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AWS E90C-B3 vs. AWS ER80S-Ni3

Both AWS E90C-B3 and AWS ER80S-Ni3 are iron alloys. Both are furnished in the post-weld heat treated (PWHT) condition. They have a very high 97% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS E90C-B3 and the bottom bar is AWS ER80S-Ni3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
27
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 710
630
Tensile Strength: Yield (Proof), MPa 600
530

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.7
Embodied Energy, MJ/kg 24
23
Embodied Water, L/kg 59
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
160
Resilience: Unit (Modulus of Resilience), kJ/m3 970
740
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.12
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.35
0 to 0.35
Iron (Fe), % 93.4 to 96.4
93.2 to 96.6
Manganese (Mn), % 0.4 to 1.0
0 to 1.3
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0 to 0.2
3.0 to 3.8
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.25 to 0.6
0.4 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0 to 0.030
0
Residuals, % 0
0 to 0.5