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Hard Drawn ASTM B596 vs. Work Hardened ASTM B522 Class I

Both hard drawn ASTM B596 and work hardened ASTM B522 class I are otherwise unclassified metals. Both are furnished in the cold worked (strain hardened) condition. They have 69% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is hard drawn ASTM B596 and the bottom bar is work hardened ASTM B522 class I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
96
Elongation at Break, % 4.3
1.1
Poisson's Ratio 0.41
0.41
Shear Modulus, GPa 36
34
Shear Strength, MPa 360
280
Tensile Strength: Ultimate (UTS), MPa 620
490

Thermal Properties

Latent Heat of Fusion, J/g 77
77
Melting Completion (Liquidus), °C 1060
1030
Melting Onset (Solidus), °C 930
1030
Specific Heat Capacity, J/kg-K 150
160
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
5.8

Otherwise Unclassified Properties

Density, g/cm3 18
17

Common Calculations

Stiffness to Weight: Axial, points 3.1
3.1
Stiffness to Weight: Bending, points 8.5
8.9
Strength to Weight: Axial, points 9.4
7.8
Strength to Weight: Bending, points 8.8
8.0
Thermal Shock Resistance, points 30
24

Alloy Composition


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Copper (Cu), % 9.0 to 11
0
Gold (Au), % 89 to 91
68 to 70
Platinum (Pt), % 0
5.0 to 7.0
Silver (Ag), % 0
23.5 to 26.5
Residuals, % 0 to 0.4
0 to 0.35