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PRODUCT DATA of MP35N
MaterialMP35N
Product DatasheetMP35N
General InformationMP35N is a vacuum induction, vacuum arc remelted alloy which can be work-strengthened and aged to ultrahigh strengths. This alloy is suitable for parts requiring ultrahigh strength, good ductility and excellent corrosion and oxidation resistance up to 370 C.
Use in Spacecraftfasteners, springs, nonmagnetic electrical components and instrument parts
Processing and AssemblyData for Solution treated, cold drawn, and aged bar
Product TypeNickel-Cobalt Alloy
Chemical Composition35% Co, 35% Ni, 20% Cr, 10% Mo, 0.15% Fe.
Name of ManufacturerSPS Technologies
301 Highland Avenue, Jenkintown, PA 19046, USA
+1 215-572-3718
+1 215-572-3193
mdonoghue@spstech.com
www.spstech.com
PHYSICAL PROPERTIES
Specific Gravity8.43
ELASTIC PROPERTIES
Tensile Modulus234 GPa
Shear Modulus80.7 GPa
Bulk Modulus313 GPa
Poisson Ratio0.375
THERMAL PROPERTIES
Temperature Range400 °C
In the fully work hardened condition
Thermal Conductivity10.7 W/m.K
Thermal Expansion Coefficient12.8 μstrain/°C
Remark:21 to 93°C
Melting Range1315 to 1440 °C
Specific Heat0.75 J/g.K
Value possibly too high.
Comparisons with similar alloys and calculations suggest 0.4 to 0.5 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
Stress Corrosion StatusHigh Resistance to SCC: Table 1
Data Quality: Design Data
EMF vs SCE-0.15 V
Data Quality: Design Data
Bimetallic CorrosionCan be connected without any restriction to: 400 series Stainless steel
Can be connected in a non-controlled environment to the above and 300 series stainless steel, Ti and Ti-alloys, Cr, Cu, brasses, Cu-Ni, Al-bronzes, Si-bronzes,
Can be connected in a clean room environment to above and Ag, SnPb alloys, Sn, Pb, low C steel, Al-Cu alloys, Cd, Au
Needs specific measures: All others
Test:ECSS-Q-ST-70C Rev.1 Table 5.1
Data Quality: Design Data