1.3243 is a co-alloyed high-speed steel with high hot strength and excellent toughness.
1.3243 (Emo5Co5)
Description
APPLICATION AREAS
APPLICATION AREAS
Cutting of high strength material, highly stressed tools for twist and
thread drills, milling cutters, profile knives, broaches.
Technical Details
Technical Details
Chemical Composition
Code: 1.3243, EMo5Co5, HS6-5-2-5C AISI: M35
Carbon |
Chromium |
Molybdenum |
Vanadium |
Wolfram |
Cobalt |
C |
Cr |
Mo |
V |
W |
Co |
0,92 |
4,10 |
5,00 |
1,90 |
6,40 |
4,80 |
Heat Treatment
Temperature |
Cooling |
Hardness |
|
Soft Annealing |
800 – 860 °C |
Furnace |
269 HB |
Stress Relief Annealing |
600 – 650°C |
Furnace |
|
Hardening |
1160 – 1230°C |
oil, pressure gas (N2), air or hot bath 500 – 550°C |
see tempering diagram |
Mechanical Properties
Hardness |
60 – 64 |
HRC |
Physical Properties
Thermal Expansion Coefficient |
9,7 – 12,5 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
27,4 |
W/mK |
Density |
7,85 |
g/cm3 |
