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GB/T 3078 Grade 45B quenched, tempered
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Description
Primary standard name
Equivalent standard names
Properties
Mechanical
Hardness, Brinell HB
229 [-] at 20 °C
Chemical properties
Element
Weight %
Comment
Mn
0.6 - 0.9 %
C
0.42 - 0.49 %
Si
0.17 - 0.37 %
B
5E-4 - 3.5E-3 %
S
0 - 0.04 %
Technological properties
Processing history
quenched, tempered
This material data has been provided by MetalInfo.
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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