Overview of materials for Cast Iron

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This property data is a summary of similar materials in the MatWeb database for the category "Cast Iron". 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	5.54 - 7.81 g/cc	0.200 - 0.282 lb/in³	Average value: 7.22 g/cc Grade Count:141

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	110 - 807	110 - 807	Average value: 294 Grade Count:155
Hardness, Knoop	162 - 906	162 - 906	Average value: 288 Grade Count:78
Hardness, Rockwell B	40.0 - 97.0	40.0 - 97.0	Average value: 69.3 Grade Count:4
Hardness, Rockwell C	11.4 - 65.0	11.4 - 65.0	Average value: 29.2 Grade Count:44
Hardness, Vickers	151 - 871	151 - 871	Average value: 273 Grade Count:78
Tensile Strength, Ultimate	90.0 - 1650 MPa	13100 - 240000 psi	Average value: 479 MPa Grade Count:159
Tensile Strength, Yield	65.5 - 1450 MPa	9500 - 210000 psi	Average value: 449 MPa Grade Count:108
Elongation at Break	0.200 - 40.0 %	0.200 - 40.0 %	Average value: 8.04 % Grade Count:102
Reduction of Area	2.00 - 10.0 %	2.00 - 10.0 %	Average value: 5.38 % Grade Count:13
Modulus of Elasticity	62.1 - 240 GPa	9000 - 34800 ksi	Average value: 147 GPa Grade Count:62
Flexural Yield Strength	248 - 655 MPa	36000 - 95000 psi	Average value: 515 MPa Grade Count:8
Compressive Yield Strength	331 - 2520 MPa	48000 - 365000 psi	Average value: 1020 MPa Grade Count:37
Poissons Ratio	0.240 - 0.370	0.240 - 0.370	Average value: 0.287 Grade Count:36
Fatigue Strength	68.9 - 510 MPa	10000 - 74000 psi	Average value: 260 MPa Grade Count:31
Fracture Toughness	44.0 - 110 MPa-m½	40.0 - 100 ksi-in½	Average value: 81.4 MPa-m½ Grade Count:7
Machinability	0.000 - 125 %	0.000 - 125 %	Average value: 39.0 % Grade Count:10
Shear Modulus	27.0 - 67.6 GPa	3920 - 9800 ksi	Average value: 58.4 GPa Grade Count:36
Shear Strength	149 - 1480 MPa	21600 - 215000 psi	Average value: 545 MPa Grade Count:27
Izod Impact Unnotched	4.00 - 244 J	2.95 - 180 ft-lb	Average value: 65.5 J Grade Count:12
Charpy Impact	0.100 - 40.0 J	0.0738 - 29.5 ft-lb	Average value: 15.3 J Grade Count:13
Charpy Impact, Unnotched	2.70 - 200 J	1.99 - 148 ft-lb	Average value: 72.4 J Grade Count:26

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000500 - 110 ohm-cm	0.00000500 - 110 ohm-cm	Average value: 6.11 ohm-cm Grade Count:18
Magnetic Permeability	100 - 750	100 - 750	Average value: 410 Grade Count:5

Thermal Properties	Metric	English	Comments
CTE, linear	7.75 - 19.3 µm/m-°C	4.31 - 10.7 µin/in-°F	Average value: 12.7 µm/m-°C Grade Count:29
Specific Heat Capacity	0.506 J/g-°C	0.121 BTU/lb-°F	Average value: 0.506 J/g-°C Grade Count:3
Thermal Conductivity	11.3 - 53.3 W/m-K	78.4 - 370 BTU-in/hr-ft²-°F	Average value: 26.6 W/m-K Grade Count:23
Melting Point	1120 - 1310 °C	2050 - 2390 °F	Average value: 1150 °C Grade Count:8
Maximum Service Temperature, Air	649 - 982 °C	1200 - 1800 °F	Average value: 720 °C Grade Count:9
Minimum Service Temperature, Air	-59.4 - -30.0 °C	-75.0 - -22.0 °F	Average value: -34.9 °C Grade Count:6

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.0500 - 25.0 %	0.0500 - 25.0 %	Average value: 3.26 % Grade Count:7
Antimony, Sb	0.00200 - 0.200 %	0.00200 - 0.200 %	Average value: 0.0174 % Grade Count:7
Arsenic, As	0.0200 %	0.0200 %	Average value: 0.0200 % Grade Count:6
Bismuth, Bi	0.00200 %	0.00200 %	Average value: 0.00200 % Grade Count:6
Boron, B	0.000600 %	0.000600 %	Average value: 0.000600 % Grade Count:6
Cadmium, Cd	0.00500 %	0.00500 %	Average value: 0.00500 % Grade Count:6
Carbon, C	0.400 - 4.10 %	0.400 - 4.10 %	Average value: 3.13 % Grade Count:144
Cerium, Ce	0.00500 - 0.200 %	0.00500 - 0.200 %	Average value: 0.102 % Grade Count:24
Chromium, Cr	0.0300 - 35.0 %	0.0300 - 35.0 %	Average value: 3.69 % Grade Count:93
Copper, Cu	0.0200 - 10.0 %	0.0200 - 10.0 %	Average value: 1.00 % Grade Count:74
Iron, Fe	49.0 - 96.3 %	49.0 - 96.3 %	Average value: 86.8 % Grade Count:152
Lead, Pb	0.00200 - 0.00300 %	0.00200 - 0.00300 %	Average value: 0.00214 % Grade Count:7
Magnesium, Mg	0.0200 - 0.0700 %	0.0200 - 0.0700 %	Average value: 0.0450 % Grade Count:36
Manganese, Mn	0.100 - 4.50 %	0.100 - 4.50 %	Average value: 0.735 % Grade Count:139
Molybdenum, Mo	0.000 - 16.0 %	0.000 - 16.0 %	Average value: 0.788 % Grade Count:85
Nickel, Ni	0.0500 - 43.0 %	0.0500 - 43.0 %	Average value: 6.41 % Grade Count:92
Oxygen, O	0.00500 %	0.00500 %	Average value: 0.00500 % Grade Count:6
Phosphorous, P	0.00200 - 1.00 %	0.00200 - 1.00 %	Average value: 0.0891 % Grade Count:130
Selenium, Se	0.0300 %	0.0300 %	Average value: 0.0300 % Grade Count:6
Silicon, Si	0.500 - 17.0 %	0.500 - 17.0 %	Average value: 2.34 % Grade Count:152
Sulfur, S	0.00200 - 0.250 %	0.00200 - 0.250 %	Average value: 0.0695 % Grade Count:117
Tellurium, Te	0.0200 %	0.0200 %	Average value: 0.0200 % Grade Count:6
Tin, Sn	0.0100 - 0.300 %	0.0100 - 0.300 %	Average value: 0.0538 % Grade Count:12
Titanium, Ti	0.0400 %	0.0400 %	Average value: 0.0400 % Grade Count:6
Vanadium, V	0.100 - 2.00 %	0.100 - 2.00 %	Average value: 0.478 % Grade Count:9

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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M01012 / 81703

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