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GB/T 3077 40Cr Alloy Structure steel plate
GB/T 3077 40Cr Alloy Structure steel plate
40CR alloy steel Annealing delivery hardness less than 250HB. 40CR with a lower carbon content range, So GB 40CR alloy steel have good weld ability.
40Cr steel Chemical Composition:
40Cr Chemical Composition |
|||||
Grade |
The Element Max (%) |
||||
C |
Si |
Mn |
Cr |
Mo |
|
40Cr |
0.37-0.44 |
0.17-0.37 |
0.50-0.80 |
0.80-1.10 |
|
40Cr steel Mechanical Property:
Grade |
40Cr Mechanical Property |
|||
Thickness |
Yield |
Tensile |
HB |
|
40Cr |
mm |
Min Mpa |
Mpa |
HB |
6-50 |
785 |
980 |
207 |
|
50-200 |
785 |
980 |
||
40CR alloy steel Application:
GB/T 3077 40CR steel is widely used for a variety of applications in the used in the auto motive and engineering industries for tool holders and other such components. Typical applications such as valve bodies, pumps and fittings, Shaft, the high load of wheel, bolts, double-headed bolts, gears, etc.