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AISI 309Cb Stainless Steel vs. C74400 Nickel Silver

AISI 309Cb stainless steel belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 29 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 309Cb stainless steel and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
43
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
39
Shear Strength, MPa 390
240
Tensile Strength: Ultimate (UTS), MPa 580
350
Tensile Strength: Yield (Proof), MPa 230
120

Thermal Properties

Latent Heat of Fusion, J/g 300
180
Maximum Temperature: Mechanical, °C 1090
140
Melting Completion (Liquidus), °C 1420
930
Melting Onset (Solidus), °C 1380
910
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
29

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.1
2.9
Embodied Energy, MJ/kg 59
48
Embodied Water, L/kg 170
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 20
12
Strength to Weight: Bending, points 20
14
Thermal Diffusivity, mm2/s 4.0
37
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 56 to 66
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 16
2.0 to 4.0
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3