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AWS E320LR vs. CR017A Copper

AWS E320LR belongs to the iron alloys classification, while CR017A 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 E320LR and the bottom bar is CR017A 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 580
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 36
32
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 6.2
2.6
Embodied Energy, MJ/kg 87
42
Embodied Water, L/kg 220
340

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 20
7.1
Strength to Weight: Bending, points 19
9.3
Thermal Shock Resistance, points 15
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
99.944 to 99.97
Iron (Fe), % 32.7 to 42.5
0
Manganese (Mn), % 1.5 to 2.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
0
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.015
0