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AWS E3155 vs. Nickel 684

AWS E3155 belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have 60% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 770
1190

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
75
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 7.7
10
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 300
360

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
40
Strength to Weight: Bending, points 22
30
Thermal Shock Resistance, points 20
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 20 to 22.5
15 to 20
Cobalt (Co), % 18.5 to 21
13 to 20
Copper (Cu), % 0 to 0.75
0 to 0.15
Iron (Fe), % 23.3 to 36.3
0 to 4.0
Manganese (Mn), % 1.0 to 2.5
0 to 0.75
Molybdenum (Mo), % 2.5 to 3.5
3.0 to 5.0
Nickel (Ni), % 19 to 21
42.7 to 64
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3
Tungsten (W), % 2.0 to 3.0
0