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Mat.No. 1.2516/DIN 120WV4

Low alloyed W cold working tool steel.
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  • Mat.No. 1.2516/DIN 120WV4

Designation by Standards

Mat. No.DINENAISI
1.2516120WV4--


Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
1.200.230.280.20--0.101.00-


Applications
Twist drills and tapes, ejectors, punches, reamers, countersinks, engraving tools, metal cutting saws. Usually delivered as silver steel.


Physical properties (average values) at ambient temperature

Modulus of elasticity [103 x N/mm2]: 215
Density [g/cm3]: 7.85
Thermal conductivity [W/m.K]: 31.5
Electric resistivity [Ohm mm2/m]: 0.30
Specific heat capacity[J/g.K]: 0.46


Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC20-200oC20-300oC20-400oC20-500oC
10.511.011.512.213.0


Soft Annealing
Heat to 720-750oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 230.


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 760-820oC, 800-840oC followed by water or oil quenching. Hardness after quenching is 64-66 HRC.


Tempering

Tempering temperature: 150-250oC.


Tempering Temperature (oC) vs. Hardness (HRC)

100oC200oC300oC400oC
66655953


Forging

Hot forming temperature: 1050-850oC.


Machinability

No data.


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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