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AWS ENiCu-7 vs. EN 1.4424 Stainless Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while EN 1.4424 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 34
28
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
78
Tensile Strength: Ultimate (UTS), MPa 550
800

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1270
1430
Melting Onset (Solidus), °C 1230
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
15
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 110
46
Embodied Water, L/kg 250
140

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 5.5
3.5
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
18 to 19
Copper (Cu), % 20.6 to 38
0
Iron (Fe), % 0 to 2.5
68.6 to 72.4
Manganese (Mn), % 0 to 4.0
1.2 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 62 to 69
4.5 to 5.2
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 1.5
1.4 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 1.0
0
Residuals, % 0 to 0.5
0