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S43940 Stainless Steel vs. AWS ER80S-B3L

Both S43940 stainless steel and AWS ER80S-B3L are iron alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S43940 stainless steel and the bottom bar is AWS ER80S-B3L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
19
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 490
630
Tensile Strength: Yield (Proof), MPa 280
530

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.8
Embodied Energy, MJ/kg 38
23
Embodied Water, L/kg 120
60

Common Calculations

PREN (Pitting Resistance) 18
6.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.8
11
Thermal Shock Resistance, points 18
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 17.5 to 18.5
2.3 to 2.7
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 78.2 to 82.1
93.6 to 96
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 0
0 to 0.2
Niobium (Nb), % 0.3 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.4 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.1 to 0.6
0
Residuals, % 0
0 to 0.5