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AWS E430Nb vs. CR008A Copper

AWS E430Nb belongs to the iron alloys classification, while CR008A copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E430Nb and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 500
220

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 24
380
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
100

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 3.1
2.6
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 120
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
6.8
Strength to Weight: Bending, points 18
9.0
Thermal Diffusivity, mm2/s 6.6
110
Thermal Shock Resistance, points 13
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 15 to 18
0
Copper (Cu), % 0 to 0.75
99.95 to 100
Iron (Fe), % 76.2 to 84.5
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0