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Mat.No. 1.2510/DIN 100MnCrW4/O1

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.
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  • Mat.No. 1.2510/DIN 100MnCrW4/O1

Designation by Standards

Mat. No.DINENAISI
1.2510100MnCrW495MnWCr5O1


Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
0.950.251.200.48--0.130.55-


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 (average values) at ambient temperature

Density [g/cm3]: 7.85
Thermal conductivity [W/m.K]: 30.0


Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC20-200oC20-300oC20-400oC20-500oC20-600oC20-700oC
12.112.913.314.014.414.814.9


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)

100oC200oC300oC400oC500oC600oC650oC
64615651443734


        Forging
        
Hot forming temperature: 1037-875
oC.

         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 purposes. There is no representation that the recipient of this literature will receive updated editions as it becomes available.


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