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AWS ENi-1 vs. SAE-AISI 9255 Steel

AWS ENi-1 belongs to the nickel alloys classification, while SAE-AISI 9255 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ENi-1 and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 22
21
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 69
72
Tensile Strength: Ultimate (UTS), MPa 470
680

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1310
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 73
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 19
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.0
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 230
46

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 19
13
Thermal Shock Resistance, points 17
21

Alloy Composition

Aluminum (Al), % 0 to 1.0
0
Carbon (C), % 0 to 0.1
0.51 to 0.59
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.75
96.2 to 97
Manganese (Mn), % 0 to 0.75
0.7 to 1.0
Nickel (Ni), % 92 to 99
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.3
1.8 to 2.2
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 1.0 to 4.0
0
Residuals, % 0 to 0.5
0