Crucible Steel REX® M2 S 1.0C High Speed Steel, AISI M2

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® M2 S 1.0C High Speed Steel, AISI M2.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

REX M2S (1.0C) is a sulfur-bearing high carbon version of the regular CRUCIBLE REX M2 high speed steel. The sulfur addition provides good grindability and an improvement in machinability of 25 to 35 percent over a comparable nonsulfurized grade. The increase in carbon content produces higher attainable hardness, increased wear resistance and red hardness which contribute to significant gains in cutting tool performance. The higher carbon offers improved hardenability in larger tool sections.Information provided by Crucible Industries

Physical Properties	Metric	English	Comments
Density	8.14 g/cc	0.294 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	229 - 255	229 - 255
Hardness, Rockwell C	61 @Tempering Temp. 607.2 °C	61 @Tempering Temp. 1125 °F	oil quenched from 2200°F then tempered
	63 @Tempering Temp. 593 °C	63 @Tempering Temp. 1100 °F	oil quenched from 2200°F then tempered
	64.3 @Tempering Temp. 579.4 °C	64.3 @Tempering Temp. 1075 °F	oil quenched from 2200°F then tempered
	65.5 @Tempering Temp. 566 °C	65.5 @Tempering Temp. 1050 °F	oil quenched from 2200°F then tempered
	66 @Tempering Temp. 538 °C	66 @Tempering Temp. 1000 °F	oil quenched from 2200°F then tempered
	66 @Tempering Temp. 551.7 °C	66 @Tempering Temp. 1025 °F	oil quenched from 2200°F then tempered
Modulus of Elasticity	207 GPa	30000 ksi

Thermal Properties	Metric	English
CTE, linear	11.5 µm/m-°C @Temperature 21.1 - 260 °C	6.40 µin/in-°F @Temperature 70.0 - 500 °F
	11.8 µm/m-°C @Temperature 21.1 - 427 °C	6.58 µin/in-°F @Temperature 70.0 - 800 °F
	12.1 µm/m-°C @Temperature 21.1 - 538 °C	6.72 µin/in-°F @Temperature 70.0 - 1000 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	1.0 %	1.0 %
Chromium, Cr	4.15 %	4.15 %
Iron, Fe	80.8 %	80.8 %	as balance
Manganese, Mn	0.30 %	0.30 %
Molybdenum, Mo	5.0 %	5.0 %
Silicon, Si	0.30 %	0.30 %
Sulfur, S	0.10 %	0.10 %
Tungsten, W	6.4 %	6.4 %
Vanadium, V	1.95 %	1.95 %

Chemical Properties	Metric	English	Comments
Critical Temperature	829.4 °C	1525 °F

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