AWS E330H vs. AWS E2595
Both AWS E330H and AWS E2595 are iron alloys. Both are furnished in the as-welded condition. They have 73% of their average alloy composition in common.
For each property being compared, the top bar is AWS E330H and the bottom bar is AWS E2595.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 | |
| 17 |
| Poisson's Ratio | 0.29 | |
| 0.27 |
| Shear Modulus, GPa | 76 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 690 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 300 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1450 |
| Melting Onset (Solidus), °C | 1350 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 12 | |
| 16 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.7 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.9 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 23 |
| Density, g/cm3 | 8.1 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 5.4 | |
| 4.4 |
| Embodied Energy, MJ/kg | 76 | |
| 61 |
| Embodied Water, L/kg | 180 | |
| 190 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 42 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 30 |
| Strength to Weight: Bending, points | 22 | |
| 25 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 4.2 |
| Thermal Shock Resistance, points | 19 | |
| 21 |
Alloy Composition
| Carbon (C), % | 0.35 to 0.45 | |
| 0 to 0.040 |
| Chromium (Cr), % | 14 to 17 | |
| 24 to 27 |
| Copper (Cu), % | 0 to 0.75 | |
| 0.4 to 1.5 |
| Iron (Fe), % | 40.5 to 51.7 | |
| 51.4 to 64.5 |
| Manganese (Mn), % | 1.0 to 2.5 | |
| 0 to 2.5 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 2.5 to 4.5 |
| Nickel (Ni), % | 33 to 37 | |
| 8.0 to 10.5 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.2 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Tungsten (W), % | 0 | |
| 0.4 to 1.0 |