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Mat.No. 1.2365/DIN X32CrMoV33/AISI H10

Hot work, chromium-molybdenum type tool steel that exhibits excellent resistance to softening at elevated tempertaure. This grade is very reistant to thermal fatique cracking (heat cracking), and can be water cooled in service. 
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  • Mat.No. 1.2365/DIN X32CrMoV33/AISI H10

Hot work, chromium-molybdenum type tool steel that exhibits excellent resistance to softening at elevated tempertaure. This grade is very reistant to thermal fatique cracking (heat cracking), and can be water cooled in service.

Designation by Standards

Mat. No.DINENAISI
1.2365X32CrMoV3330CrMoV1211H10



Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
0.320.250.302.952.75-0.55--


Applications
It is recommended for difficult hot work tooling applications such as hot punches, forging dies, hot shear blades and extrusion tooling.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 207, 176 (at 500oC), 165 (at 600oC)
Density [g/cm3]: 7.88, 7.69 (at 500oC), 7.65 (at 600oC)
Thermal conductivity [W/m.K]: 30.0, 30.1 (at 500oC), 29.7 (at 600oC)、
Electric resistivity [Ohm mm2/m]: 0.37, 0.78 (at 500oC), 0.89 (at 600oC)
Specific heat capacity[J/g.K]: 0.46, 0.55 (at 500oC), 0.59 (at 600oC)

Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC20-200oC20-300oC20-400oC20-500oC20-600oC20-700oC
12.613.313.814.214.615.115.4


Soft Annealing
Heat to 780-810oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 229.

Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to 600-650
oC, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment. Hardness after quenching is 44-54 HRC.

Hardening
Harden from a temperature of 1010-1050oC followed by air, oil quenching or warm bath quenching 450-450oC.

Tempering
Tempering temperature: 538-621oC, double tempering is required.


Tempering Temperature (oC) vs. Hardness (HRC) vs. Tensile Strength (N/mm2)

100oC200oC300oC400oC500oC550oC600oC650oC700oC
515049494950484129
17301680162016201620168015701300940


Forging
Hot forming temperature: 1100-900oC. 

Machinability
90-95% of a 1% carbon steel.

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

Forms manufactured
Please see the  Dimensional Sales Program. 

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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