EN 1.0034 +A Steel vs. EN 1.0225 +A Steel
Both EN 1.0034 +A steel and EN 1.0225 +A steel are iron alloys. Both are furnished in the annealed condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.0034 +A steel and the bottom bar is EN 1.0225 +A steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 99 | |
| 130 | 
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 | 
| Elongation at Break, % | 31 | |
| 24 | 
| Fatigue Strength, MPa | 140 | |
| 170 | 
| Poisson's Ratio | 0.29 | |
| 0.29 | 
| Shear Modulus, GPa | 73 | |
| 73 | 
| Shear Strength, MPa | 230 | |
| 280 | 
| Tensile Strength: Ultimate (UTS), MPa | 340 | |
| 440 | 
| Tensile Strength: Yield (Proof), MPa | 180 | |
| 230 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 | 
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 | 
| 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 | 53 | |
| 52 | 
| Thermal Expansion, µm/m-K | 12 | |
| 12 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.1 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.1 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 | 
| Density, g/cm3 | 7.9 | |
| 7.8 | 
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 | 
| Embodied Energy, MJ/kg | 18 | |
| 18 | 
| Embodied Water, L/kg | 45 | |
| 46 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 | |
| 88 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 84 | |
| 140 | 
| Stiffness to Weight: Axial, points | 13 | |
| 13 | 
| Stiffness to Weight: Bending, points | 24 | |
| 24 | 
| Strength to Weight: Axial, points | 12 | |
| 16 | 
| Strength to Weight: Bending, points | 14 | |
| 16 | 
| Thermal Diffusivity, mm2/s | 14 | |
| 14 | 
| Thermal Shock Resistance, points | 11 | |
| 14 | 
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.21 | 
| Iron (Fe), % | 98.7 to 100 | |
| 98 to 100 | 
| Manganese (Mn), % | 0 to 0.7 | |
| 0 to 1.4 | 
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 | 
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.35 | 
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.045 |