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GB/T 3078 Grade 45 cold-dravn

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Description

Primary standard name

Equivalent standard names

Properties

Mechanical

Hardness, Brinell HB

255 [-] at 20 °C

Reduction of area Z

30 % at 20 °C

Tensile strength Rm

635 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Mn

0.5 - 0.8 %

C

0.42 - 0.5 %

Si

0.17 - 0.37 %

S

0 - 0.04 %

P

0 - 0.04 %

More

Technological properties

Processing history

cold-dravn

This material data has been provided by MetalInfo.

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.