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Crucible Steel REX® TMO High Speed Steel, AISI M1

Category	Metal , Ferrous Metal , Tool Steel
Manufacturer	Crucible Steel
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Crucible Steel REX® TMO High Speed Steel, AISI M1.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

REX TMO molybdenum-tungsten high speed steel is a tough general purpose high speed steel with high cutting efficiency and excellent finishing properties. It is adapted to fast light cuts on soft or medium hard materials.Information provided by Crucible Industries

Physical Properties	Metric	English	Comments
Density	7.92 g/cc	0.286 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	217 - 235	217 - 235
Hardness, Rockwell C	57 @Tempering Temp. 621 °C	57 @Tempering Temp. 1150 °F	oil quenched from 2100°F then tempered
	59.5 @Tempering Temp. 607.2 °C	59.5 @Tempering Temp. 1125 °F	oil quenched from 2100°F then tempered
	61 @Tempering Temp. 593 °C	61 @Tempering Temp. 1100 °F	oil quenched from 2100°F then tempered
	62.6 @Tempering Temp. 579.4 °C	62.6 @Tempering Temp. 1075 °F	oil quenched from 2100°F then tempered
	63.8 @Tempering Temp. 566 °C	63.8 @Tempering Temp. 1050 °F	oil quenched from 2100°F then tempered
	64.3 @Tempering Temp. 551.7 °C	64.3 @Tempering Temp. 1025 °F	oil quenched from 2100°F then tempered
	64.5 @Tempering Temp. 538 °C	64.5 @Tempering Temp. 1000 °F	oil quenched from 2100°F then tempered
Modulus of Elasticity	207 GPa	30000 ksi

Thermal Properties	Metric	English
CTE, linear	10.5 µm/m-°C @Temperature 37.8 - 260 °C	5.85 µin/in-°F @Temperature 100 - 500 °F
	12.1 µm/m-°C @Temperature 37.8 - 427 °C	6.75 µin/in-°F @Temperature 100 - 800 °F
	12.5 µm/m-°C @Temperature 37.8 - 538 °C	6.93 µin/in-°F @Temperature 100 - 1000 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.83 %	0.83 %
Chromium, Cr	3.75 %	3.75 %
Iron, Fe	83.4 %	83.4 %	as balance
Manganese, Mn	0.30 %	0.30 %
Molybdenum, Mo	8.5 %	8.5 %
Silicon, Si	0.35 %	0.35 %
Tungsten, W	1.7 %	1.7 %
Vanadium, V	1.15 %	1.15 %

Chemical Properties	Metric	English	Comments
Critical Temperature	827 °C	1520 °F

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