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AWS ENi-1 vs. EN 1.7218 Steel

AWS ENi-1 belongs to the nickel alloys classification, while EN 1.7218 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ENi-1 and the bottom bar is EN 1.7218 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 69
73
Tensile Strength: Ultimate (UTS), MPa 470
500 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 73
44
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 19
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.6
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 230
52

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 15
18 to 55
Strength to Weight: Bending, points 15
18 to 38
Thermal Diffusivity, mm2/s 19
12
Thermal Shock Resistance, points 17
15 to 46

Alloy Composition

Aluminum (Al), % 0 to 1.0
0 to 0.040
Carbon (C), % 0 to 0.1
0.22 to 0.29
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0 to 0.75
96.2 to 98.1
Manganese (Mn), % 0 to 0.75
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 92 to 99
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.3
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 1.0 to 4.0
0
Residuals, % 0 to 0.5
0