EN 1562 Grade GJMB-650-2 not decarburized annealed

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Material EN-GJMB-650-2 (former GTS-65-02 nach DIN 1692-82) is an all-black malleable cast iron which is used for camshafts, wheel hubs, spring brackets, harrow tines, wire fasteners, swivel bearings, wheel follower, rotary pistons for Wankel engines as well as for swivel heads.

Related Standards

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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20.0 °C

7.2 - 7.5 g/cm³

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Elastic modulus

20.0 °C

175 - 195 GPa

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Hardness, Brinell

20.0 °C

210 - 260 [-]

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Poisson's ratio

23.0 °C

0.27 [-]

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Typical for Cast Iron

Shear modulus

23.0 °C

41 GPa

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Typical for Cast Iron

Tensile strength

20.0 °C

650 MPa

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Yield strength Rp0.2

20.0 °C

430 MPa

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Melting point

1120 °C

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Typical for Cast Iron

Specific heat capacity

20.0 °C

460 - 500 J/(kg·K)

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Thermal conductivity

20.0 °C

50 - 63 W/(m·K)

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Electrical resistivity

20.0 °C

3E-7 - 4E-7 Ω·m

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Chemical properties



2.3 - 2.6 %

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0.4 - 0.5 %

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1.2 - 1.5 %

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0.1 - 0.15 %

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