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C68800 Brass vs. AWS E70C-Ni2

C68800 brass belongs to the copper alloys classification, while AWS E70C-Ni2 belongs to the iron 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 C68800 brass and the bottom bar is AWS E70C-Ni2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 36
27
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
72
Tensile Strength: Ultimate (UTS), MPa 570 to 890
560
Tensile Strength: Yield (Proof), MPa 390 to 790
450

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Melting Completion (Liquidus), °C 960
1450
Melting Onset (Solidus), °C 950
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 40
52
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 20
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 26
3.3
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 48
22
Embodied Water, L/kg 350
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
540
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19 to 30
20
Strength to Weight: Bending, points 19 to 25
19
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 30
17

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
0 to 0.080
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0 to 0.35
Iron (Fe), % 0 to 0.2
94.1 to 98.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.3
Nickel (Ni), % 0
1.8 to 2.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0
0 to 0.5