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ASTM A668 Class NH Normalized, quenched, and tempered

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Description

Related Standards

Equivalent Materials

Properties

Mechanical

Elongation A50

A50

11 - 13 % at 20 °C

Hardness, Brinell

HB

321 - 402 [-] at 20 °C

Reduction of area

Z

35 - 40 % at 20 °C

Tensile strength

Rm

1100 - 1175 MPa at 20 °C

Yield strength

YS

900 - 965 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

P

0.04 %

S

0.025 %

This material data has been provided by ASTM.

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.