AWS E312 vs. C66900 Brass

AWS E312 belongs to the iron alloys classification, while C66900 brass belongs to the copper 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 AWS E312 and the bottom bar is C66900 brass.

AWS E312 (W31310) Weld Metal UNS C66900 Manganese Brass

Metric UnitsUS Customary Units

Mechanical Properties

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

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

Poisson's Ratio		0.27
Poisson's Ratio		0.32

Shear Modulus, GPa		80
Shear Modulus, GPa		45

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

Thermal Properties

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

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

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

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		400

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

Otherwise Unclassified Properties

Base Metal Price, % relative		20
Base Metal Price, % relative		23

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

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

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

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

Common Calculations

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

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

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

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

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		14 to 23

Alloy Composition

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

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

Copper (Cu), %		0 to 0.75
Copper (Cu), %		62.5 to 64.5

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

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

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		11.5 to 12.5

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

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

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

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

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

Zinc (Zn), %		0
Zinc (Zn), %		22.5 to 26

Residuals, %		0
Residuals, %		0 to 0.2