Super Invar 32-5 Properties

Super Invar properties mechanical physical chemistry specificationsSuper Invar 32-5 is a controlled expansion alloy with nominal 32% nickel.  Provided on this page are Super Invar 32-5 properties tables which contain the common physical properties, mechanical properties, chemistry, specifications and thermal expansion data for this alloy.

If you have any questions regarding the properties of this alloy contact us.  Along with our experienced sales team, we have metallurgists on-staff to assist you in using this alloy in your project. For a Super Invar 32-5 data sheet, or any other Controlled Expansion Alloy data sheets, please go to our Alloys and Metals Literature Library section.

Contact the team at Ed Fagan Inc. with your inquiry at 800-348-6268.

Super Invar 32-5 Annealed Average Linear Coefficient of Thermal Expansion, μm/m°C
Temperature Range °CUNS No. K93500 871°C 1 h,
Furnace Cool
Temperature Range °CUNS No. K93500 871°C 1 h,
Furnace Cool
30 to 1000.8430 to 4007.03
30 to 1501.1730 to 5008.99
30 to 2001.7230 to 60010.56
30 to 2502.5330 to 70011.56
30 to 3004.1630 to 80012.21
30 to 3505.7430 to 90012.96

For comparison linear coefficient of thermal expansion data on all of our controlled expansion, glass and ceramic sealing alloys, please refer to our Thermal Expansion Table.

Super Invar 32-5 Physical Properties
Densitylb/cu in0.294
Specific Gravity8.15
Curie Temp°F470
Melting Point°F2600
Electrical ResistivityMicrohm-cm82
ohm-cir mil/ft481
Thermal ConductivityW/cm °C0.10
BTU-in/sq. ft-hr-72.6
Specific HeatCal/gm °C0.12
BTU/lbm- °F0.12
Thermal Expansionppm / °F (75°F to 842°F)4.5
ppm / °C (25°C to 450°C)8.0
Super Invar 32-5 Mechanical Properties
Tensile Strengthksi70
Yield Strengthksi40
Elongation% in 2 in.40
Typical Hardness Ann.Rockwell HRB75
Modulus of ElasticityMpsi21
Super Invar 32-5 Chemical Composition 
Iron, nominalBal
Nickel, nominal32.0
Cobalt, max5.0
Manganese, max0.60
Silicon, max0.25
Chromium, max0.25
Carbon, max0.05
Aluminum, max0.10
Magnesium, max0.10
Zirconium, max0.10
Titanium, max0.10
Phosphorus, max0.015
Sulfur, max0.015
Super Invar 32-5 Specifications
ASTM F1684UNS K93500

For additional information on specifications of the materials distributed by Ed Fagan Inc., please visit the websites of the international standards organizations that develops and publishes technical standards, ASTM International and ASM International.