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ASTM A356 Grade 9 vs. C74400 Nickel Silver

ASTM A356 grade 9 belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 28 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 ASTM A356 grade 9 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, % 17
43
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 670
350
Tensile Strength: Yield (Proof), MPa 460
120

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 440
140
Melting Completion (Liquidus), °C 1470
930
Melting Onset (Solidus), °C 1430
910
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 41
120
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
29

Otherwise Unclassified Properties

Base Metal Price, % relative 3.6
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.4
2.9
Embodied Energy, MJ/kg 33
48
Embodied Water, L/kg 56
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 570
63
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 22
14
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 95.2 to 97.2
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 0.9
0
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0
2.0 to 4.0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.2 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3