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45B

45B

45B Alloy Steel

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45B Alloy Steel





Material Name


Material Name: 45B
Execution standard: GB/T 3077-1999

Chemical Composition


■Chemical Composition(％)





C Si Mn Mo
 B
 P S Cu
 Cr
 Ni
 Mo
0.42-0.49 0.17-0.37 0.6-0.9 0.3-0.4
 0.0005-0.0035
 Max 0.035 Max 0.035 max 0.3
 Max 0.3 Max 0.3
 Max 0.15

Physical Properties

■Characteristic





Tensile strength
/MPa 		Yield strength
/MPa
 Elongation of cross section
/％
 Reduction of cross section
/％
 ballistic work
Akv (J)l
 Hardness
(HB)

Above 835
Above 685
Above 12
Above 45
Above 47
Below 217