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AWS ENiCu-7 vs. EN 1.4877 Stainless Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while EN 1.4877 stainless steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 ENiCu-7 and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 34
36
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
79
Tensile Strength: Ultimate (UTS), MPa 550
630

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1270
1400
Melting Onset (Solidus), °C 1230
1360
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
37
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 8.0
6.2
Embodied Energy, MJ/kg 110
89
Embodied Water, L/kg 250
220

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 5.5
3.2
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0 to 0.75
0 to 0.025
Carbon (C), % 0 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 20.6 to 38
0
Iron (Fe), % 0 to 2.5
36.4 to 42.3
Manganese (Mn), % 0 to 4.0
0 to 1.0
Nickel (Ni), % 62 to 69
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 1.0
0
Residuals, % 0 to 0.5
0