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C94400 Bronze vs. AWS ER70S-A1

C94400 bronze belongs to the copper alloys classification, while AWS ER70S-A1 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C94400 bronze and the bottom bar is AWS ER70S-A1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 18
22
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 37
73
Tensile Strength: Ultimate (UTS), MPa 220
590
Tensile Strength: Yield (Proof), MPa 110
450

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Melting Completion (Liquidus), °C 940
1460
Melting Onset (Solidus), °C 790
1420
Specific Heat Capacity, J/kg-K 350
470
Thermal Conductivity, W/m-K 52
50
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 32
2.5
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 54
20
Embodied Water, L/kg 390
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
120
Resilience: Unit (Modulus of Resilience), kJ/m3 60
540
Stiffness to Weight: Axial, points 6.1
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
20
Thermal Diffusivity, mm2/s 17
14
Thermal Shock Resistance, points 8.3
17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.12
Copper (Cu), % 76.1 to 84
0 to 0.35
Iron (Fe), % 0 to 0.15
96.1 to 99.3
Lead (Pb), % 9.0 to 12
0
Manganese (Mn), % 0
0 to 1.3
Molybdenum (Mo), % 0
0.4 to 0.65
Nickel (Ni), % 0 to 1.0
0 to 0.2
Phosphorus (P), % 0 to 0.050
0 to 0.025
Silicon (Si), % 0 to 0.0050
0.3 to 0.7
Sulfur (S), % 0 to 0.080
0 to 0.025
Tin (Sn), % 7.0 to 9.0
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.5