Overview of materials for AISI 9000 Series Steel

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Overview of materials for AISI 9000 Series Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 9000 Series Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "AISI 9000 Series 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	7.75 - 7.87 g/cc	0.280 - 0.284 lb/in³	Average value: 7.84 g/cc Grade Count:117

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	163 - 514	163 - 514	Average value: 293 Grade Count:105
Hardness, Knoop	204 - 405	204 - 405	Average value: 331 Grade Count:84
Hardness, Rockwell B	89.0 - 100	89.0 - 100	Average value: 98.7 Grade Count:83
Hardness, Rockwell C	15.0 - 51.0	15.0 - 51.0	Average value: 31.4 Grade Count:71
Hardness, Vickers	192 - 515	192 - 515	Average value: 323 Grade Count:85
Tensile Strength, Ultimate	340 - 1780 MPa	49300 - 258000 psi	Average value: 1010 MPa Grade Count:93
Tensile Strength, Yield	400 - 1560 MPa	58000 - 226000 psi	Average value: 760 MPa Grade Count:93
Elongation at Break	6.00 - 25.0 %	6.00 - 25.0 %	Average value: 17.2 % Grade Count:93
Reduction of Area	0.000 - 236 %	0.000 - 236 %	Average value: 35.0 % Grade Count:10
Modulus of Elasticity	200 - 210 GPa	29000 - 30500 ksi	Average value: 202 GPa Grade Count:115
Bulk Modulus	160 - 170 GPa	23200 - 24700 ksi	Average value: 160 GPa Grade Count:87
Poissons Ratio	0.270 - 0.300	0.270 - 0.300	Average value: 0.292 Grade Count:115
Machinability	40.0 - 70.0 %	40.0 - 70.0 %	Average value: 49.5 % Grade Count:87
Shear Modulus	78.0 - 82.0 GPa	11300 - 11900 ksi	Average value: 80.0 GPa Grade Count:116
Izod Impact	9.00 - 119 J	6.64 - 87.8 ft-lb	Average value: 69.8 J Grade Count:6

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000200 - 0.0000174 ohm-cm	0.00000200 - 0.0000174 ohm-cm	Average value: 0.0000139 ohm-cm Grade Count:114

Thermal Properties	Metric	English	Comments
CTE, linear	11.5 - 14.6 µm/m-°C	6.39 - 8.11 µin/in-°F	Average value: 11.7 µm/m-°C Grade Count:115
Specific Heat Capacity	0.470 - 0.472 J/g-°C	0.112 - 0.113 BTU/lb-°F	Average value: 0.472 J/g-°C Grade Count:88
Thermal Conductivity	40.0 - 52.0 W/m-K	278 - 361 BTU-in/hr-ft²-°F	Average value: 49.7 W/m-K Grade Count:115
Transformation Temperature	238 - 826 °C	460 - 1520 °F	Average value: 633 °C Grade Count:26

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.0100 - 0.0400 %	0.0100 - 0.0400 %	Average value: 0.0250 % Grade Count:4
Boron, B	0.000500 - 0.00300 %	0.000500 - 0.00300 %	Average value: 0.00175 % Grade Count:4
Carbon, C	0.0700 - 0.650 %	0.0700 - 0.650 %	Average value: 0.253 % Grade Count:116
Chromium, Cr	0.200 - 1.45 %	0.200 - 1.45 %	Average value: 1.11 % Grade Count:90
Iron, Fe	93.7 - 98.4 %	93.7 - 98.4 %	Average value: 95.5 % Grade Count:116
Manganese, Mn	0.400 - 1.10 %	0.400 - 1.10 %	Average value: 0.663 % Grade Count:116
Molybdenum, Mo	0.0800 - 0.300 %	0.0800 - 0.300 %	Average value: 0.143 % Grade Count:87
Nickel, Ni	0.250 - 3.55 %	0.250 - 3.55 %	Average value: 2.81 % Grade Count:80
Phosphorus, P	0.0100 - 0.0350 %	0.0100 - 0.0350 %	Average value: 0.0287 % Grade Count:86
Silicon, Si	0.0500 - 2.20 %	0.0500 - 2.20 %	Average value: 0.671 % Grade Count:116
Sulfur, S	0.00500 - 0.0500 %	0.00500 - 0.0500 %	Average value: 0.0350 % Grade Count:115

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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