ASTM A372 Grade J Class 55, Normalized, Normalized and Tempered, Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper

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Related Standards

This material data has been provided by ASTM.

"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.

Ashby charts

Properties

Mechanical

PropertyTemperatureValue

Elongation A50

20.0 °C

0 - 20 %

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Hardness, Brinell

20.0 °C

0 - 179 [-]

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Tensile strength

20.0 °C

545 - 760 MPa

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Yield Strength Rp0.2, short transverse

20.0 °C

0 - 380 MPa

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Chemical properties

PropertyValue

Carbon

0.35 - 0.5 %

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Chromium

0.8 - 1.15 %

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Manganese

0.75 - 1.05 %

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Molybdenum

0.15 - 0.25 %

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Phosphorus

0 - 0.02 %

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Silicon

0.15 - 0.35 %

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Sulfur

0 - 0.01 %

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