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S33550 Stainless Steel vs. AWS ER80S-D2

Both S33550 stainless steel and AWS ER80S-D2 are iron alloys. They have 55% of their average alloy composition in common. There are 27 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 S33550 stainless steel and the bottom bar is AWS ER80S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
19
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 680
620
Tensile Strength: Yield (Proof), MPa 310
540

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 61
21
Embodied Water, L/kg 190
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.070 to 0.12
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 48.8 to 58.2
95.2 to 97.4
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
1.6 to 2.1
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 16.5 to 20
0 to 0.15
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.5 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Residuals, % 0
0 to 0.5