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AISI 429 Stainless Steel vs. C74500 Nickel Silver

AISI 429 stainless steel belongs to the iron alloys classification, while C74500 nickel silver belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 429 stainless steel and the bottom bar is C74500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 25
3.0 to 24
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 78
66 to 94
Shear Modulus, GPa 77
44
Shear Strength, MPa 300
310 to 380
Tensile Strength: Ultimate (UTS), MPa 480
390 to 700
Tensile Strength: Yield (Proof), MPa 260
380 to 600

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 810
170
Melting Completion (Liquidus), °C 1440
1020
Melting Onset (Solidus), °C 1400
970
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
45
Thermal Expansion, µm/m-K 10
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
29
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
3.4
Embodied Energy, MJ/kg 28
54
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
12 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 170
620 to 1540
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
13 to 23
Strength to Weight: Bending, points 18
14 to 21
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 17
13 to 23

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
63.5 to 66.5
Iron (Fe), % 81.8 to 86
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
21.2 to 27.5
Residuals, % 0
0 to 0.5