1.1730 (Extra Nr.45) Tool Steel
Area of Application
Cold impact dies, base plates for plastic and die casting tools, hand tools, pliers, agricultural tools, cuts, leather knives.
Chemical Composition
Code: 1.730, Extra Nr.45, C45 W
Carbon |
Silica |
Manganese |
C |
Si |
Mn |
0,45 |
0,30 |
0,70 |
Heat Treatment
|
|
Temperature |
Cooling |
Hardness |
|
Soft Annealing |
680 - 710 °C |
Furnace |
207 HB |
|
Stress Relief Annealing |
600 - 650°C |
Furnace |
|
|
Hardening |
800 - 850°C |
Water |
|
Mechanical Properties
Hardness |
55 - 20 |
HRC |
Physical Properties
Coefficient of thermal expansion |
12,5 - 14,1 |
1/K * 10-6 |
Thermal conductivity (20°C) |
44,9 |
W/mK |
Density |
7,85 |
g/cm3 |
