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Mat.No. 1.2519/DIN 110WCrV5/AISI Approx. O7

This alloy is one of the cold work, oil hardening type tool steels. 
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  • Mat.No. 1.2519/DIN 110WCrV5/AISI Approx. O7

Designation by Standards

Mat. No.DINENAISI
1.2519110WCrV5-Approx. O7


Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
1.100.230.301.20--0.201.30-


Applications
Planing machine blades, tap drills, machine blades for cutting paper, paperboard and tobacco.


Physical properties (avarage values) at ambient temperature

Modulus of elasticity [103 x N/mm2]: Approx. 210
Density [g/cm3]: 7.80


Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC20-200oC20-300oC20-400oC20-500oC
11.012.513.313.814.1


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 780-820oC, 800-860oC followed by water or oil quenching. Hardness after quenching is min. 64-65 HRC.


Tempering

Tempering temperature: 150-300oC.


Tempering Temperature (oC) vs. Hardness (HRC)

100oC200oC300oC400oC500oC
6663.557.55349


Forging
Hot forming temperature: 1050-850oC.


Machinability

No data.


Corrosion Resistance

Corrosion resistance of this alloy is better than that of plain carbon steels. However it will rust unless given protective treatment.

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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