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AWS ER80S-Ni3 vs. AISI 384 Stainless Steel

Both AWS ER80S-Ni3 and AISI 384 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ER80S-Ni3 and the bottom bar is AISI 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 630
480

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.7
Embodied Energy, MJ/kg 23
52
Embodied Water, L/kg 52
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.040
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.2 to 96.6
60.9 to 68
Manganese (Mn), % 0 to 1.3
0 to 2.0
Nickel (Ni), % 3.0 to 3.8
17 to 19
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.4 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0