AWS E2553 vs. AWS E630
Both AWS E2553 and AWS E630 are iron alloys. They have 84% of their average alloy composition in common.
For each property being compared, the top bar is AWS E2553 and the bottom bar is AWS E630.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 | 
| Elongation at Break, % | 17 | |
| 8.0 | 
| Poisson's Ratio | 0.27 | |
| 0.28 | 
| Shear Modulus, GPa | 80 | |
| 76 | 
| Tensile Strength: Ultimate (UTS), MPa | 850 | |
| 1040 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 280 | 
| Melting Completion (Liquidus), °C | 1440 | |
| 1430 | 
| Melting Onset (Solidus), °C | 1390 | |
| 1380 | 
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 | 
| Thermal Conductivity, W/m-K | 16 | |
| 17 | 
| Thermal Expansion, µm/m-K | 14 | |
| 14 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.3 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.6 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 21 | |
| 14 | 
| Density, g/cm3 | 7.8 | |
| 7.8 | 
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 2.8 | 
| Embodied Energy, MJ/kg | 56 | |
| 40 | 
| Embodied Water, L/kg | 190 | |
| 140 | 
Common Calculations
| PREN (Pitting Resistance) | 40 | |
| 18 | 
| Stiffness to Weight: Axial, points | 14 | |
| 14 | 
| Stiffness to Weight: Bending, points | 25 | |
| 25 | 
| Strength to Weight: Axial, points | 30 | |
| 37 | 
| Strength to Weight: Bending, points | 26 | |
| 29 | 
| Thermal Diffusivity, mm2/s | 4.3 | |
| 4.5 | 
| Thermal Shock Resistance, points | 21 | |
| 28 | 
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.050 | 
| Chromium (Cr), % | 24 to 27 | |
| 16 to 16.8 | 
| Copper (Cu), % | 1.5 to 2.5 | |
| 3.3 to 4.0 | 
| Iron (Fe), % | 55.2 to 64.5 | |
| 71.6 to 75.9 | 
| Manganese (Mn), % | 0.5 to 1.5 | |
| 0.25 to 0.75 | 
| Molybdenum (Mo), % | 2.9 to 3.9 | |
| 0 to 0.75 | 
| Nickel (Ni), % | 6.5 to 8.5 | |
| 4.5 to 5.0 | 
| Niobium (Nb), % | 0 | |
| 0.15 to 0.3 | 
| Nitrogen (N), % | 0.1 to 0.25 | |
| 0 | 
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 | 
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.75 | 
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |