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AISI 431 Stainless Steel vs. C74000 Nickel Silver

AISI 431 stainless steel belongs to the iron alloys classification, while C74000 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 850
180
Melting Completion (Liquidus), °C 1510
990
Melting Onset (Solidus), °C 1450
950
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
40
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
42

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.2
3.4
Embodied Energy, MJ/kg 31
54
Embodied Water, L/kg 120
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 50
13 to 19
Strength to Weight: Bending, points 27 to 36
14 to 18
Thermal Shock Resistance, points 28 to 43
13 to 19

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
69 to 73.5
Iron (Fe), % 78.2 to 83.8
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 1.3 to 2.5
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
14.2 to 22
Residuals, % 0
0 to 0.5