Overview of materials for Chrome-moly Steel

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Overview of materials for Chrome-moly Steel
Categories:	Metal; Ferrous Metal; Chrome-moly Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Chrome-moly 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	Metric	English	Comments

Density	7.31 - 7.94 g/cc	0.264 - 0.287 lb/in³	Average value: 7.73 g/cc Grade Count:33

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	143 - 500	143 - 500	Average value: 293 Grade Count:20
Hardness, Rockwell C	26.0 - 67.0	26.0 - 67.0	Average value: 53.7 Grade Count:22
Hardness, Vickers	650 - 1250	650 - 1250	Average value: 831 Grade Count:4
Tensile Strength, Ultimate	485 - 2650 MPa	70300 - 385000 psi	Average value: 1490 MPa Grade Count:20
Tensile Strength, Yield	275 - 2070 MPa	39900 - 300000 psi	Average value: 1220 MPa Grade Count:20
Elongation at Break	12.0 - 20.0 %	12.0 - 20.0 %	Average value: 14.4 % Grade Count:7
Elongation at Yield	10.0 - 20.0 %	10.0 - 20.0 %	Average value: 15.0 % Grade Count:3
Reduction of Area	30.0 - 60.0 %	30.0 - 60.0 %	Average value: 50.2 % Grade Count:10
Modulus of Elasticity	193 - 234 GPa	28000 - 33900 ksi	Average value: 208 GPa Grade Count:31
Compressive Yield Strength	850 - 3100 MPa	123000 - 450000 psi	Average value: 2230 MPa Grade Count:9
Machinability	75.0 - 95.0 %	75.0 - 95.0 %	Average value: 87.5 % Grade Count:3
Charpy Impact	12.0 - 55.0 J	8.85 - 40.6 ft-lb	Average value: 37.8 J Grade Count:4

Thermal Properties	Metric	English	Comments
CTE, linear	7.00 - 13.9 µm/m-°C	3.89 - 7.72 µin/in-°F	Average value: 12.1 µm/m-°C Grade Count:17
Specific Heat Capacity	0.418 - 0.460 J/g-°C	0.100 - 0.110 BTU/lb-°F	Average value: 0.456 J/g-°C Grade Count:19
Thermal Conductivity	14.0 - 36.4 W/m-K	97.2 - 253 BTU-in/hr-ft²-°F	Average value: 26.5 W/m-K Grade Count:20

Processing Properties	Metric	English	Comments
Processing Temperature	830 - 1030 °C	1530 - 1890 °F	Average value: 933 °C Grade Count:7

Component Elements Properties	Metric	English	Comments
Carbon, C	0.0500 - 2.90 %	0.0500 - 2.90 %	Average value: 0.830 % Grade Count:35
Chromium, Cr	1.00 - 11.8 %	1.00 - 11.8 %	Average value: 4.60 % Grade Count:35
Iron, Fe	76.3 - 97.9 %	76.3 - 97.9 %	Average value: 89.4 % Grade Count:35
Manganese, Mn	0.300 - 1.40 %	0.300 - 1.40 %	Average value: 0.629 % Grade Count:33
Molybdenum, Mo	0.200 - 5.00 %	0.200 - 5.00 %	Average value: 1.65 % Grade Count:35
Nickel, Ni	0.800 - 1.70 %	0.800 - 1.70 %	Average value: 1.10 % Grade Count:5
Silicon, Si	0.200 - 1.00 %	0.200 - 1.00 %	Average value: 0.627 % Grade Count:33
Sulfur, S	0.00800 - 0.400 %	0.00800 - 0.400 %	Average value: 0.0827 % Grade Count:6
Vanadium, V	0.100 - 9.80 %	0.100 - 9.80 %	Average value: 2.26 % Grade Count:27

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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