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C66900 Brass vs. AWS ER70S-A1

C66900 brass belongs to the copper alloys classification, while AWS ER70S-A1 belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is AWS ER70S-A1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.1 to 26
22
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 45
73
Tensile Strength: Ultimate (UTS), MPa 460 to 770
590
Tensile Strength: Yield (Proof), MPa 330 to 760
450

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 860
1460
Melting Onset (Solidus), °C 850
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 310
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
540
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15 to 26
21
Strength to Weight: Bending, points 16 to 23
20
Thermal Shock Resistance, points 14 to 23
17

Alloy Composition

Carbon (C), % 0
0 to 0.12
Copper (Cu), % 62.5 to 64.5
0 to 0.35
Iron (Fe), % 0 to 0.25
96.1 to 99.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
0 to 1.3
Molybdenum (Mo), % 0
0.4 to 0.65
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.3 to 0.7
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0
0 to 0.5