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AWS ENiCu-7 vs. S45503 Stainless Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while S45503 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 34
4.6 to 6.8
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
75
Tensile Strength: Ultimate (UTS), MPa 550
1610 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1270
1440
Melting Onset (Solidus), °C 1230
1400
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 50
15
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 110
48
Embodied Water, L/kg 250
120

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17
57 to 65
Strength to Weight: Bending, points 17
39 to 43
Thermal Shock Resistance, points 18
56 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0 to 0.010
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 20.6 to 38
1.5 to 2.5
Iron (Fe), % 0 to 2.5
72.4 to 78.9
Manganese (Mn), % 0 to 4.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 62 to 69
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 1.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 1.0
1.0 to 1.4
Residuals, % 0 to 0.5
0