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C79600 Nickel Silver vs. ASTM A387 Grade 21 Steel

C79600 nickel silver belongs to the copper alloys classification, while ASTM A387 grade 21 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C79600 nickel silver and the bottom bar is ASTM A387 grade 21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 15
21
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 43
74
Shear Strength, MPa 290
310 to 370
Tensile Strength: Ultimate (UTS), MPa 480
500 to 590
Tensile Strength: Yield (Proof), MPa 300
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 130
480
Melting Completion (Liquidus), °C 930
1470
Melting Onset (Solidus), °C 880
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 36
41
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.1
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.5
1.8
Embodied Energy, MJ/kg 57
23
Embodied Water, L/kg 310
62

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 400
140 to 320
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
18 to 21
Strength to Weight: Bending, points 17
18 to 20
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 15
14 to 17

Alloy Composition

Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
2.8 to 3.3
Copper (Cu), % 43.5 to 46.5
0
Iron (Fe), % 0
94.4 to 96
Lead (Pb), % 0.8 to 1.2
0
Manganese (Mn), % 1.5 to 2.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 38.3 to 45.2
0
Residuals, % 0 to 0.5
0