0.35 %

Sulfur

0.03 %


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