Overview of materials for Low Alloy Steel

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Overview of materials for Low Alloy Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Low Alloy 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	7.50 - 8.08 g/cc	0.271 - 0.292 lb/in³	Average value: 7.84 g/cc Grade Count:1765
Particle Size	6.70 - 12.0 µm	6.70 - 12.0 µm	Average value: 9.27 µm Grade Count:20

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	121 - 578	121 - 578	Average value: 274 Grade Count:1311
Hardness, Knoop	140 - 682	140 - 682	Average value: 307 Grade Count:1261
Hardness, Rockwell B	45.0 - 112	45.0 - 112	Average value: 96.2 Grade Count:1213
Hardness, Rockwell C	10.0 - 66.0	10.0 - 66.0	Average value: 30.8 Grade Count:1192
Hardness, Vickers	36.0 - 661	36.0 - 661	Average value: 297 Grade Count:1273
Tensile Strength, Ultimate	180 - 2730 MPa	26100 - 396000 psi	Average value: 996 MPa Grade Count:1614
Tensile Strength, Yield	110 - 2400 MPa	16000 - 347000 psi	Average value: 715 MPa Grade Count:1612
Elongation at Break	2.00 - 37.0 %	2.00 - 37.0 %	Average value: 18.6 % Grade Count:1579
Elongation at Yield	1.00 - 40.0 %	1.00 - 40.0 %	Average value: 16.9 % Grade Count:4
Reduction of Area	3.00 - 75.0 %	3.00 - 75.0 %	Average value: 53.2 % Grade Count:609
Modulus of Elasticity	183 - 213 GPa	26500 - 30900 ksi	Average value: 204 GPa Grade Count:1568
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:1481
Poissons Ratio	0.270 - 0.300	0.270 - 0.300	Average value: 0.290 Grade Count:1552
Fatigue Strength	138 - 772 MPa	20000 - 112000 psi	Average value: 472 MPa Grade Count:17
Fracture Toughness	15.4 - 143 MPa-m½	14.0 - 130 ksi-in½	Average value: 73.7 MPa-m½ Grade Count:15
Machinability	40.0 - 75.0 %	40.0 - 75.0 %	Average value: 59.8 % Grade Count:1219
Shear Modulus	70.0 - 82.0 GPa	10200 - 11900 ksi	Average value: 79.8 GPa Grade Count:1598
Izod Impact	9.00 - 138 J	6.64 - 102 ft-lb	Average value: 57.5 J Grade Count:132
Charpy Impact	15.0 - 339 J	11.1 - 250 ft-lb	Average value: 56.3 J Grade Count:15
Charpy Impact, Unnotched	39.3 - 176 J	29.0 - 130 ft-lb	Average value: 82.0 J Grade Count:8
Bend Radius, Minimum	0.000 - 4.00 t	0.000 - 4.00 t	Average value: 1.65 t Grade Count:101

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000200 - 0.000142 ohm-cm	0.00000200 - 0.000142 ohm-cm	Average value: 0.0000222 ohm-cm Grade Count:1471

Thermal Properties	Metric	English	Comments
CTE, linear	10.1 - 14.9 µm/m-°C	5.61 - 8.28 µin/in-°F	Average value: 12.6 µm/m-°C Grade Count:720
Specific Heat Capacity	0.448 - 0.669 J/g-°C	0.107 - 0.160 BTU/lb-°F	Average value: 0.475 J/g-°C Grade Count:1297
Thermal Conductivity	25.3 - 93.0 W/m-K	176 - 645 BTU-in/hr-ft²-°F	Average value: 46.5 W/m-K Grade Count:1410
Transformation Temperature	183 - 910 °C	361 - 1670 °F	Average value: 600 °C Grade Count:61

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.0100 - 1.20 %	0.0100 - 1.20 %	Average value: 0.133 % Grade Count:53
Boron, B	0.000500 - 0.00600 %	0.000500 - 0.00600 %	Average value: 0.00225 % Grade Count:202
Carbon, C	0.0300 - 1.29 %	0.0300 - 1.29 %	Average value: 0.329 % Grade Count:1749
Chromium, Cr	0.130 - 5.50 %	0.130 - 5.50 %	Average value: 0.823 % Grade Count:1255
Cobalt, Co	3.75 - 12.0 %	3.75 - 12.0 %	Average value: 8.35 % Grade Count:31
Copper, Cu	0.100 - 1.50 %	0.100 - 1.50 %	Average value: 0.493 % Grade Count:113
Hydrogen, H	0.00100 - 0.00250 %	0.00100 - 0.00250 %	Average value: 0.00200 % Grade Count:3
Iron, Fe	63.0 - 100 %	63.0 - 100 %	Average value: 96.5 % Grade Count:1798
Manganese, Mn	0.100 - 3.00 %	0.100 - 3.00 %	Average value: 0.813 % Grade Count:1740
Molybdenum, Mo	0.0600 - 4.80 %	0.0600 - 4.80 %	Average value: 0.341 % Grade Count:1267
Nb + V	0.0200 - 0.150 %	0.0200 - 0.150 %	Average value: 0.124 % Grade Count:5
Nickel, Ni	0.100 - 18.5 %	0.100 - 18.5 %	Average value: 1.88 % Grade Count:946
Niobium, Nb (Columbium, Cb)	0.00500 - 0.150 %	0.00500 - 0.150 %	Average value: 0.0428 % Grade Count:92
Nitrogen, N	0.00100 - 0.0300 %	0.00100 - 0.0300 %	Average value: 0.0178 % Grade Count:18
Oxygen, O	0.00250 - 0.100 %	0.00250 - 0.100 %	Average value: 0.0627 % Grade Count:7
Phosphorus, P	0.00100 - 0.150 %	0.00100 - 0.150 %	Average value: 0.0330 % Grade Count:1663
Silicon, Si	0.0100 - 2.20 %	0.0100 - 2.20 %	Average value: 0.285 % Grade Count:1732
Sulfur, S	0.00100 - 0.400 %	0.00100 - 0.400 %	Average value: 0.0367 % Grade Count:1697
Titanium, Ti	0.0100 - 1.40 %	0.0100 - 1.40 %	Average value: 0.324 % Grade Count:58
Vanadium, V	0.00500 - 0.300 %	0.00500 - 0.300 %	Average value: 0.104 % Grade Count:171
Zirconium, Zr	0.0100 - 0.150 %	0.0100 - 0.150 %	Average value: 0.0388 % Grade Count:40

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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