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

Category Metal , Ferrous Metal , Carbon Steel , High Carbon Steel , Tool Steel , Mold Steel
Manufacturer Groupe Arcelor
Trade Name CLC
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Industeel CLC 1.2738 Prehardened Mold Steel (300HB/30HRC) for Thick Sections.pdf
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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.
Mechanical Properties Metric English Comments
Hardness, Brinell 300
300
Typical, in Transverse Direction
Tensile Strength, Ultimate 993 MPa
144000 psi
Typical, Transverse Direction
Tensile Strength, Yield 826 MPa

@Strain 0.200 %
120000 psi

@Strain 0.200 %
Typical, Transverse Direction
Elongation at Break 17 %
17 %
Typical, EL 5.65 Transverse Direction
Modulus of Elasticity 205 GPa
29700 ksi
Typical, in Transverse Direction
Charpy Impact 22.0 J
16.2 ft-lb
Typical (Transverse)
Thermal Properties Metric English Comments
CTE, linear 12.7 µm/m-°C

@Temperature 20.0 - 200 °C
7.06 µin/in-°F

@Temperature 68.0 - 392 °F
Thermal Conductivity 29.0 W/m-K

@Temperature 20.0 °C
201 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 94.683 - 94.7 %
94.683 - 94.7 %
As remainder
Manganese, Mn 1.5 %
1.5 %
Molybdenum, Mo 0.20 %
0.20 %
Nickel, Ni 1.0 %
1.0 %
Phosphorous, P <= 0.012 %
<= 0.012 %
Silicon, Si 0.30 %
0.30 %
Sulfur, S <= 0.0050 %
<= 0.0050 %
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