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AWS E320 vs. CR005A Copper

AWS E320 belongs to the iron alloys classification, while CR005A copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E320 and the bottom bar is CR005A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 34
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Melting Completion (Liquidus), °C 1410
1090
Melting Onset (Solidus), °C 1360
1040
Specific Heat Capacity, J/kg-K 460
390
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 38
31
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 6.5
2.6
Embodied Energy, MJ/kg 91
41
Embodied Water, L/kg 220
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21
7.1
Strength to Weight: Bending, points 20
9.3
Thermal Shock Resistance, points 16
8.1

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
99.9 to 100
Iron (Fe), % 31.8 to 43.5
0
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
0
Niobium (Nb), % 0 to 1.0
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0