708M40 is a chromium-molybdenum alloy steel with high tensile strength and good wear resistance. It is suitable for heavily stressed engineering applications.
708M40 is a chromium-molybdenum alloy steel with high tensile strength and good wear resistance. It is suitable for heavily stressed engineering applications.
Applications
Used for axles, gears, shafts, studs, crankshafts, and heavy-duty machinery parts.
Chemical Composition (%)
C
Mn
Si
Cr
Mo
S
P
0.36-0.44
0.60-0.90
0.10-0.35
0.90-1.20
0.15-0.30
0.040 max
0.040 max
Mechanical Properties
tensile_strength
850-1000 MPa
yield_strength
650-850 MPa
elongation
10-16%
hardness
248-302 HB
Active BS 970:1991 708M40 Listings on M-EX
No active BS 970:1991 708M40 listings at this time.