Overview of materials for Cast Iron

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Overview of materials for Cast Iron

Categories: MetalFerrous MetalCast Iron

Material Notes: 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 PropertiesMetricEnglishComments
Density 5.54 – 7.81 g/cc0.200 – 0.282 lb/in³Average value: 7.23 g/cc Grade Count:143
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 110 – 807110 – 807Average value: 300 Grade Count:156
Hardness, Knoop 162 – 906162 – 906Average value: 288 Grade Count:78
Hardness, Rockwell B 40.0 – 97.040.0 – 97.0Average value: 69.3 Grade Count:4
Hardness, Rockwell C 11.4 – 65.011.4 – 65.0Average value: 30.9 Grade Count:45
Hardness, Vickers 151 – 871151 – 871Average value: 273 Grade Count:78
Tensile Strength, Ultimate 90.0 – 1650 MPa13100 – 240000 psiAverage value: 496 MPa Grade Count:160
Tensile Strength, Yield 65.5 – 1450 MPa9500 – 210000 psiAverage value: 426 MPa Grade Count:114
Elongation at Break 0.200 – 40.0 %0.200 – 40.0 %Average value: 7.98 % Grade Count:103
Reduction of Area 2.00 – 10.0 %2.00 – 10.0 %Average value: 5.38 % Grade Count:13
Modulus of Elasticity 62.1 – 250 GPa9000 – 36300 ksiAverage value: 147 GPa Grade Count:64
Flexural Yield Strength 248 – 655 MPa36000 – 95000 psiAverage value: 496 MPa Grade Count:9
Compressive Yield Strength 220 – 2520 MPa31900 – 365000 psiAverage value: 987 MPa Grade Count:39
Poissons Ratio 0.240 – 0.3700.240 – 0.370Average value: 0.286 Grade Count:37
Fatigue Strength 68.9 – 510 MPa10000 – 74000 psiAverage value: 260 MPa Grade Count:31
Fracture Toughness 44.0 – 110 MPa-m½40.0 – 100 ksi-in½Average 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 GPa3920 – 9800 ksiAverage value: 58.4 GPa Grade Count:36
Shear Strength 149 – 1480 MPa21600 – 215000 psiAverage value: 528 MPa Grade Count:28
Izod Impact Unnotched 4.00 – 244 J2.95 – 180 ft-lbAverage value: 65.5 J Grade Count:12
Charpy Impact 0.100 – 40.0 J0.0738 – 29.5 ft-lbAverage value: 16.7 J Grade Count:14
Charpy Impact, Unnotched 2.70 – 200 J1.99 – 148 ft-lbAverage value: 72.4 J Grade Count:26
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000500 – 110 ohm-cm0.00000500 – 110 ohm-cmAverage value: 6.11 ohm-cm Grade Count:18
Magnetic Permeability 100 – 750100 – 750Average value: 410 Grade Count:5
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.75 – 19.3 µm/m-°C4.31 – 10.7 µin/in-°FAverage value: 12.8 µm/m-°C Grade Count:30
Specific Heat Capacity 0.506 J/g-°C0.121 BTU/lb-°FAverage value: 0.506 J/g-°C Grade Count:3
Thermal Conductivity 8.50 – 53.3 W/m-K59.0 – 370 BTU-in/hr-ft²-°FAverage value: 26.9 W/m-K Grade Count:25
Melting Point 1120 – 1430 °C2050 – 2610 °FAverage value: 1190 °C Grade Count:9
Solidus 1140 – 1270 °C2080 – 2320 °FAverage value: 1220 °C Grade Count:3
Liquidus 1220 – 1430 °C2220 – 2610 °FAverage value: 1320 °C Grade Count:3
Maximum Service Temperature, Air 649 – 982 °C1200 – 1800 °FAverage value: 720 °C Grade Count:9
Minimum Service Temperature, Air -59.4 – -30.0 °C-75.0 – -22.0 °FAverage value: -34.9 °C Grade Count:6
 
Component Elements PropertiesMetricEnglishComments
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:146
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: 3.82 % Grade Count:94
Copper, Cu 0.000 – 10.0 %0.000 – 10.0 %Average value: 0.994 % Grade Count:75
Iron, Fe 49.0 – 96.3 %49.0 – 96.3 %Average value: 86.9 % Grade Count:153
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: 0.739 % Grade Count:141
Molybdenum, Mo 0.000 – 16.0 %0.000 – 16.0 %Average value: 0.797 % Grade Count:86
Nickel, Ni 0.000 – 43.0 %0.000 – 43.0 %Average value: 6.35 % Grade Count:93
Oxygen, O 0.00500 %0.00500 %Average value: 0.00500 % Grade Count:6
Phosphorus, P 0.00200 – 1.00 %0.00200 – 1.00 %Average value: 0.0888 % Grade Count:131
Selenium, Se 0.0300 %0.0300 %Average value: 0.0300 % Grade Count:6
Silicon, Si 0.300 – 17.0 %0.300 – 17.0 %Average value: 2.33 % Grade Count:154
Sulfur, S 0.00200 – 0.250 %0.00200 – 0.250 %Average value: 0.0698 % Grade Count:118
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
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