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AWS ER80S-Ni3 vs. SAE-AISI 1078 Steel

Both AWS ER80S-Ni3 and SAE-AISI 1078 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ER80S-Ni3 and the bottom bar is SAE-AISI 1078 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
11 to 14
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 630
730 to 780
Tensile Strength: Yield (Proof), MPa 530
430 to 570

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
49
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 23
18
Embodied Water, L/kg 52
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
77 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 740
490 to 860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
26 to 28
Strength to Weight: Bending, points 21
23 to 24
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 19
25 to 26

Alloy Composition

Carbon (C), % 0 to 0.12
0.72 to 0.85
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.2 to 96.6
98.5 to 99
Manganese (Mn), % 0 to 1.3
0.3 to 0.6
Nickel (Ni), % 3.0 to 3.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0
Sulfur (S), % 0 to 0.025
0 to 0.050
Residuals, % 0 to 0.5
0