ASTM A372 Grade M Steel vs. AWS ER80S-Ni2
Both ASTM A372 grade M steel and AWS ER80S-Ni2 are iron alloys. 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 (5, in this case) are not shown.
For each property being compared, the top bar is ASTM A372 grade M steel and the bottom bar is AWS ER80S-Ni2.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 18 to 21 | |
27 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
72 |
Tensile Strength: Ultimate (UTS), MPa | 810 to 910 | |
620 |
Tensile Strength: Yield (Proof), MPa | 660 to 770 | |
540 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
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 | 46 | |
52 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
7.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 9.1 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 5.0 | |
3.4 |
Density, g/cm3 | 7.9 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.0 | |
1.6 |
Embodied Energy, MJ/kg | 27 | |
22 |
Embodied Water, L/kg | 61 | |
51 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
160 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1580 | |
770 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 29 to 32 | |
22 |
Strength to Weight: Bending, points | 24 to 27 | |
21 |
Thermal Diffusivity, mm2/s | 12 | |
14 |
Thermal Shock Resistance, points | 24 to 27 | |
18 |
Alloy Composition
Carbon (C), % | 0 to 0.23 | |
0 to 0.12 |
Chromium (Cr), % | 1.5 to 2.0 | |
0 |
Copper (Cu), % | 0 | |
0 to 0.35 |
Iron (Fe), % | 92.5 to 95.1 | |
94.2 to 97.6 |
Manganese (Mn), % | 0.2 to 0.4 | |
0 to 1.3 |
Molybdenum (Mo), % | 0.4 to 0.6 | |
0 |
Nickel (Ni), % | 2.8 to 3.9 | |
2.0 to 2.8 |
Phosphorus (P), % | 0 to 0.015 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.3 | |
0.4 to 0.8 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.025 |
Vanadium (V), % | 0 to 0.080 | |
0 |
Residuals, % | 0 | |
0 to 0.5 |