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AISI 384 Stainless Steel vs. AWS ER120S-1

Both AISI 384 stainless steel and AWS ER120S-1 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 AISI 384 stainless steel and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 480
930

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
4.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.9
Embodied Energy, MJ/kg 52
25
Embodied Water, L/kg 150
56

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
33
Strength to Weight: Bending, points 17
27
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 11
27

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 15 to 17
0 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.9 to 68
92.4 to 96.1
Manganese (Mn), % 0 to 2.0
1.4 to 1.8
Molybdenum (Mo), % 0
0.3 to 0.65
Nickel (Ni), % 17 to 19
2.0 to 2.8
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5