Overview of materials for Hot Work Steel

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Overview of materials for Hot Work Steel
Categories:	Metal; Ferrous Metal; Tool Steel; Hot Work Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Hot Work Steel". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Original Value	Comments

Density	6.45 - 8.67 g/cc	Average value: 7.80 g/cc Grade Count:77
Particle Size	6.70 - 12.0 µm	Average value: 9.27 µm Grade Count:4

Mechanical Properties	Original Value	Comments
Hardness, Brinell	160 - 594	Average value: 271 Grade Count:24
Hardness, Knoop	431 - 660	Average value: 575 Grade Count:5
Hardness, Rockwell C	26.0 - 66.0	Average value: 49.3 Grade Count:56
Hardness, Vickers	400 - 1250	Average value: 657 Grade Count:7
Tensile Strength, Ultimate	1010 - 2310 MPa	Average value: 1650 MPa Grade Count:37
Tensile Strength, Yield	800 - 1900 MPa	Average value: 1390 MPa Grade Count:34
Elongation at Break	5.00 - 15.5 %	Average value: 10.6 % Grade Count:17
Elongation at Yield	10.0 - 16.0 %	Average value: 12.9 % Grade Count:5
Reduction of Area	15.0 - 55.0 %	Average value: 41.8 % Grade Count:21
Modulus of Elasticity	203 - 228 GPa	Average value: 210 GPa Grade Count:38
Bulk Modulus	160 GPa	Average value: 160 GPa Grade Count:4
Machinability	45.0 - 95.0 %	Average value: 70.0 % Grade Count:17
Shear Modulus	80.0 - 81.0 GPa	Average value: 80.5 GPa Grade Count:4
Charpy Impact	2.71 - 55.0 J	Average value: 23.3 J Grade Count:15

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000500 - 0.0000590 ohm-cm	Average value: 0.0000524 ohm-cm Grade Count:7

Thermal Properties	Original Value	Comments
CTE, linear	7.00 - 14.3 µm/m-°C	Average value: 12.3 µm/m-°C Grade Count:35
Specific Heat Capacity	0.418 - 0.461 J/g-°C	Average value: 0.457 J/g-°C Grade Count:14
Thermal Conductivity	14.4 - 42.0 W/m-K	Average value: 28.7 W/m-K Grade Count:31
Transformation Temperature	785 - 913 °C	Average value: 850 °C Grade Count:7

Processing Properties	Original Value	Comments
Processing Temperature	540 - 1220 °C	Average value: 856 °C Grade Count:21
Annealing Temperature	399 - 900 °C	Average value: 782 °C Grade Count:13

Component Elements Properties	Original Value	Comments
Carbon, C	0.220 - 2.10 %	Average value: 0.446 % Grade Count:86
Chromium, Cr	0.350 - 12.8 %	Average value: 4.44 % Grade Count:86
Cobalt, Co	2.00 - 4.50 %	Average value: 3.50 % Grade Count:3
Copper, Cu	0.250 %	Average value: 0.250 % Grade Count:12
Iron, Fe	71.3 - 98.2 %	Average value: 89.6 % Grade Count:86
Manganese, Mn	0.150 - 1.50 %	Average value: 0.454 % Grade Count:66
Molybdenum, Mo	0.200 - 8.50 %	Average value: 1.94 % Grade Count:73
Nickel, Ni	0.250 - 1.70 %	Average value: 0.703 % Grade Count:18
Phosphorus, P	0.0300 %	Average value: 0.0300 % Grade Count:16
Silicon, Si	0.150 - 2.25 %	Average value: 0.769 % Grade Count:75
Sulfur, S	0.00100 - 0.0300 %	Average value: 0.0178 % Grade Count:30
Tungsten, W	1.00 - 19.0 %	Average value: 7.55 % Grade Count:20
Vanadium, V	0.100 - 5.40 %	Average value: 0.890 % Grade Count:79

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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M01033 / 81721

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