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Crucible Steel CHRO-MOW® Tool Steel, AISI H12

Category	Metal , Ferrous Metal , Tool Steel , Hot Work Steel
Manufacturer	Crucible Steel
Trade Name	CHRO-MOW®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Crucible Steel CHRO-MOW® Tool Steel, AISI H12.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Chro-Mow is a general purpose hot work tool steel, combining good high-temperature strength with moderate toughness and heat check resistance. It is suited for applications where drastic coolants are used. It may be used up to tool temperatures of about 1000F, with brief exposures up to about 1100F.Information provided by Crucible Industries

Physical Properties	Metric	English	Comments
Density	7.78 g/cc	0.281 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	192 - 235	192 - 235
Hardness, Rockwell C	30 - 32 @Tempering Temp. 621 °C	30 - 32 @Tempering Temp. 1150 °F	air cooled from 1850°F then tempered
	40 - 42 @Tempering Temp. 593 °C	40 - 42 @Tempering Temp. 1100 °F	air cooled from 1850°F then tempered
	44 - 46 @Tempering Temp. 566 °C	44 - 46 @Tempering Temp. 1050 °F	air cooled from 1850°F then tempered
	51 - 53 @Tempering Temp. 538 °C	51 - 53 @Tempering Temp. 1000 °F	air cooled from 1850°F then tempered
Modulus of Elasticity	207 GPa	30000 ksi
Charpy Impact	10.8 J @Tempering Temp. 538 °C	8.00 ft-lb @Tempering Temp. 1000 °F	air cooled from 1850°F then tempered; V-notch
	14.9 J @Tempering Temp. 566 °C	11.0 ft-lb @Tempering Temp. 1050 °F	air cooled from 1850°F then tempered; V-notch
	17.6 J @Tempering Temp. 593 °C	13.0 ft-lb @Tempering Temp. 1100 °F	air cooled from 1850°F then tempered; V-notch

Thermal Properties	Metric	English
CTE, linear	11.0 µm/m-°C @Temperature 21.1 - 93.3 °C	6.10 µin/in-°F @Temperature 70.0 - 200 °F
	11.7 µm/m-°C @Temperature 21.1 - 204 °C	6.50 µin/in-°F @Temperature 70.0 - 400 °F
	12.6 µm/m-°C @Temperature 21.1 - 427 °C	7.00 µin/in-°F @Temperature 70.0 - 800 °F
	13.3 µm/m-°C @Temperature 21.1 - 649 °C	7.40 µin/in-°F @Temperature 70.0 - 1200 °F
Thermal Conductivity	2.02 W/m-K @Temperature 93.3 °C	14.0 BTU-in/hr-ft²-°F @Temperature 200 °F
	2.16 W/m-K @Temperature 316 °C	15.0 BTU-in/hr-ft²-°F @Temperature 600 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.35 %	0.35 %
Chromium, Cr	5.0 %	5.0 %
Iron, Fe	90.45 %	90.45 %	as balance
Manganese, Mn	0.35 %	0.35 %
Molybdenum, Mo	1.3 %	1.3 %
Silicon, Si	1.0 %	1.0 %
Tungsten, W	1.2 %	1.2 %
Vanadium, V	0.35 %	0.35 %

Chemical Properties	Metric	English	Comments
Critical Temperature	835.0 °C	1535 °F

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