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Mat.No. 1.2746/DIN 45NiCrMoV16-6

Special cold work tool steel, air or oil hardenable with highest toughness.
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  • Mat.No. 1.2746/DIN 45NiCrMoV16-6

Designation by Standards

Mat. No.DINENAISI
1.274645NiCrMoV16-6--

Chemical Composition (in weight %) 

CSiMnCrMoNiVWOthers
0.450.250.701.500.794.000.50--


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

Physical properties (average values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.86

Soft Annealing
Heat to 610-850oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 295.

Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to approx. 650oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

Hardening
Harden from a temperature of 880-910oC followed by air or oil quenching or warm bath quenching 180-220oC. Hardness after quenching is 56 HRC.

Tempering
Tempering temperature: See the data bellow.


Tempering Temperature (oC) vs. Hardness (HRC)

100oC200oC300oC400oC500oC550oC
565452504948


Forging
Hot forming temperature: 1100-900oC.

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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