Overview of materials for AISI 8000 Series Steel

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Overview of materials for AISI 8000 Series Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 8000 Series Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "AISI 8000 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 - 7.85 g/cc	0.280 - 0.284 lb/in³	Average value: 7.85 g/cc Grade Count:330

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	143 - 429	143 - 429	Average value: 276 Grade Count:295
Hardness, Knoop	169 - 682	169 - 682	Average value: 310 Grade Count:307
Hardness, Rockwell B	80.0 - 105	80.0 - 105	Average value: 97.2 Grade Count:272
Hardness, Rockwell C	10.0 - 64.0	10.0 - 64.0	Average value: 31.1 Grade Count:257
Hardness, Vickers	155 - 661	155 - 661	Average value: 299 Grade Count:307
Tensile Strength, Ultimate	450 - 1520 MPa	65300 - 221000 psi	Average value: 968 MPa Grade Count:265
Tensile Strength, Yield	240 - 1340 MPa	34800 - 194000 psi	Average value: 756 MPa Grade Count:265
Elongation at Break	9.00 - 31.3 %	9.00 - 31.3 %	Average value: 18.6 % Grade Count:265
Reduction of Area	31.0 - 62.5 %	31.0 - 62.5 %	Average value: 53.6 % Grade Count:73
Modulus of Elasticity	187 - 210 GPa	27100 - 30500 ksi	Average value: 205 GPa Grade Count:326
Bulk Modulus	160 - 170 GPa	23200 - 24700 ksi	Average value: 160 GPa Grade Count:308
Poissons Ratio	0.270 - 0.300	0.270 - 0.300	Average value: 0.291 Grade Count:325
Fatigue Strength	205 - 485 MPa	29700 - 70300 psi	Average value: 335 MPa Grade Count:6
Fracture Toughness	33.0 - 115 MPa-m½	30.0 - 105 ksi-in½	Average value: 67.3 MPa-m½ Grade Count:4
Machinability	55.0 - 70.0 %	55.0 - 70.0 %	Average value: 64.8 % Grade Count:304
Shear Modulus	72.0 - 82.0 GPa	10400 - 11900 ksi	Average value: 79.9 GPa Grade Count:329
Izod Impact	14.0 - 115 J	10.3 - 84.8 ft-lb	Average value: 65.1 J Grade Count:30

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000200 - 0.0000234 ohm-cm	0.00000200 - 0.0000234 ohm-cm	Average value: 0.0000218 ohm-cm Grade Count:321

Thermal Properties	Metric	English	Comments
CTE, linear	11.2 - 14.8 µm/m-°C	6.22 - 8.22 µin/in-°F	Average value: 12.4 µm/m-°C Grade Count:103
Specific Heat Capacity	0.470 - 0.475 J/g-°C	0.112 - 0.114 BTU/lb-°F	Average value: 0.475 J/g-°C Grade Count:305
Thermal Conductivity	37.6 - 52.0 W/m-K	261 - 361 BTU-in/hr-ft²-°F	Average value: 46.6 W/m-K Grade Count:325
Transformation Temperature	397 - 828 °C	747 - 1520 °F	Average value: 649 °C Grade Count:19

Component Elements Properties	Metric	English	Comments
Boron, B	0.000500 - 0.00300 %	0.000500 - 0.00300 %	Average value: 0.00175 % Grade Count:35
Carbon, C	0.130 - 0.650 %	0.130 - 0.650 %	Average value: 0.311 % Grade Count:333
Chromium, Cr	0.300 - 1.00 %	0.300 - 1.00 %	Average value: 0.502 % Grade Count:332
Copper, Cu	0.000 - 0.250 %	0.000 - 0.250 %	Average value: 0.125 % Grade Count:3
Iron, Fe	96.1 - 99.1 %	96.1 - 99.1 %	Average value: 97.3 % Grade Count:333
Manganese, Mn	0.500 - 1.05 %	0.500 - 1.05 %	Average value: 0.825 % Grade Count:333
Molybdenum, Mo	0.0800 - 0.650 %	0.0800 - 0.650 %	Average value: 0.215 % Grade Count:333
Nickel, Ni	0.150 - 1.00 %	0.150 - 1.00 %	Average value: 0.549 % Grade Count:332
Phosphorus, P	0.000 - 0.0350 %	0.000 - 0.0350 %	Average value: 0.0340 % Grade Count:330
Silicon, Si	0.100 - 0.600 %	0.100 - 0.600 %	Average value: 0.237 % Grade Count:333
Sulfur, S	0.000 - 0.350 %	0.000 - 0.350 %	Average value: 0.0403 % Grade Count:330

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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