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

Category Metal , Ferrous Metal , Carbon Steel , High Carbon Steel , Tool Steel , Mold Steel
Manufacturer Groupe Arcelor
Trade Name CLC
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Industeel CLC 1.2312 Prehardened Mold Steel (300HB/32HRC) with Improved Machinability.pdf
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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.
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 0.200 %
119000 psi

@Strain 0.200 %
Typical, Transverse Direction
850 MPa

@Strain 0.200 %
123000 psi

@Strain 0.200 %
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 %
Phosphorous, P <= 0.012 %
<= 0.012 %
Silicon, Si 0.30 %
0.30 %
Sulfur, S 0.060 %
0.060 %
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