| Overview of materials for Air-Hardening Steel | |
|---|---|
| Categories: | MetalFerrous MetalTool SteelAir-Hardening Steel |
| Material Notes: | This property data is a summary of similar materials in the MatWeb database for the category “Air-Hardening 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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Export data to your CAD/FEA program| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 7.39 – 8.03 g/cc | 0.267 – 0.290 lb/in³ | Average value: 7.76 g/cc Grade Count:52 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 192 – 594 | 192 – 594 | Average value: 354 Grade Count:16 |
| Hardness, Knoop | 431 – 724 | 431 – 724 | Average value: 604 Grade Count:8 |
| Hardness, Rockwell C | 10.0 – 66.5 | 10.0 – 66.5 | Average value: 56.8 Grade Count:44 |
| Hardness, Vickers | 200 – 703 | 200 – 703 | Average value: 513 Grade Count:10 |
| Tensile Strength, Ultimate | 610 – 2380 MPa | 88500 – 345000 psi | Average value: 1780 MPa Grade Count:15 |
| Tensile Strength, Yield | 470 – 2100 MPa | 68200 – 305000 psi | Average value: 1460 MPa Grade Count:15 |
| Elongation at Break | 1.00 – 15.0 % | 1.00 – 15.0 % | Average value: 8.91 % Grade Count:15 |
| Reduction of Area | 2.00 – 65.0 % | 2.00 – 65.0 % | Average value: 32.4 % Grade Count:10 |
| Modulus of Elasticity | 138 – 221 GPa | 20000 – 32100 ksi | Average value: 202 GPa Grade Count:29 |
| Bulk Modulus | 160 GPa | 23200 ksi | Average value: 160 GPa Grade Count:10 |
| Poissons Ratio | 0.300 | 0.300 | Average value: 0.300 Grade Count:3 |
| Machinability | 30.0 – 80.0 % | 30.0 – 80.0 % | Average value: 60.9 % Grade Count:25 |
| Shear Modulus | 77.0 – 80.0 GPa | 11200 – 11600 ksi | Average value: 79.3 GPa Grade Count:10 |
| Izod Impact Unnotched | 10.8 – 229 J | 8.00 – 169 ft-lb | Average value: 66.8 J Grade Count:6 |
| Charpy Impact | 6.10 – 205 J | 4.50 – 151 ft-lb | Average value: 45.6 J Grade Count:15 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 7.45 – 14.7 µm/m-°C | 4.14 – 8.17 µin/in-°F | Average value: 12.3 µm/m-°C Grade Count:29 |
| Thermal Conductivity | 20.4 – 32.9 W/m-K | 142 – 228 BTU-in/hr-ft²-°F | Average value: 26.2 W/m-K Grade Count:7 |
| Transformation Temperature | 785 – 857 °C | 1450 – 1570 °F | Average value: 843 °C Grade Count:5 |
| Processing Properties | Metric | English | Comments |
| Processing Temperature | 150 – 1550 °C | 302 – 2830 °F | Average value: 735 °C Grade Count:18 |
| Annealing Temperature | 730 – 900 °C | 1350 – 1650 °F | Average value: 831 °C Grade Count:10 |
| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 2.00 – 7.00 % | 2.00 – 7.00 % | Average value: 4.00 % Grade Count:3 |
| Carbon, C | 0.230 – 2.85 % | 0.230 – 2.85 % | Average value: 1.00 % Grade Count:54 |
| Chromium, Cr | 0.400 – 27.0 % | 0.400 – 27.0 % | Average value: 6.83 % Grade Count:56 |
| Cobalt, Co | 2.80 – 30.0 % | 2.80 – 30.0 % | Average value: 15.9 % Grade Count:6 |
| Copper, Cu | 0.250 % | 0.250 % | Average value: 0.250 % Grade Count:4 |
| Iron, Fe | 19.0 – 98.6 % | 19.0 – 98.6 % | Average value: 85.3 % Grade Count:59 |
| Manganese, Mn | 0.250 – 3.00 % | 0.250 – 3.00 % | Average value: 0.796 % Grade Count:46 |
| Molybdenum, Mo | 0.330 – 5.50 % | 0.330 – 5.50 % | Average value: 1.45 % Grade Count:55 |
| Nickel, Ni | 0.250 – 22.0 % | 0.250 – 22.0 % | Average value: 5.13 % Grade Count:13 |
| Phosphorus, P | 0.00150 – 0.300 % | 0.00150 – 0.300 % | Average value: 0.0442 % Grade Count:17 |
| Silicon, Si | 0.100 – 1.25 % | 0.100 – 1.25 % | Average value: 0.707 % Grade Count:45 |
| Sulfur, S | 0.00300 – 0.0900 % | 0.00300 – 0.0900 % | Average value: 0.0249 % Grade Count:21 |
| Titanium, Ti | 0.500 – 4.00 % | 0.500 – 4.00 % | Average value: 2.13 % Grade Count:3 |
| Tungsten, W | 0.500 – 8.50 % | 0.500 – 8.50 % | Average value: 2.20 % Grade Count:12 |
| Vanadium, V | 0.130 – 10.3 % | 0.130 – 10.3 % | Average value: 2.09 % Grade Count:35 |
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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.