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AWS ER80S-B2 vs. C71580 Copper-nickel

AWS ER80S-B2 belongs to the iron alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 27 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 AWS ER80S-B2 and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 21
40
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
51
Tensile Strength: Ultimate (UTS), MPa 620
330
Tensile Strength: Yield (Proof), MPa 540
110

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
41
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.6
5.1
Embodied Energy, MJ/kg 21
74
Embodied Water, L/kg 54
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 760
47
Stiffness to Weight: Axial, points 13
8.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
10
Strength to Weight: Bending, points 21
12
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 18
11

Alloy Composition

Carbon (C), % 0.070 to 0.12
0 to 0.070
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0 to 0.35
65.5 to 71
Iron (Fe), % 95.2 to 97.5
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.4 to 0.7
0 to 0.3
Molybdenum (Mo), % 0.4 to 0.65
0
Nickel (Ni), % 0 to 0.2
29 to 33
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.4 to 0.7
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5