SAE J438b Grade L7

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Related Standards

Equivalent Materials

This material data has been provided by SAE.

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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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

7.72 - 8 g/cm³

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Typical for Tool And Machining Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

203 - 211 GPa

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Typical for Tool And Machining Steel

Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Tool And Machining Steel

Shear modulus

23.0 °C

79 GPa

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Typical for Tool And Machining Steel

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1E-5 - 1.3E-5 1/K

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Typical for Tool And Machining Steel

Melting point

1370 - 1425 °C

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Typical for Tool And Machining Steel

Specific heat capacity

23.0 °C

420 - 460 J/(kg·K)

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Typical for Tool And Machining Steel

Thermal conductivity

23.0 °C

17 - 42 W/(m·K)

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Typical for Tool And Machining Steel

Chemical properties

PropertyValue

Carbon

0.95 - 1.05 %

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Chromium

1.25 - 1.75 %

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Manganese

0.25 - 0.45 %

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Molybdenum

0.3 - 0.5 %

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Silicon

0.2 - 0.4 %

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