Deriney 72

General Alloy Overview

ASTM

N/A

Application Examples

Radiopaque guidewire tip microcoils; cantilever probes; vertical probes; wear and corrosion reistant bearing material

Industry Examples

Tempers

Annealed, SR, CW > 70% AR, CW < 70% AR, HTCW > 70% AR, HTCW < 70% AR

Available Forms

Rod, Wire, Strip, Cut-Offs, Probes

Constant (Temper - Independent) Properties

ParameterValue
Solidus, °F (°C)2831 (1555)
Liquidus, °F (°C)2867 (1575)
Melting Range, °F (°C)68 (20)
Density dwt/in3 (g/cm3)172.8 (16.4)
Electrical Resistivity, µΩ-cmf (µΩ-cm)297 (49.3)
Electrical Conductivity, %IACS3.5
Temperature Coefficent of Resistance, /°F (/K)0.00033 (0.0006)
Thermal Conductivity, Btu/hr-ft-°F (W/m-K)8.4 (14.5)
Coefficient of Thermal Expansion, /°F (/K)0.0000067 (0.000012)
ParameterValue
Thermal EMF vs. Pt, µV/°F (µV/°C)14.8 (26.7)
Specific Heat Capacity, Btu/lb-°F (J/g-K)0.04776 (0.2)
Elastic Modulus, Msi (GPa)29.6 (204)
Shear Modulus Msi (GPa)10.84 (75)
Poisson's Ratio0.363
Single phase/multiphaseSingle Phase
Lattice parameter3.68
Emissivity0.368

Annealed Properties

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)165 (1140)
Ultimate Tensile Strength, ksi (MPa)205 (1410)
Elongation to Failure, %13
ParameterValue
Knoop Microhardness, HK100334.8
Vickers Microhardness, HV100327.4

Stress Relieved Properties

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)247 (1703)
Ultimate Tensile Strength, ksi (MPa)283 (1948.5)
Elongation to Failure, %1
ParameterValue
Knoop Microhardness, HK100456.4
Vickers Microhardness, HV100445.4

CW > 70% AR Properties

Material Tested: Wire
Size: 0.001-0.004in (25-100 um) diameter

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)310 (2140)
Ultimate Tensile Strength, ksi (MPa)330 (2270)
ParameterValue
Elongation to Failure, %2
Knoop Microhardness, HK100530

CW >70% AR Properties

Material Tested: Wire
Size: 0.004-0.040in (0.10-1.0 mmm) diameter

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)250 (1720)
Ultimate Tensile Strength, ksi (MPa)280 (1930)
Elongation to Failure, %2
ParameterValue
Knoop Microhardness, HK100250 (1720)
Vickers Microhardness, HV100

CW <70% AR Properties

Material Tested: Wire
Size: Size: 0.004-0.040in (25-100 um) diameter

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)200 (1380)
Ultimate Tensile Strength, ksi (MPa)230 (1580)
ParameterValue
Elongation to Failure, %3

HTCW >70% AR Properties

Material Tested: Wire
Size: 0.001-0.004in (25-100 um) diameter

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)369 (2545)
Ultimate Tensile Strength, ksi (MPa)370 (2550)
ParameterValue
Elongation to Failure, %2
Knoop Microhardness, HK50625

HTCW <70% AR Properties

Material Tested: Wire
Size: 0.004-0.040in (0.10-1.0 mmm) diameter

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)369 (2545)
Ultimate Tensile Strength, ksi (MPa)370 (2550)
ParameterValue
Elongation to Failure, %2
Knoop Microhardness, HK50530

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