Steel properties |
Excellent wear resistance and toughness at high temperatures. Good machinability in annealed condition. Good polishing. Good hardenability. Very good dimensional stability. Excellent tempering resistance. |
| |
| Applications |
Dies, tools for the production of screws and forging machines highly stressed extruding tools for light metal processing - mandrels, pressing die cast moulds. For the highest requirements we recommend UTOP33 ESR EFS.
Dies, tools for the production of screws and forging machines highly stressed extruding tools for light metal processing - mandrels, pressing die cast moulds. For the highest requirements we recommend UTOP33 ESR EFS. |
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Heat treatment
|
|
|
|
|
| Soft annealing°C |
|
Cooling |
|
Hardness HB |
|
| 780 - 810 |
|
furnace |
|
max. 229 |
|
|
|
| Hardening |
|
in |
|
Hardness after quenching HRC |
|
| 1010 - 1050 |
|
air, oil, thermal bath 450 -550°C |
|
44 - 54 |
|
|
|
| Temering |
°C |
|
100 |
|
200 |
|
300 |
|
400 |
|
500 |
|
550 |
|
600 |
|
650 |
|
700 |
| |
HRC |
|
51 |
|
50 |
|
49 |
|
49 |
|
49 |
|
50 |
|
48 |
|
41 |
|
29 |
| |
N/mm2 |
|
1730 |
|
1680 |
|
1620 |
|
1620 |
|
1620 |
|
1680 |
|
1570 |
|
1300 |
|
940 |
|
| |
Temperature - Transformation - Diagram |
Tempering Diagram |
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