AWS E33-31 vs. C69400 Brass

AWS E33-31 belongs to the iron alloys classification, while C69400 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 E33-31 and the bottom bar is C69400 brass.

AWS E33-31 (W33310) Weld Metal UNS C69400 Silicon Red Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		29
Elongation at Break, %		17

Poisson's Ratio		0.27
Poisson's Ratio		0.33

Shear Modulus, GPa		81
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		810
Tensile Strength: Ultimate (UTS), MPa		570

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		260

Melting Completion (Liquidus), °C		1380
Melting Completion (Liquidus), °C		920

Melting Onset (Solidus), °C		1330
Melting Onset (Solidus), °C		820

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		27

Density, g/cm³		7.9
Density, g/cm³		8.3

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		86
Embodied Energy, MJ/kg		44

Embodied Water, L/kg		260
Embodied Water, L/kg		300

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		7.4

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

Strength to Weight: Axial, points		28
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		18

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		20

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0

Chromium (Cr), %		31 to 35
Chromium (Cr), %		0

Copper (Cu), %		0.4 to 0.8
Copper (Cu), %		80 to 83

Iron (Fe), %		24.7 to 34.8
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0
Lead (Pb), %		0 to 0.3

Manganese (Mn), %		2.5 to 4.0
Manganese (Mn), %		0

Molybdenum (Mo), %		1.0 to 2.0
Molybdenum (Mo), %		0

Nickel (Ni), %		30 to 32
Nickel (Ni), %		0

Nitrogen (N), %		0.3 to 0.5
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0

Silicon (Si), %		0 to 0.9
Silicon (Si), %		3.5 to 4.5

Sulfur (S), %		0 to 0.010
Sulfur (S), %		0

Zinc (Zn), %		0
Zinc (Zn), %		11.5 to 16.5

Residuals, %		0
Residuals, %		0 to 0.5