Overview of materials for Medium Carbon Steel

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Overview of materials for Medium Carbon Steel
Categories:	Metal; Ferrous Metal; Carbon Steel; Medium Carbon Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Medium Carbon 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 - 7.89 g/cc	0.280 - 0.285 lb/in³	Average value: 7.85 g/cc Grade Count:917
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	126 - 578	126 - 578	Average value: 247 Grade Count:831
Hardness, Knoop	145 - 616	145 - 616	Average value: 276 Grade Count:838
Hardness, Rockwell B	71.0 - 112	71.0 - 112	Average value: 94.8 Grade Count:779
Hardness, Rockwell C	9.00 - 71.0	9.00 - 71.0	Average value: 25.9 Grade Count:703
Hardness, Vickers	131 - 614	131 - 614	Average value: 265 Grade Count:838
Tensile Strength, Ultimate	450 - 2730 MPa	65300 - 396000 psi	Average value: 986 MPa Grade Count:838
Tensile Strength, Yield	230 - 1740 MPa	33400 - 252000 psi	Average value: 684 MPa Grade Count:831
Elongation at Break	5.00 - 34.2 %	5.00 - 34.2 %	Average value: 18.9 % Grade Count:822
Reduction of Area	20.0 - 71.4 %	20.0 - 71.4 %	Average value: 49.7 % Grade Count:529
Modulus of Elasticity	187 - 213 GPa	27100 - 30900 ksi	Average value: 203 GPa Grade Count:902
Bulk Modulus	152 - 163 GPa	22000 - 23600 ksi	Average value: 160 GPa Grade Count:863
Poissons Ratio	0.280 - 0.300	0.280 - 0.300	Average value: 0.290 Grade Count:887
Fatigue Strength	138 - 614 MPa	20000 - 89100 psi	Average value: 350 MPa Grade Count:16
Fracture Toughness	80.9 - 143 MPa-m½	73.7 - 130 ksi-in½	Average value: 120 MPa-m½ Grade Count:4
Machinability	40.0 - 80.0 %	40.0 - 80.0 %	Average value: 60.1 % Grade Count:641
Shear Modulus	72.0 - 82.0 GPa	10400 - 11900 ksi	Average value: 79.6 GPa Grade Count:894
Izod Impact	9.00 - 135 J	6.64 - 99.6 ft-lb	Average value: 45.7 J Grade Count:256
Charpy Impact	10.8 - 65.0 J	8.00 - 47.9 ft-lb	Average value: 31.7 J Grade Count:8

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000166 - 0.0000263 ohm-cm	0.0000166 - 0.0000263 ohm-cm	Average value: 0.0000213 ohm-cm Grade Count:798

Thermal Properties	Metric	English	Comments
CTE, linear	10.4 - 15.1 µm/m-°C	5.78 - 8.39 µin/in-°F	Average value: 12.9 µm/m-°C Grade Count:595
Specific Heat Capacity	0.470 - 0.519 J/g-°C	0.112 - 0.124 BTU/lb-°F	Average value: 0.477 J/g-°C Grade Count:619
Thermal Conductivity	21.9 - 52.0 W/m-K	152 - 361 BTU-in/hr-ft²-°F	Average value: 47.7 W/m-K Grade Count:713
Melting Point	1420 - 1460 °C	2590 - 2660 °F	Average value: 1440 °C Grade Count:3
Maximum Service Temperature, Air	400 °C	752 °F	Average value: 400 °C Grade Count:3

Processing Properties	Metric	English	Comments
Processing Temperature	166 - 838 °C	331 - 1540 °F	Average value: 600 °C Grade Count:8

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.0200 - 1.15 %	0.0200 - 1.15 %	Average value: 0.324 % Grade Count:4
Boron, B	0.000500 - 0.00300 %	0.000500 - 0.00300 %	Average value: 0.00175 % Grade Count:43
Carbon, C	0.100 - 1.29 %	0.100 - 1.29 %	Average value: 0.418 % Grade Count:955
Chromium, Cr	0.130 - 4.50 %	0.130 - 4.50 %	Average value: 0.829 % Grade Count:597
Cobalt, Co	4.50 - 8.00 %	4.50 - 8.00 %	Average value: 6.60 % Grade Count:5
Copper, Cu	0.200 - 0.500 %	0.200 - 0.500 %	Average value: 0.300 % Grade Count:9
Iron, Fe	78.7 - 100 %	78.7 - 100 %	Average value: 97.4 % Grade Count:955
Manganese, Mn	0.100 - 3.00 %	0.100 - 3.00 %	Average value: 0.912 % Grade Count:952
Molybdenum, Mo	0.0300 - 4.25 %	0.0300 - 4.25 %	Average value: 0.266 % Grade Count:476
Nickel, Ni	0.150 - 10.0 %	0.150 - 10.0 %	Average value: 1.13 % Grade Count:294
Phosphorus, P	0.00800 - 0.400 %	0.00800 - 0.400 %	Average value: 0.0363 % Grade Count:921
Silicon, Si	0.0500 - 2.20 %	0.0500 - 2.20 %	Average value: 0.294 % Grade Count:669
Sulfur, S	0.00200 - 0.500 %	0.00200 - 0.500 %	Average value: 0.0546 % Grade Count:924
Vanadium, V	0.0300 - 1.00 %	0.0300 - 1.00 %	Average value: 0.176 % Grade Count:57

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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