ROBERT 7
42CrMo4
Fe reste C0.32-0.42 Cr0.9-1.2 Mo0.15-0.3
Chemical composition |
---|
Cu0.1 max
Ni0.01 max
P0.01 max
FeBAL
Si0.1 max
S0.005 max
C0.32-0.42
Mo0.15-0.30
Cr0.9-1.20
OtherV 0.01 max
Alloy name | |
---|---|
RLSA no. | 907 |
EN standard | |
DIN standard | 1.7225 |
UNS no.* |
*Unified Numbering System (USA)
Characteristics and main uses
Physical properties | Units | |
---|---|---|
Density (20°C) | 7,85 | Kg/dm³ |
Melting point | 1420-1460 | °C |
Longitudinal elasticity modulus | GPa | |
Thermal conductivity | W/m·K | |
Electrical conductivity | m/Ω·mm² | |
Electrical resistivity | µΩ·m | |
Linear expansion Coefficient | 10⁻⁶·K⁻¹ | |
IACS (International Annealed Copper Standard) | % | |
Poisson's ratio | 0,29 |
Capabilities | |
---|---|
Corrosion resistance | |
Hot deformation | |
Cold deformation | |
Electrodepositing | |
Diamond cutting | |
Nitriding | |
Mechanical polishing | |
Welding without filler | |
Brazing |
1 poor | 2 average | 3 good | 4 very good | - no info