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AWS E90C-B3 vs. S43940 Stainless Steel

Both AWS E90C-B3 and S43940 stainless steel are iron alloys. They have 83% 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 AWS E90C-B3 and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
21
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 710
490
Tensile Strength: Yield (Proof), MPa 600
280

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.6
Embodied Energy, MJ/kg 24
38
Embodied Water, L/kg 59
120

Common Calculations

PREN (Pitting Resistance) 5.7
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
86
Resilience: Unit (Modulus of Resilience), kJ/m3 970
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 11
6.8
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
17.5 to 18.5
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.4 to 96.4
78.2 to 82.1
Manganese (Mn), % 0.4 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0 to 0.2
0
Niobium (Nb), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.1 to 0.6
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0