AWS E33-31 vs. AWS E308H
Both AWS E33-31 and AWS E308H are iron alloys. Both are furnished in the as-welded condition. They have 62% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AWS E33-31 and the bottom bar is AWS E308H.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 210 | |
200 |
Elongation at Break, % | 29 | |
40 |
Poisson's Ratio | 0.27 | |
0.28 |
Shear Modulus, GPa | 81 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 810 | |
620 |
Thermal Properties
Latent Heat of Fusion, J/g | 320 | |
290 |
Melting Completion (Liquidus), °C | 1380 | |
1420 |
Melting Onset (Solidus), °C | 1330 | |
1380 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Expansion, µm/m-K | 14 | |
14 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 36 | |
16 |
Density, g/cm3 | 7.9 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 6.0 | |
3.2 |
Embodied Energy, MJ/kg | 86 | |
46 |
Embodied Water, L/kg | 260 | |
150 |
Common Calculations
PREN (Pitting Resistance) | 44 | |
21 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 28 | |
22 |
Strength to Weight: Bending, points | 24 | |
21 |
Thermal Shock Resistance, points | 19 | |
16 |
Alloy Composition
Carbon (C), % | 0 to 0.030 | |
0.040 to 0.080 |
Chromium (Cr), % | 31 to 35 | |
18 to 21 |
Copper (Cu), % | 0.4 to 0.8 | |
0 to 0.75 |
Iron (Fe), % | 24.7 to 34.8 | |
62.9 to 72.5 |
Manganese (Mn), % | 2.5 to 4.0 | |
0.5 to 2.5 |
Molybdenum (Mo), % | 1.0 to 2.0 | |
0 to 0.75 |
Nickel (Ni), % | 30 to 32 | |
9.0 to 11 |
Nitrogen (N), % | 0.3 to 0.5 | |
0 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.9 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.030 |