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
