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AWS ERNiCrMo-2 vs. ZA-8

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while ZA-8 belongs to the zinc alloys. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
85 to 86
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 81
34
Tensile Strength: Ultimate (UTS), MPa 750
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 320
110
Melting Completion (Liquidus), °C 1460
400
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 11
120
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
40

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 8.4
6.3
Embodied Carbon, kg CO2/kg material 9.2
3.3
Embodied Energy, MJ/kg 120
62
Embodied Water, L/kg 270
420

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
9.3 to 17
Strength to Weight: Bending, points 22
12 to 18
Thermal Diffusivity, mm2/s 2.9
42
Thermal Shock Resistance, points 20
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0.8 to 1.3
Iron (Fe), % 17 to 20
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.045
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Tungsten (W), % 0.2 to 1.0
0
Zinc (Zn), % 0
89.7 to 91.2
Residuals, % 0 to 0.5
0