Industeel CLC 1.2311 Prehardened Mold Steel (300HB/30HRC)

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Industeel CLC 1.2311 Prehardened Mold Steel (300HB/30HRC)
Categories:	Metal; Ferrous Metal; Carbon Steel; High Carbon Steel; Tool Steel; Mold Steel
Material Notes:	Description: CLC 1.2311 is a 300HB (30HRC) pre-hardened grade specially designed for plastic mold industry. Chromium, Molybdenum, carbon and manganese additions are optimized to have a fully martensite-bainite microstructure after quenching. The steel is melted in electrical furnace and refined with VOD or DH device The cleanliness of the steel is guaranteed as well as the soundness. This makes the steel particularly well adapted for mold steel even when polishing or chemical etching are required for surface finish quality. Information provided by manufacturer.
Key Words:	AFNOR 40CMD8, DIN 40CrMnMo7, WERKSTOFF.Nbr 1.2311, AISI P20
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Mechanical Properties	Original Value	Comments

Hardness, Brinell	300	Typical, in Longitudinal and Transverse Direction
Tensile Strength, Ultimate	992 MPa	Typical, Transverse Direction
	1014 MPa	Typical, Longitudinal Direction
Tensile Strength, Yield	821 MPa @Strain 0.2 %	Typical, Transverse Direction
	854 MPa @Strain 0.2 %	Typical, Longitudinal Direction
Elongation at Break	9.6 %	Typical, EL 5.65 Transverse Direction
	10.8 %	Typical, EL 5.65 Longitudinal Direction
Modulus of Elasticity	205 GPa	Typical, in Longitudinal and Transverse Direction
Charpy Impact	25.0 J	Typical (Transverse)
	28.0 J	Typical (Longitudinal)
	23.0 J @Temperature -20.0 °C	Typical (Longitudinal)
Charpy Impact, Unnotched	28.0 J @Temperature -20.0 °C	Longitudinal
	30.0 J @Temperature 20.0 °C	Transverse
	32.0 J @Temperature 20.0 °C	Longitudinal

Thermal Properties	Original Value	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 - 100 °C
	11.57 µm/m-°C @Temperature 20.0 - 200 °C
	12.47 µm/m-°C @Temperature 20.0 - 300 °C
Thermal Conductivity	34.0 W/m-K @Temperature 20.0 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.40 %
Chromium, Cr	1.9 %
Iron, Fe	95.683 - 95.7 %	As remainder
Manganese, Mn	1.5 %
Molybdenum, Mo	0.20 %
Phosphorus, P	<= 0.012 %
Silicon, Si	0.30 %
Sulfur, S	<= 0.0050 %

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