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Mat.No. 1.2516, DIN 120WV4
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Designation by Standards Mat. No. DIN EN AISI 1.2516 120WV4 - - Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 1.20 0.23 0.28 0.20 - - 0.10 1.00 - Description Low alloyed W cold working tool steel. Applications Twist drills and tapes, ejectors, punches, reamers, countersinks, engraving tools, metal cutting saws. Usually delivered as silver steel. Physical properties (avarage values) at ambient temperature Modulus of elasticity [103 x N/mm2]: 215 Density [g/cm...
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Designation by Standards
| Mat. No. | DIN | EN | AISI |
| 1.2516 | 120WV4 | - | - |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 1.20 | 0.23 | 0.28 | 0.20 | - | - | 0.10 | 1.00 | - |
Description
Low alloyed W cold working tool steel.
Applications
Twist drills and tapes, ejectors, punches, reamers, countersinks, engraving tools, metal cutting saws. Usually delivered as silver steel.
Physical properties (avarage 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
| 20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC |
| 10.5 | 11.0 | 11.5 | 12.2 | 13.0 |
Continuous Cooling Transformation (CCT) Diagram
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)
| 100oC | 200oC | 300oC | 400oC |
| 66 | 65 | 59 | 53 |
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 puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.
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