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SAE-AISI 8620 Steel vs. C75700 Nickel Silver

SAE-AISI 8620 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 (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8620 steel and the bottom bar is C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 13 to 31
3.2 to 22
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
45
Shear Strength, MPa 340 to 420
350 to 370
Tensile Strength: Ultimate (UTS), MPa 520 to 690
590 to 610
Tensile Strength: Yield (Proof), MPa 360 to 570
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 410
180
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1420
990
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
30
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.5
3.6
Embodied Energy, MJ/kg 20
56
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 150
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
930 to 1410
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 24
19 to 20
Strength to Weight: Bending, points 18 to 22
19
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 15 to 20
22 to 23

Alloy Composition

Carbon (C), % 0.18 to 0.23
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
63.5 to 66.5
Iron (Fe), % 96.9 to 98
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.7 to 0.9
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
11 to 13
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
19.2 to 25.5
Residuals, % 0
0 to 0.5