Overview of materials for Martensitic

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Overview of materials for Martensitic
Categories:	Metal; Ferrous Metal; Martensitic
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Martensitic". 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	6.45 - 7.89 g/cc	0.233 - 0.285 lb/in³	Average value: 7.72 g/cc Grade Count:110

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	160 - 700	160 - 700	Average value: 327 Grade Count:41
Hardness, Rockwell B	80.0 - 109	80.0 - 109	Average value: 94.8 Grade Count:22
Hardness, Rockwell C	22.0 - 68.0	22.0 - 68.0	Average value: 46.9 Grade Count:69
Hardness, Vickers	200 - 1100	200 - 1100	Average value: 526 Grade Count:19
Tensile Strength, Ultimate	345 - 2350 MPa	50000 - 341000 psi	Average value: 1180 MPa Grade Count:120
Tensile Strength, Yield	205 - 1910 MPa	29700 - 277000 psi	Average value: 961 MPa Grade Count:103
Elongation at Break	2.00 - 34.0 %	2.00 - 34.0 %	Average value: 13.7 % Grade Count:88
Elongation at Yield	2.00 - 40.0 %	2.00 - 40.0 %	Average value: 12.9 % Grade Count:6
Reduction of Area	2.00 - 67.0 %	2.00 - 67.0 %	Average value: 43.0 % Grade Count:28
Modulus of Elasticity	77.0 - 310 GPa	11200 - 45000 ksi	Average value: 201 GPa Grade Count:60
Compressive Yield Strength	745 - 3120 MPa	108000 - 453000 psi	Average value: 2240 MPa Grade Count:3
Bulk Modulus	166 GPa	24100 ksi	Average value: 166 GPa Grade Count:7
Poissons Ratio	0.230 - 0.346	0.230 - 0.346	Average value: 0.278 Grade Count:21
Fatigue Strength	400 - 621 MPa	58000 - 90000 psi	Average value: 541 MPa Grade Count:3
Machinability	30.0 - 65.0 %	30.0 - 65.0 %	Average value: 53.8 % Grade Count:6
Shear Modulus	62.1 - 86.5 GPa	9000 - 12600 ksi	Average value: 78.0 GPa Grade Count:21
Izod Impact Unnotched	13.6 - 244 J	10.0 - 180 ft-lb	Average value: 79.1 J Grade Count:5
Charpy Impact	6.00 - 169 J	4.43 - 125 ft-lb	Average value: 51.9 J Grade Count:17
Bend Radius, Minimum	3.00 - 9.00 t	3.00 - 9.00 t	Average value: 5.33 t Grade Count:3

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000600 - 0.0000980 ohm-cm	0.00000600 - 0.0000980 ohm-cm	Average value: 0.0000654 ohm-cm Grade Count:39

Thermal Properties	Metric	English	Comments
CTE, linear	7.02 - 16.8 µm/m-°C	3.90 - 9.33 µin/in-°F	Average value: 11.3 µm/m-°C Grade Count:53
Specific Heat Capacity	0.460 - 0.460 J/g-°C	0.110 - 0.110 BTU/lb-°F	Average value: 0.460 J/g-°C Grade Count:35
Thermal Conductivity	14.0 - 32.3 W/m-K	97.2 - 224 BTU-in/hr-ft²-°F	Average value: 24.5 W/m-K Grade Count:29
Melting Point	1120 - 1530 °C	2050 - 2790 °F	Average value: 1430 °C Grade Count:12
Solidus	1400 - 1480 °C	2550 - 2700 °F	Average value: 1420 °C Grade Count:10
Liquidus	1470 - 1530 °C	2680 - 2790 °F	Average value: 1490 °C Grade Count:10
Maximum Service Temperature, Air	371 - 649 °C	700 - 1200 °F	Average value: 490 °C Grade Count:3

Processing Properties	Metric	English	Comments
Annealing Temperature	593 - 899 °C	1100 - 1650 °F	Average value: 763 °C Grade Count:3

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.0400 - 1.50 %	0.0400 - 1.50 %	Average value: 0.948 % Grade Count:13
Boron, B	0.00300 - 0.0100 %	0.00300 - 0.0100 %	Average value: 0.00475 % Grade Count:4
Carbon, C	0.0200 - 3.90 %	0.0200 - 3.90 %	Average value: 0.376 % Grade Count:134
Chromium, Cr	0.0500 - 18.0 %	0.0500 - 18.0 %	Average value: 12.9 % Grade Count:136
Copper, Cu	0.100 - 5.00 %	0.100 - 5.00 %	Average value: 3.20 % Grade Count:33
Iron, Fe	56.2 - 96.0 %	56.2 - 96.0 %	Average value: 80.6 % Grade Count:121
Manganese, Mn	0.150 - 2.00 %	0.150 - 2.00 %	Average value: 0.764 % Grade Count:117
Molybdenum, Mo	0.0270 - 4.00 %	0.0270 - 4.00 %	Average value: 1.41 % Grade Count:62
Nb + Ta	0.150 - 0.450 %	0.150 - 0.450 %	Average value: 0.295 % Grade Count:21
Nickel, Ni	0.200 - 8.50 %	0.200 - 8.50 %	Average value: 3.27 % Grade Count:79
Niobium, Nb (Columbium, Cb)	0.0600 - 3.00 %	0.0600 - 3.00 %	Average value: 0.443 % Grade Count:16
Nitrogen, N	0.0150 - 0.170 %	0.0150 - 0.170 %	Average value: 0.0767 % Grade Count:9
Phosphorus, P	0.0100 - 0.0600 %	0.0100 - 0.0600 %	Average value: 0.0316 % Grade Count:67
Silicon, Si	0.0500 - 3.50 %	0.0500 - 3.50 %	Average value: 0.705 % Grade Count:114
Sulfur, S	0.00100 - 0.150 %	0.00100 - 0.150 %	Average value: 0.0241 % Grade Count:67
Tungsten, W	0.100 - 3.50 %	0.100 - 3.50 %	Average value: 1.27 % Grade Count:8
Vanadium, V	0.0200 - 9.00 %	0.0200 - 9.00 %	Average value: 1.65 % Grade Count:19

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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