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Mat.No. 1.2344/DIN X40CrMoV51/AISI H13

This alloy is one of the hot work, chromium type tool steels. It also contains molybdenum and vanadium as strengthening agents. The chromium content assists this alloy to resist softening if used at higher temperatures. Secondary hardening steels with good tempering reistance. 
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  • Mat.No. 1.2344/DIN X40CrMoV51/AISI H13

This alloy is one of the hot work, chromium type tool steels. It also contains molybdenum and vanadium as strengthening agents. The chromium content assists this alloy to resist softening if used at higher temperatures. Secondary hardening steels with good tempering resistance. It maintains high hardness and strength at elevated temperatures. Good resistance to thermal fatigue, erosion and wear. Steel with very high toughness and good ductility and hardenability. Tools can be water cooled.

Designation by Standards

Mat. No.DINENAISI
1.2344X40CrMoV51X40CrMoV51H13


Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
0.391.000.385.151.35-1.00--


Applications
H13 finds applications for hot die work, die casting and extrusion dies, wear resisting tools, pressure die casting tools, pressing tools for light and heavy metal. For the highest requirements we recommended UTOPMO2 ESR EFS.

Physical properties (avarage values) at ambient temperature

Modulus of elasticity [103 x N/mm2]: 215 
Density [g/cm3]: 7.78
Thermal conductivity [W/m.K]: 25.0 
Electric resistivity [Ohm mm2/m]: 0.52
Specific heat capacity[J/g.K]: 0.46

Thermal conductivity [W/m.K]M

20oC500oC600oC
2528.529.3


Density [g/cm3]


20oC500oC600oC
7.787.647.60



Electric resistivity [Ohm mm2/m]

20oC500oC600oC
0.520.860.96


Specific heat capacity[J/g.K]

20oC500oC600oC
0.460.550.59


Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC20-200oC20-300oC20-400oC20-500oC20-600oC20-700oC20-800oC
10.711.912.212.512.713.113.513.7


Soft Annealing
Heat to 760-810oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 229.

Hardening
Harden from a temperature of 1020-1060oC followed by oil, air quenching or warm bath (450-550oC). Hardness after quenching is 52-56 HRC.

Tempering
Tempering temperature: See the diagram bellow.

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

100oC200oC300oC400oC500oC550oC600oC650oC700oC
535251525453504331
18451790173017901910184516801360995


Forging
Hot forming temperature: 1100-900oC.

Machinability
Machinability of H13 is medium to good. It rates as 75 % that of the W group water hardening tool steels which are low alloy and of generally good machinability.

Corrosion Resistance
This alloy has some corrosion resistance due to its chromium content. However, it is still a steel and will rust unless given protective coating.

Welding
This alloy is weldable. Contact the alloy supplier for information on welding procedures.

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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