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Carpenter Chrome Core® 8 Alloy

Category Metal , Electronic/Magnetic Alloy , Ferrous Metal
Manufacturer Carpenter Technology Corporation (Cartech)
Trade Name Chrome Core®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Carpenter Chrome Core® 8 Alloy.pdf
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Material Notes:
Data provided by Carpenter Technology Corporation.Chrome Core® alloys are a family of controlled chemistry, ferritic 8 and 12% chromium-iron alloys which are candidates for use in magnetic components where corrosion resistance superior to that of pure iron, low carbon steel and silicon-iron alloys is desired without the substantial decrease in saturation induction associated with the 18% Cr ferritic stainless steels.Applications could include electro-mechanical devices requiring some degree of corrosion resistance, either in service or for extended shelf life without the need for protective coatings. Chrome Core alloys have been considered for use in automotive components such as fuel injectors, fuel pump motor laminations and ABS solenoids. Each chrome level is available in both a standard and a free-machining grade.Chrome Core® is a registered trademark of Carpenter Technology Corporation.
Physical Properties Metric English Comments
Density 7.70 g/cc
0.278 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B 73
73
Tensile Strength, Ultimate 421 MPa
61100 psi
Tensile Strength, Yield 228 MPa

@Strain 0.200 %
33100 psi

@Strain 0.200 %
Elongation at Break 50 %
50 %
in 50 mm
Reduction of Area 73 %
73 %
Modulus of Elasticity 200 GPa
29000 ksi
Thermal Properties Metric English Comments
CTE, linear 11.2 µm/m-°C

@Temperature 25.0 - 50.0 °C
6.22 µin/in-°F

@Temperature 77.0 - 122 °F
11.6 µm/m-°C

@Temperature 25.0 - 300 °C
6.44 µin/in-°F

@Temperature 77.0 - 572 °F
12.6 µm/m-°C

@Temperature 25.0 - 600 °C
7.00 µin/in-°F

@Temperature 77.0 - 1110 °F
Specific Heat Capacity 0.415 J/g-°C
0.0992 BTU/lb-°F
Component Elements Properties Metric English Comments
Carbon, C <= 0.030 %
<= 0.030 %
Chromium, Cr 7.5 - 8.5 %
7.5 - 8.5 %
Iron, Fe 91 %
91 %
as remainder
Manganese, Mn 0.20 - 0.70 %
0.20 - 0.70 %
Molybdenum, Mo 0.20 - 0.50 %
0.20 - 0.50 %
Phosphorous, P 0.030 %
0.030 %
Silicon, Si 0.30 - 0.70 %
0.30 - 0.70 %
Sulfur, S <= 0.030 %
<= 0.030 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000490 ohm-cm
0.0000490 ohm-cm
Curie Temperature 750 °C
1380 °F
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