Industeel CLC 1.2738 Prehardened Mold Steel (300HB/30HRC) for Thick Sections

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Industeel CLC 1.2738 Prehardened Mold Steel (300HB/30HRC) for Thick Sections
Categories:	Metal; Ferrous Metal; Carbon Steel; High Carbon Steel; Tool Steel; Mold Steel
Material Notes:	Description: CLC 1.2738 is a 300HB (30HRC) pre-hardened grade specially designed for plastic mold industry. Chromium, Molybdenum, Nickel carbon and manganese additions are optimized to have a fully martensite-bainite microstructure after quenching. The high nickel content (1%) is specially adapted to ensure a perfect homogeneity of structure and hardness through thickness even for very thick blocks (up to 700mm/28"). 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 even when polishing or chemical etching are required for surface finish quality. Information provided by manufacturer.
Key Words:	AFNOR 40CMND8, DIN 40CrMnNiMo7, WERKSTOFF.Nbr 1.2738, AISI P20
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Mechanical Properties	Original Value	Comments

Hardness, Brinell	300	Typical, in Transverse Direction
Tensile Strength, Ultimate	993 MPa	Typical, Transverse Direction
Tensile Strength, Yield	826 MPa @Strain 0.2 %	Typical, Transverse Direction
Elongation at Break	17 %	Typical, EL 5.65 Transverse Direction
Modulus of Elasticity	205 GPa	Typical, in Transverse Direction
Charpy Impact	22.0 J	Typical (Transverse)

Thermal Properties	Original Value	Comments
CTE, linear	12.7 µm/m-°C @Temperature 20.0 - 200 °C
Thermal Conductivity	29.0 W/m-K @Temperature 20.0 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.40 %
Chromium, Cr	1.9 %
Iron, Fe	94.683 - 94.7 %	As remainder
Manganese, Mn	1.5 %
Molybdenum, Mo	0.20 %
Nickel, Ni	1.0 %
Phosphorus, P	<= 0.012 %
Silicon, Si	0.30 %
Sulfur, S	<= 0.0050 %

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NINDUST53 / 17591

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