Paliney 7

General Alloy Overview

ASTM

Application Examples

Industry Examples

Tempers

Available Forms

Properties

PropertiesAnnealedStress RelievedDuctile Heat Treated (Age Hardened)Heat Treated (Age Hardened)
Resistivity, normal, ohm-cmf (Microhm cm )210 (34.9)200 (33.2)190 (31.6)190 (31.6)
Density, Dwt/in3 (grams/cm3)124.5 (11.8)124.5 (11.8)124.5 (11.8)124.5 (11.8)
Solidus Temperature, °F (°C)1860 (1015)1860 (1015)1860 (1015)1860 (1015)
Coeff. of Linear Expansion, °F (°C)7.5x10-6 (13.5x10-6)7.5x10-6 (13.5x10-6)7.5x10-6 (13.5x10-6)7.5x10-6 (13.5x10-6)
Thermal emf vs Platinum, (0-100°C), µV/°C-10-9-8-8
Fatigue Strength (Rotating-Bending) at 108 cycles, psi (MPa)50,00050,00050,00050,000
Modulus of Elasticity, psi (MPa)17x106 17x106 17x106 17x106

Wire Properties

Properties Annealed Stress RelievedDuctile Heat Treated (Age Hardened)Heat Treated (Age Hardened)
Proportional Limits, psi90,000135,000135,000145,000
Ultimate Tensile Strength, psi
  • 0.004-0.020 dia
  • 0.021-0.040 dia
  • 0.041-0.080 dia

110,000-130,000
100,000-125,000
95,000-120,000

140,000-170,000
-
-

160,000-190,000
160,000-190,000
155,000-185,000

160,000-200,000
160,000-195,000
155,000-190,000
Elongation, % in 2 inches
  • 0.004-0.020 dia
  • 0.021-0.080 dia

20 min
15-35

10-20
-

8 min
-

1-10
1-10
Knoop Hardness, 100 gram load
  • (50 gram under 0.005 thick)
  • 0.004-0.010 dia
  • 0.011-0.020 dia
  • 0.021-0.040 dia


200-250
210-260
210-260


280-340
280-340
-


320-370
320-370
310-360


350-410
350-410
340-400
Vickers Hardness 100 gram load
  • (50 gram under 0.005 thick)
  • 0.004-0.020 dia
  • 0.020-0.040 dia., Headed


190-250
190-250


265-340
-


320-380
320-380


330-400
330-400

Strip, Ribbon and Rolled Shape Properties

Properties Annealed Stress RelievedDuctile Heat Treated (Age Hardened)Heat Treated (Age Hardened)
Proportional Limits, psi100,000-135,000145,000
Ultimate Tensile Strength, psi
  • 0.003-0.010 thick
  • 0.021-0.08 thick

110,000-135,000
110,000-135,000

-
-

150,000-185,000
150,000-185,000

160,000-200,000
150,000-190,000
Elongation, % in 2 inches
  • 0.003-0.020 thick

12-30

-

8-20

1-10
Knoop Hardness, 100 gram load
  • (50 gram under 0.005 thick)
  • 0.003-0.020 thick


200-250


-


300-360


340-400
Vickers Hardness 100 gram load
  • (50 gram under 0.005 thick)
  • 0.003-0.020 thick


185-255


-


320-380


330-400

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