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ACI-ASTM CH20 Steel vs. C75700 Nickel Silver

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C75700 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 ACI-ASTM CH20 steel and the bottom bar is C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 38
3.2 to 22
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 78
45
Tensile Strength: Ultimate (UTS), MPa 610
590 to 610
Tensile Strength: Yield (Proof), MPa 350
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 310
200
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1410
1040
Melting Onset (Solidus), °C 1430
990
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
30
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.7
3.6
Embodied Energy, MJ/kg 53
56
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 300
930 to 1410
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
19 to 20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 15
22 to 23

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
63.5 to 66.5
Iron (Fe), % 54.7 to 66
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
11 to 13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
19.2 to 25.5
Residuals, % 0
0 to 0.5