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C74500 Nickel Silver vs. AISI 439 Stainless Steel

C74500 nickel silver belongs to the copper alloys classification, while AISI 439 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C74500 nickel silver and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.0 to 24
23
Poisson's Ratio 0.32
0.28
Rockwell B Hardness 66 to 94
78
Shear Modulus, GPa 44
77
Shear Strength, MPa 310 to 380
310
Tensile Strength: Ultimate (UTS), MPa 390 to 700
490
Tensile Strength: Yield (Proof), MPa 380 to 600
250

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 170
890
Melting Completion (Liquidus), °C 1020
1510
Melting Onset (Solidus), °C 970
1430
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 45
25
Thermal Expansion, µm/m-K 19
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.0
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.3
Embodied Energy, MJ/kg 54
34
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
95
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
160
Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 23
18
Strength to Weight: Bending, points 14 to 21
18
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 13 to 23
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 63.5 to 66.5
0
Iron (Fe), % 0 to 0.25
77.1 to 82.8
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 9.0 to 11
0 to 0.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.1
Zinc (Zn), % 21.2 to 27.5
0
Residuals, % 0 to 0.5
0