C66700 Brass vs. AWS E312

C66700 brass 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 C66700 brass and the bottom bar is AWS E312.

UNS C66700 Manganese Brass 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, %		2.0 to 58
Elongation at Break, %		25

Poisson's Ratio		0.31
Poisson's Ratio		0.27

Shear Modulus, GPa		41
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		340 to 690
Tensile Strength: Ultimate (UTS), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1090
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1050
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		25
Base Metal Price, % relative		20

Density, g/cm³		8.2
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		45
Embodied Energy, MJ/kg		52

Embodied Water, L/kg		320
Embodied Water, L/kg		200

Common Calculations

Stiffness to Weight: Axial, points		7.3
Stiffness to Weight: Axial, points		15

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

Strength to Weight: Axial, points		11 to 23
Strength to Weight: Axial, points		27

Strength to Weight: Bending, points		13 to 21
Strength to Weight: Bending, points		24

Thermal Shock Resistance, points		11 to 23
Thermal Shock Resistance, points		18

Alloy Composition

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

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

Copper (Cu), %		68.5 to 71.5
Copper (Cu), %		0 to 0.75

Iron (Fe), %		0 to 0.1
Iron (Fe), %		52.3 to 63.5

Lead (Pb), %		0 to 0.070
Lead (Pb), %		0

Manganese (Mn), %		0.8 to 1.5
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
Silicon (Si), %		0 to 1.0

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

Zinc (Zn), %		26.3 to 30.7
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0