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AWS ENiCu-7 vs. EN 1.3558 Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while EN 1.3558 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
210
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
80
Tensile Strength: Ultimate (UTS), MPa 550
770

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Melting Completion (Liquidus), °C 1270
1810
Melting Onset (Solidus), °C 1230
1760
Specific Heat Capacity, J/kg-K 430
410
Thermal Conductivity, W/m-K 21
20
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
13
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
45
Density, g/cm3 8.7
9.3
Embodied Carbon, kg CO2/kg material 8.0
8.4
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 250
90

Common Calculations

Stiffness to Weight: Axial, points 10
12
Stiffness to Weight: Bending, points 21
21
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 5.5
5.3
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0.7 to 0.8
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 20.6 to 38
0 to 0.3
Iron (Fe), % 0 to 2.5
73.7 to 77.6
Manganese (Mn), % 0 to 4.0
0 to 0.4
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 62 to 69
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3
Residuals, % 0 to 0.5
0