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AISI 431 Stainless Steel vs. C75700 Nickel Silver

AISI 431 stainless steel belongs to the iron alloys classification, while C75700 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 15 to 17
3.2 to 22
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
45
Shear Strength, MPa 550 to 840
350 to 370
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
590 to 610
Tensile Strength: Yield (Proof), MPa 710 to 1040
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 850
180
Melting Completion (Liquidus), °C 1510
1040
Melting Onset (Solidus), °C 1450
990
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.2
3.6
Embodied Energy, MJ/kg 31
56
Embodied Water, L/kg 120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
930 to 1410
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 50
19 to 20
Strength to Weight: Bending, points 27 to 36
19
Thermal Diffusivity, mm2/s 7.0
12
Thermal Shock Resistance, points 28 to 43
22 to 23

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
63.5 to 66.5
Iron (Fe), % 78.2 to 83.8
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 1.3 to 2.5
11 to 13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
19.2 to 25.5
Residuals, % 0
0 to 0.5