AWS E320 vs. C28500 Muntz Metal

AWS E320 belongs to the iron alloys classification, while C28500 Muntz Metal belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E320 and the bottom bar is C28500 Muntz Metal.

AWS E320 (W88021) Weld Metal UNS C28500 Muntz Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		34
Elongation at Break, %		20

Poisson's Ratio		0.28
Poisson's Ratio		0.3

Shear Modulus, GPa		77
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		520

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		170

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		900

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		890

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		38
Base Metal Price, % relative		22

Density, g/cm³		8.2
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		6.5
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		91
Embodied Energy, MJ/kg		46

Embodied Water, L/kg		220
Embodied Water, L/kg		320

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		18

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		17

Alloy Composition

Carbon (C), %		0 to 0.070
Carbon (C), %		0

Chromium (Cr), %		19 to 21
Chromium (Cr), %		0

Copper (Cu), %		3.0 to 4.0
Copper (Cu), %		57 to 59

Iron (Fe), %		31.8 to 43.5
Iron (Fe), %		0 to 0.35

Lead (Pb), %		0
Lead (Pb), %		0 to 0.25

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

Molybdenum (Mo), %		2.0 to 3.0
Molybdenum (Mo), %		0

Nickel (Ni), %		32 to 36
Nickel (Ni), %		0

Niobium (Nb), %		0 to 1.0
Niobium (Nb), %		0

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

Silicon (Si), %		0 to 0.6
Silicon (Si), %		0

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

Zinc (Zn), %		0
Zinc (Zn), %		39.5 to 43

Residuals, %		0
Residuals, %		0 to 0.9