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Mat.No. 1.2767/DIN X45NiCrMo4

Nickel cold work tool steel. Goof hardenability and thougness. Ability for polishing, photoetching and erosion treatment. 
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  • Mat.No. 1.2767/DIN X45NiCrMo4

Designation by Standards

Mat. No.DINENAISI
1.2767X45NiCrMo440NiCrMoV16-


Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
0.450.250.351.350.254.05---


Applications
Forging tools, dies of all sort, shapes and sizes, hot forging and pressing tools for steel and metal. Moulds, bushings, piercers, etc.


Physical properties (avarage values) at ambient temperature
Density [g/cm3]: 7.84
Thermal conductivity [W/m.K]: 28.0

Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC20-200oC20-300oC20-400oC20-500oC20-600oC
11.712.513.013.413.713.8


Soft Annealing
Heat to 610-850oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 262.

Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to 650oC, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

Hardening
Harden from a temperature of 840-870oC followed by oil. air or warm bath (180-220oC) quenching. Hardness after quenching is 56 HRC.

Tempering
Tempering temperature: 150-400oC.

Tempering Temperature (oC) vs. Hardness (HRC)

100oC200oC300oC400oC500oC600oC
565450464238


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 the become available.


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