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SAE-AISI 1340 Steel vs. C74400 Nickel Silver

SAE-AISI 1340 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 (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1340 steel and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 23
43
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
39
Shear Strength, MPa 340 to 440
240
Tensile Strength: Ultimate (UTS), MPa 540 to 730
350
Tensile Strength: Yield (Proof), MPa 300 to 620
120

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 400
140
Melting Completion (Liquidus), °C 1450
930
Melting Onset (Solidus), °C 1410
910
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 51
120
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
48
Embodied Water, L/kg 48
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 1040
63
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19 to 26
12
Strength to Weight: Bending, points 19 to 23
14
Thermal Diffusivity, mm2/s 14
37
Thermal Shock Resistance, points 17 to 23
12

Alloy Composition

Carbon (C), % 0.38 to 0.43
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 97.2 to 97.9
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.6 to 1.9
0
Nickel (Ni), % 0
2.0 to 4.0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3