C61800 Bronze vs. AWS E312

C61800 bronze belongs to the copper alloys classification, while AWS E312 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is AWS E312.

UNS C61800 (CW305G) Aluminum Bronze AWS E312 (W31310) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		26
Elongation at Break, %		25

Poisson's Ratio		0.34
Poisson's Ratio		0.27

Shear Modulus, GPa		44
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1050
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1040
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		28
Base Metal Price, % relative		20

Density, g/cm³		8.3
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		3.1
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		52

Embodied Water, L/kg		390
Embodied Water, L/kg		200

Common Calculations

Stiffness to Weight: Axial, points		7.5
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		25
Strength to Weight: Axial, points		27

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		24

Thermal Shock Resistance, points		26
Thermal Shock Resistance, points		18

Alloy Composition

Aluminum (Al), %		8.5 to 11
Aluminum (Al), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.15

Chromium (Cr), %		0
Chromium (Cr), %		28 to 32

Copper (Cu), %		86.9 to 91
Copper (Cu), %		0 to 0.75

Iron (Fe), %		0.5 to 1.5
Iron (Fe), %		52.3 to 63.5

Lead (Pb), %		0 to 0.020
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0.5 to 2.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		0
Nickel (Ni), %		8.0 to 10.5

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0 to 0.1
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Zinc (Zn), %		0 to 0.020
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0