Paliney 25

General Alloy Overview

ASTM

N/A

Application Examples

Semiconductor Test Probes/ Electrical Contacts

Industry Examples

Semiconductor, Industrial, Automotive, Aerospace

Tempers

Age Hardened

Availible Forms

Wire, Strip

Temper Independent Properties

ParameterValueValue 2
Solidus, °F (°C)1995(1090)
Liquidus, °F (°C)2130(1165)
Melting Range, °F (°C)135(75)
Density, dwt/in³­ (g/cm³)112(10.6)
Specific Heat Capacity, Btu/lb·°F, (J/g·K)0.07(0.29)
Coefficient of Thermal Expansion, /°F (/K)1.5×10-5(8.3×10-4)
Thermal EMF vs Pt, μV/°F (μV/°C)
Emissivity
ParameterValueValue 2
Thermal Conductivity, Btu/hr·ft·°F (W/m·k)67(110)
Temperature Coefficient of Resistance, /°F (/K)7.3×10-4(1.3×10-3)
Electrical Resistivity, Ω·cmf (µΩ·cm)38(6.3)
Electrical Conductivity, %IACS28 (‡)
Elastic Modulus, Msi (GPa)19.6(135)
Shear Modulus, Msi (GPa)7.2(135)
Poissons Ratio0.36
Nobility, %53

Temper Dependent Properties

Age Hardened (HTS Temper) - Wire - Cut Length 0.002 - 0.022 in. (0.05 - 0.55 mm) diameter

ParameterNominalMin
NominalMin
0.2% Offset Yield Strength, ksi (MPa)150 (1035)130 (900)
Tensile Elongation to Failure, %158
Vickers Microhardness, HV(N/A)
ParameterNominalMin
NominalMin
Ultimate Tensile Strength, ksi (MPa)205 (1415)170 (1170)
Knoop Microhardness, HK410380

Age Hardened (HTSC Temper) - Wire - Spool 0.002 - 0.022 in. (0.05 - 0.55 mm) diameter

ParameterNominalMin
NominalMin
0.2% Offset Yield Strength, ksi (MPa)160 (1100)(N/A)
Tensile Elongation to Failure, %188
Vickers Microhardness, HV380355
ParameterNominalMin
NominalMin
Ultimate Tensile Strength, ksi (MPa)200 (1380)160 (1100)
Knoop Microhardness, HK390340

Age Hardened (HTA Temper) - Strip 0.0004 - 0.030 in. (0.001 - 0.75 mm) thickness

ParameterNominalMin
NominalMin
0.2% Offset Yield Strength, ksi (MPa)145 (1000)135 (930)
Tensile Elongation to Failure, %73
Vickers Microhardness, HV390365
ParameterNominalMin
NominalMin
Ultimate Tensile Strength, ksi (MPa)185 (1275)170 (1170)
Knoop Microhardness, HK350

† - Values containing † are available upon request

‡ - Values containing (‡) only apply to age hardened conditions ​

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