Industeel CLC 1.2312 Prehardened Mold Steel (300HB/32HRC) with Improved Machinability

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Industeel CLC 1.2312 Prehardened Mold Steel (300HB/32HRC) with Improved Machinability
Categories:	Metal; Ferrous Metal; Carbon Steel; High Carbon Steel; Tool Steel; Mold Steel
Material Notes:	Description: CLC 1.2312 is a chromium-manganese-molybdenum grade designed for plastic mold industry. This grade is normally delivered in a prehardened condition at a hardness level of 300HB/32HRC. The grade has a fully homogeneous martensite-bainite microstructure. CLC 1.2312 grade has specific sulfur addition (0.060% typical) in order to increase strongly it's machinability. Compared to CLC 1.2311 grade 30% increase in milling speed and 300% increase in drilling speed can be expected. At constant cutting speed, tool life is multiplied by a least 5 when replacing CLC 1.2311 by CLC1.2312 grade. Information provided by manufacturer.
Key Words:	AFNOR 40CMD8S, DIN 40CrMnMoS 8.6, WERKSTOFF Nbr 1.2312, AISI P20+S
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Mechanical Properties	Metric	English	Comments

Hardness, Brinell	300	300	Typical, in Longitudinal and Transverse Direction
Tensile Strength, Ultimate	990 MPa	144000 psi	Typical, Transverse Direction
	1010 MPa	146000 psi	Typical, Longitudinal Direction
Tensile Strength, Yield	820 MPa @Strain 0.2 %	119000 psi @Strain 0.2 %	Typical, Transverse Direction
	850 MPa @Strain 0.2 %	123000 psi @Strain 0.2 %	Typical, Longitudinal Direction
Elongation at Break	9.0 %	9.0 %	Typical, Transverse Direction
	10 %	10 %	Typical, Longitudinal Direction
Modulus of Elasticity	205 GPa	29700 ksi	Typical, in Longitudinal and Transverse Direction
Charpy Impact	15.0 J	11.1 ft-lb	Typical (Transverse)
	25.0 J	18.4 ft-lb	Typical (Longitudinal)
	15.0 J @Temperature -20.0 °C	11.1 ft-lb @Temperature -4.00 °F	Typical (Longitudinal)
Charpy Impact, Unnotched	20.0 J @Temperature 20.0 °C	14.8 ft-lb @Temperature 68.0 °F	Transverse
	25.0 J @Temperature -20.0 °C	18.4 ft-lb @Temperature -4.00 °F	Longitudinal
	30.0 J @Temperature 20.0 °C	22.1 ft-lb @Temperature 68.0 °F	Longitudinal

Thermal Properties	Metric	English	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 - 100 °C	6.39 µin/in-°F @Temperature 68.0 - 212 °F
	11.57 µm/m-°C @Temperature 20.0 - 200 °C	6.428 µin/in-°F @Temperature 68.0 - 392 °F
	12.47 µm/m-°C @Temperature 20.0 - 300 °C	6.928 µin/in-°F @Temperature 68.0 - 572 °F
Thermal Conductivity	34.0 W/m-K @Temperature 20.0 °C	236 BTU-in/hr-ft²-°F @Temperature 68.0 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.40 %	0.40 %
Chromium, Cr	1.9 %	1.9 %
Iron, Fe	95.628 - 95.64 %	95.628 - 95.64 %	As remainder
Manganese, Mn	1.5 %	1.5 %
Molybdenum, Mo	0.20 %	0.20 %
Phosphorus, P	<= 0.012 %	<= 0.012 %
Silicon, Si	0.30 %	0.30 %
Sulfur, S	0.060 %	0.060 %

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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