Nickel-chromium alloy structural steel with improved toughness, hardenability and fatigue resistance. Used in demanding engineering and transmission applications.
Nickel-chromium alloy structural steel with improved toughness, hardenability and fatigue resistance. Used in demanding engineering and transmission applications.
Applications
heavy-duty gears, transmission shafts, axles, high-strength fasteners, forged machinery parts
Equivalent / Similar Grades
Grade
Standard
Region
40NiCr6
DIN
Germany
AISI 3140
AISI
USA
SNC236
JIS
Japan
Chemical Composition (%)
C
Si
Mn
S
P
Cr
Ni
Cu
0.36-0.44
0.17-0.37
0.50-0.80
<=0.035
<=0.035
0.45-0.75
1.00-1.40
<=0.30
Mechanical Properties
tensile_strength
980-1180 MPa
yield_strength
>=785 MPa
elongation
>=10%
hardness
241-285 HB
Typical Available Sizes
Round Bar
16-300 mm dia
Flat Bar
20-250 mm width
Sizes are indicative. Contact seller for exact availability.