Mat.No. 1.2510, DIN 100MnCrW4, O1
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Designation by Standards Mat. No. DIN EN AISI 1.2510 100MnCrW4 95MnWCr5 O1 Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.95 0.25 1.20 0.48 - - 0.13 0.55 - Description This alloy is one of the cold work, oil hardening type tool steels. It is relatively inexpensive containing small amounts of manganese, tungsten and chromium. Hardening by oil quench minimizes distortion and cracking. Applications Applications include short ru...
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Designation by Standards
Mat. No. | DIN | EN | AISI |
1.2510 | 100MnCrW4 | 95MnWCr5 | O1 |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
0.95 | 0.25 | 1.20 | 0.48 | - | - | 0.13 | 0.55 | - |
Description
This alloy is one of the cold work, oil hardening type tool steels. It is relatively inexpensive containing small amounts of manganese, tungsten and chromium. Hardening by oil quench minimizes distortion and cracking.Applications
Applications include short run tooling for blanking dies, cold forming dies and cutting tools operating at ambient temperature. For working tools, cutting blades, sizing and stamping tools.Physical properties (avarage values) at ambient temperature
Density [g/cm3]: 7.85
Thermal conductivity [W/m.K]: 30.0Coefficient of Linear Thermal Expansion 10-6 oC-1
20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC | 20-600oC | 20-700oC |
12.1 | 12.9 | 13.3 | 14.0 | 14.4 | 14.8 | 14.9 |
Continuous Cooling Transformation (CCT) Diagram
Soft Annealing
Heat to 740-770oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 230.Hardening
Harden from a temperature of 780-820oC followed by oil, warm bath (180-220oC) quenching. Hardness after quenching is 64 HRC.Tempering
Tempering temperature: See the data bellow.Tempering Temperature (oC) vs. Hardness (HRC)
100oC | 200oC | 300oC | 400oC | 500oC | 600oC | 650oC |
64 | 61 | 56 | 51 | 44 | 37 | 34 |
Tempering Diagram
Forging
Hot forming temperature: 1037-875oC.Machinability
Machinability of this alloy is very good. It has a rating of 90% that of the W group water hardening low alloy tool steels.Corrosion Resistance
This is a relatively simple steel alloy and does not resist ordinary corrosion. It will rust unless protected.Welding
This alloy is weldable by standard means. Consult the alloy supplier for details and procedures.Disclaimer
The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.
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