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Master Bond adhesives

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Carpenter Chrome Core® 12 Alloy
Categories: Metal; Electronic/Magnetic Alloy; Ferrous Metal

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.

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Physical PropertiesOriginal ValueComments
Density 7.66 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell B 73
Tensile Strength, Ultimate 421 MPa
Tensile Strength, Yield 228 MPa
@Strain 0.2 %
Elongation at Break 50 %in 50 mm
Reduction of Area 73 %
Modulus of Elasticity 200 GPa
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000570 ohm-cm
Curie Temperature 750 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 10.7 µm/m-°C
@Temperature 25.0 - 50.0 °C
 11.0 µm/m-°C
@Temperature 25.0 - 300 °C
 12.0 µm/m-°C
@Temperature 25.0 - 600 °C
Specific Heat Capacity 0.439 J/g-°C
 
Component Elements PropertiesOriginal ValueComments
Carbon, C <= 0.030 %
Chromium, Cr 11.5 - 12.5 %
Iron, Fe 87 %as remainder
Manganese, Mn 0.20 - 0.70 %
Molybdenum, Mo 0.20 - 0.50 %
Phosphorus, P 0.030 %
Silicon, Si 0.30 - 0.70 %
Sulfur, S <= 0.030 %

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NCARG2 / 15763

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