Bohler-Uddeholm BÖHLER S500(m42) High Speed Steel

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Bohler-Uddeholm BÖHLER S500(m42) High Speed Steel
Categories:	Metal; Ferrous Metal; Tool Steel
Material Notes:	Description: Cobalt Molybdenum high speed steel processing high hardness, excellent cutting properties, high red hardness and good toughness. BOHLER S500 is also available in the special grade ISORAPID for heavy duty. Applications: Milling cutters, taps, twist drills, broaches tools, and cold work tools. Standards: DIN/EN 1.3346 HS2-91, AISI M1, UNS T11301, BS ~BM1
Key Words:	EN 1.3247; HS2-9-1-8; AISI M42; UNS T11342
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Physical Properties	Metric	English	Comments

Density	8.10 g/cc	0.293 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	220 GPa	31900 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000520 ohm-cm	0.0000520 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	11.0 µm/m-°C @Temperature 100 °C	6.11 µin/in-°F @Temperature 212 °F
	11.5 µm/m-°C @Temperature 200 °C	6.39 µin/in-°F @Temperature 392 °F
	11.9 µm/m-°C @Temperature 300 °C	6.61 µin/in-°F @Temperature 572 °F
	12.3 µm/m-°C @Temperature 400 °C	6.83 µin/in-°F @Temperature 752 °F
	12.4 µm/m-°C @Temperature 500 °C	6.89 µin/in-°F @Temperature 932 °F
	12.5 µm/m-°C @Temperature 600 °C	6.94 µin/in-°F @Temperature 1110 °F
	12.5 µm/m-°C @Temperature 700 °C	6.94 µin/in-°F @Temperature 1290 °F
Specific Heat Capacity	0.431 J/g-°C	0.103 BTU/lb-°F
Thermal Conductivity	20.0 W/m-K	139 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English	Comments
Carbon, C	1.1 %	1.1 %
Chromium, Cr	3.9 %	3.9 %
Cobalt, Co	7.8 %	7.8 %
Iron, Fe	74.9 %	74.9 %	As remainder
Manganese, Mn	0.20 %	0.20 %
Molybdenum, Mo	9.2 %	9.2 %
Silicon, Si	0.50 %	0.50 %
Tungsten, W	1.4 %	1.4 %
Vanadium, V	1.0 %	1.0 %

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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