Keywords: GB T-3077 40CR Round bar, 40CR Bearing steel, 40CR round bar
Standard: AISI/ASTM/BS/DIN/GB/JIS
Grade: 40Cr SCr440
Diameter: 18mm-60mm
Length: 5.8m 6m 9m 12m
40Cr Steel Chemical Composition:
|
Grade
|
C
|
Si
|
Mn
|
S
|
P
|
Cr
|
Ni
|
Cu
|
Mo
|
|
40Cr
|
0.37-0.44
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
≤0.15
|
40Cr Steel Application:
Used in making gear, the sleeve, spindle, crankshaft, spindles, pins, rods, screws, nuts, inlet valve.