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Mat.No. 1.3503/DIN 105Cr4

Low alloyed Cr cold working tool steel.
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  • Mat.No. 1.3503/DIN 105Cr4

Designation by Standards

Mat. No.DINENAISI
1.3503105Cr4--


Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
1.050.250.331.03-----


Applications
For balls, rollers, links with diameter up to 10-17mm.


Physical properties (average values) at ambient temperature

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


Soft Annealing

Heat to 730-760oC, cool slowly. This will produce a maximum Brinell hardness of 207.


Normalizing

Temperature: 860-890oC.


Stress Relieving

Stress relieving to remove machining stresses should be carried out by heating to 600-650oC, 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 790-820, 820-850oC followed by water or oil quenching or warm bath approx. 400oC. Hardness after quenching is 65 HRC.


Tempering

Tempering temperature: 150-170oC.


Tempering Temperature (oC) vs. Hardness (HRC)

100oC200oC300oC400oC500oC600oC
646258.553.547.541


Forging
Hot forming temperature: 1100-850oC.


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 become available.


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