AWS ER90S-B3 vs. AWS E70C-B2L
Both AWS ER90S-B3 and AWS E70C-B2L are iron alloys. Both are furnished in the post-weld heat treated (PWHT) condition. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is AWS E70C-B2L.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 19 | |
21 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 690 | |
580 |
Tensile Strength: Yield (Proof), MPa | 620 | |
460 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
260 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 40 | |
39 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
7.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 4.1 | |
3.0 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.8 | |
1.6 |
Embodied Energy, MJ/kg | 24 | |
22 |
Embodied Water, L/kg | 60 | |
54 |
Common Calculations
PREN (Pitting Resistance) | 6.0 | |
3.0 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1000 | |
550 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 25 | |
20 |
Strength to Weight: Bending, points | 22 | |
20 |
Thermal Diffusivity, mm2/s | 11 | |
11 |
Thermal Shock Resistance, points | 20 | |
17 |
Alloy Composition
Carbon (C), % | 0.070 to 0.12 | |
0 to 0.050 |
Chromium (Cr), % | 2.3 to 2.7 | |
1.0 to 1.5 |
Copper (Cu), % | 0 to 0.35 | |
0 to 0.35 |
Iron (Fe), % | 93.5 to 95.9 | |
95.1 to 98 |
Manganese (Mn), % | 0.4 to 0.7 | |
0.4 to 1.0 |
Molybdenum (Mo), % | 0.9 to 1.2 | |
0.4 to 0.65 |
Nickel (Ni), % | 0 to 0.2 | |
0 to 0.2 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.025 |
Silicon (Si), % | 0.4 to 0.7 | |
0.25 to 0.6 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.030 |
Vanadium (V), % | 0 | |
0 to 0.030 |
Residuals, % | 0 | |
0 to 0.5 |