Overview of materials for AISI 4000 Series Steel

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Overview of materials for AISI 4000 Series Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "AISI 4000 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: 7.84 g/cc Grade Count:667
Particle Size	6.70 - 12.0 µm	6.70 - 12.0 µm	Average value: 9.27 µm Grade Count:12

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	50.0 - 578	50.0 - 578	Average value: 280 Grade Count:605
Hardness, Knoop	140 - 616	140 - 616	Average value: 309 Grade Count:578
Hardness, Rockwell B	68.0 - 112	68.0 - 112	Average value: 96.3 Grade Count:533
Hardness, Rockwell C	10.0 - 62.5	10.0 - 62.5	Average value: 30.3 Grade Count:529
Hardness, Vickers	36.0 - 1140	36.0 - 1140	Average value: 307 Grade Count:580
Tensile Strength, Ultimate	450 - 1970 MPa	65300 - 285000 psi	Average value: 984 MPa Grade Count:562
Tensile Strength, Yield	150 - 1860 MPa	21800 - 270000 psi	Average value: 748 MPa Grade Count:560
Elongation at Break	7.00 - 34.0 %	7.00 - 34.0 %	Average value: 18.4 % Grade Count:556
Reduction of Area	16.0 - 74.4 %	16.0 - 74.4 %	Average value: 54.3 % Grade Count:463
Modulus of Elasticity	192 - 213 GPa	27800 - 30900 ksi	Average value: 205 GPa Grade Count:663
Compressive Yield Strength	1650 - 1800 MPa	239000 - 260000 psi	Average value: 1700 MPa Grade Count:12
Bulk Modulus	152 - 170 GPa	22000 - 24700 ksi	Average value: 160 GPa Grade Count:592
Poissons Ratio	0.270 - 0.300	0.270 - 0.300	Average value: 0.291 Grade Count:658
Fatigue Strength	138 - 772 MPa	20000 - 112000 psi	Average value: 528 MPa Grade Count:11
Fracture Toughness	33.0 - 115 MPa-m½	30.0 - 105 ksi-in½	Average value: 67.3 MPa-m½ Grade Count:6
Machinability	50.0 - 75.0 %	50.0 - 75.0 %	Average value: 59.7 % Grade Count:562
Shear Modulus	74.0 - 82.0 GPa	10700 - 11900 ksi	Average value: 79.7 GPa Grade Count:658
Izod Impact	9.00 - 138 J	6.64 - 102 ft-lb	Average value: 63.6 J Grade Count:68
Charpy Impact	15.0 - 94.9 J	11.1 - 70.0 ft-lb	Average value: 42.7 J Grade Count:7

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000200 - 0.0000263 ohm-cm	0.00000200 - 0.0000263 ohm-cm	Average value: 0.0000219 ohm-cm Grade Count:636

Thermal Properties	Metric	English	Comments
CTE, linear	10.4 - 14.6 µm/m-°C	5.78 - 8.11 µin/in-°F	Average value: 12.6 µm/m-°C Grade Count:287
Specific Heat Capacity	0.470 - 0.477 J/g-°C	0.112 - 0.114 BTU/lb-°F	Average value: 0.475 J/g-°C Grade Count:485
Thermal Conductivity	40.0 - 52.0 W/m-K	278 - 361 BTU-in/hr-ft²-°F	Average value: 44.1 W/m-K Grade Count:597
Transformation Temperature	296 - 833 °C	565 - 1530 °F	Average value: 625 °C Grade Count:64

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.0150 - 1.15 %	0.0150 - 1.15 %	Average value: 0.166 % Grade Count:8
Carbon, C	0.0500 - 1.29 %	0.0500 - 1.29 %	Average value: 0.300 % Grade Count:681
Chromium, Cr	0.250 - 18.0 %	0.250 - 18.0 %	Average value: 0.885 % Grade Count:446
Copper, Cu	0.250 - 0.350 %	0.250 - 0.350 %	Average value: 0.289 % Grade Count:9
Iron, Fe	78.8 - 98.9 %	78.8 - 98.9 %	Average value: 96.8 % Grade Count:681
Manganese, Mn	0.300 - 3.00 %	0.300 - 3.00 %	Average value: 0.709 % Grade Count:680
Molybdenum, Mo	0.0400 - 0.750 %	0.0400 - 0.750 %	Average value: 0.253 % Grade Count:678
Nickel, Ni	0.100 - 3.80 %	0.100 - 3.80 %	Average value: 2.05 % Grade Count:368
Phosphorus, P	0.000 - 0.0400 %	0.000 - 0.0400 %	Average value: 0.0331 % Grade Count:662
Silicon, Si	0.100 - 1.05 %	0.100 - 1.05 %	Average value: 0.244 % Grade Count:681
Sulfur, S	0.00200 - 0.400 %	0.00200 - 0.400 %	Average value: 0.0381 % Grade Count:665
Vanadium, V	0.0140 - 0.120 %	0.0140 - 0.120 %	Average value: 0.0867 % Grade Count:11

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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