Crucible Steel 154 CM Martensitic Steel

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Crucible Steel 154 CM Martensitic Steel
Categories:	Metal; Ferrous Metal; Martensitic; Stainless Steel
Material Notes:	Crucible 154 CM is a modification of 440C martensitic stainless steel to which molybdenum has been added. 154 CM has better corrosion resistance, better wear resistance and better hot-hardness than 440C. For knife makers, it offers better edge retention than 440C. It also has higher attainable hardness and better through hardening characteristics than 440C. Information provided by Crucible Specialty Metals.
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Physical Properties	Metric	English	Comments

Density	7.78 g/cc	0.281 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	58.5	58.5
Modulus of Elasticity	207 GPa	30000 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	7.02 µm/m-°C @Temperature -73.3 - 21.1 °C	3.90 µin/in-°F @Temperature -100 - 70.0 °F
	10.35 µm/m-°C @Temperature 21.0 - 149 °C	5.750 µin/in-°F @Temperature 69.8 - 300 °F
	10.91 µm/m-°C @Temperature 21.0 - 260 °C	6.061 µin/in-°F @Temperature 69.8 - 500 °F
	11.86 µm/m-°C @Temperature 21.0 - 482 °C	6.589 µin/in-°F @Temperature 69.8 - 900 °F
Thermal Conductivity	24.2 W/m-K @Temperature 95.0 °C	168 BTU-in/hr-ft²-°F @Temperature 203 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	1.05 %	1.05 %
Chromium, Cr	14 %	14 %
Iron, Fe	80.95 %	80.95 %	As Remainder
Molybdenum, Mo	4.0 %	4.0 %

Descriptive Properties
Total Carbide Volume; %	17.5
Wear Resistance; mg	49		Pin abrasion method

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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