C66900 Brass vs. AWS E312

C66900 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 (10, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is AWS E312.

UNS C66900 Manganese Brass AWS E312 (W31310) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		1.1 to 26
Elongation at Break, %		25

Poisson's Ratio		0.32
Poisson's Ratio		0.27

Shear Modulus, GPa		45
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		460 to 770
Tensile Strength: Ultimate (UTS), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		860
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		850
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		400
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		23
Base Metal Price, % relative		20

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

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		46
Embodied Energy, MJ/kg		52

Embodied Water, L/kg		310
Embodied Water, L/kg		200

Common Calculations

Stiffness to Weight: Axial, points		8.1
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		15 to 26
Strength to Weight: Axial, points		27

Strength to Weight: Bending, points		16 to 23
Strength to Weight: Bending, points		24

Thermal Shock Resistance, points		14 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), %		62.5 to 64.5
Copper (Cu), %		0 to 0.75

Iron (Fe), %		0 to 0.25
Iron (Fe), %		52.3 to 63.5

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0

Manganese (Mn), %		11.5 to 12.5
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), %		22.5 to 26
Zinc (Zn), %		0

Residuals, %		0 to 0.2
Residuals, %		0