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AWS ERNi-1 vs. Type 4 Magnetic Alloy

Both AWS ERNi-1 and Type 4 magnetic alloy are nickel alloys. They have 82% of their average alloy composition in common. There are 22 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 ERNi-1 and the bottom bar is Type 4 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 22
2.0 to 40
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 69
73
Tensile Strength: Ultimate (UTS), MPa 470
620 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 450
440
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 19
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 60
60
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 11
10
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 230
210

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 15
19 to 35
Strength to Weight: Bending, points 15
18 to 27
Thermal Shock Resistance, points 17
21 to 37

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 0
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0 to 1.0
9.5 to 17.5
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 0
3.5 to 6.0
Nickel (Ni), % 93 to 98
79 to 82
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 2.0 to 3.5
0
Residuals, % 0 to 0.5
0