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AWS ERNi-1 vs. C68700 Brass

AWS ERNi-1 belongs to the nickel alloys classification, while C68700 brass belongs to the copper alloys. There are 23 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 ERNi-1 and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 69
41
Tensile Strength: Ultimate (UTS), MPa 470
390

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Melting Completion (Liquidus), °C 1360
970
Melting Onset (Solidus), °C 1310
930
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 73
100
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
23
Electrical Conductivity: Equal Weight (Specific), % IACS 19
25

Otherwise Unclassified Properties

Base Metal Price, % relative 60
26
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 230
340

Common Calculations

Stiffness to Weight: Axial, points 12
7.3
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 15
13
Strength to Weight: Bending, points 15
14
Thermal Diffusivity, mm2/s 19
30
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 1.5
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
76 to 79
Iron (Fe), % 0 to 1.0
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 93 to 98
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.0 to 3.5
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5