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Rulon Bearings

Goodfellow Iron 77.5/Boron 15/Silicon 7.5 Alloy
Categories: Metal; Ferrous Metal; Superalloy; Iron Base

Material Notes: Metallic glasses (glassy alloys) or amorphous metals. Uses include soft magnetic applications, brazing, coating and as reinforcing fibers.

Information provided by Goodfellow.

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Mechanical PropertiesMetricEnglishComments
Vickers Microhardness 940940kg(f)/mm²
Elongation at Break 2.3 %2.3 %
Tensile Modulus 155 GPa22500 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000124 ohm-cm0.000124 ohm-cm
Curie Temperature 422 °C792 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 8.70 µm/m-°C
@Temperature 20.0 °C
4.83 µin/in-°F
@Temperature 68.0 °F
Crystallization Temperature 553 °C1030 °F
 
Component Elements PropertiesMetricEnglishComments
Boron, B 15 %15 %
Iron, Fe 77.5 %77.5 %
Silicon, Si 7.5 %7.5 %

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NGOODF157 / 16229

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