AWS E312 vs. C43400 Brass

AWS E312 belongs to the iron alloys classification, while C43400 brass belongs to the copper 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 AWS E312 and the bottom bar is C43400 brass.

AWS E312 (W31310) Weld Metal UNS C43400 Tin Brass

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		25
Elongation at Break, %		3.0 to 49

Poisson's Ratio		0.27
Poisson's Ratio		0.33

Shear Modulus, GPa		80
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		310 to 690

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		1020

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		990

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

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

Density, g/cm³		7.7
Density, g/cm³		8.6

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

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		44

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

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		7.2

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

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		10 to 22

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		12 to 20

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		11 to 24

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), %		84 to 87

Iron (Fe), %		52.3 to 63.5
Iron (Fe), %		0 to 0.050

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

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

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

Tin (Sn), %		0
Tin (Sn), %		0.4 to 1.0

Zinc (Zn), %		0
Zinc (Zn), %		11.4 to 15.6

Residuals, %		0
Residuals, %		0 to 0.5