JIS SKH10 Tungsten High Speed Tool Steel

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JIS SKH10 Tungsten High Speed Tool Steel
Categories:	Metal; Ferrous Metal; Tool Steel
Material Notes:	Used in high speed tool and cutting applications such as drills, milling processes, reamers, etc. Tungsten content promotes high temperature hardness and wear resistance. Quench via oil, air, or salt bath.
Key Words:	JIS G4403(83) SKH10, SKH 10, SKH-10; Comparable to AISI T15, UNS T12015
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Physical Properties	Metric	English	Comments

Density	8.19 g/cc	0.296 lb/in³	(AISI T15)

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	<= 285	<= 285	Bar Forging Annealed

Thermal Properties	Metric	English	Comments
CTE, linear	9.90 µm/m-°C @Temperature 20.0 - 200 °C	5.50 µin/in-°F @Temperature 68.0 - 392 °F	(AISI T15)
	11.0 µm/m-°C @Temperature 20.0 - 425 °C	6.11 µin/in-°F @Temperature 68.0 - 797 °F	(AISI T15)
	11.5 µm/m-°C @Temperature 20.0 - 540 °C	6.39 µin/in-°F @Temperature 68.0 - 1000 °F	(AISI T15)

Processing Properties	Metric	English	Comments
Processing Temperature	540 - 650 °C	1000 - 1200 °F	Tempering (AISI T15)
	1205 - 1260 °C	2201 - 2300 °F	Hardening (AISI T15)
Annealing Temperature	870 - 900 °C	1600 - 1650 °F	(AISI T15)

Component Elements Properties	Metric	English	Comments
Carbon, C	1.5 - 1.6 %	1.5 - 1.6 %
Chromium, Cr	3.8 - 4.5 %	3.8 - 4.5 %
Cobalt, Co	4.2 - 5.2 %	4.2 - 5.2 %
Copper, Cu	<= 0.25 %	<= 0.25 %
Iron, Fe	68.6 - 74.9 %	68.6 - 74.9 %	As Balance
Manganese, Mn	<= 0.40 %	<= 0.40 %
Nickel, Ni	<= 0.25 %	<= 0.25 %
Phosphorus, P	<= 0.030 %	<= 0.030 %
Silicon, Si	<= 0.40 %	<= 0.40 %
Sulfur, S	<= 0.030 %	<= 0.030 %
Tungsten, W	11.50 - 14 %	11.50 - 14 %
Vanadium, V	4.2 - 5.2 %	4.2 - 5.2 %

References for this datasheet.

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MSTZJSKH10 / 231100

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