EN 1.8831 Steel vs. EN 1.0425 Steel
Both EN 1.8831 steel and EN 1.0425 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.8831 steel and the bottom bar is EN 1.0425 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 190 | |
140 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 19 | |
24 |
Fatigue Strength, MPa | 330 | |
190 |
Impact Strength: V-Notched Charpy, J | 110 | |
44 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 390 | |
300 |
Tensile Strength: Ultimate (UTS), MPa | 630 | |
470 |
Tensile Strength: Yield (Proof), MPa | 480 | |
260 |
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 | 49 | |
50 |
Thermal Expansion, µm/m-K | 13 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.3 | |
2.2 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.6 | |
1.5 |
Embodied Energy, MJ/kg | 21 | |
20 |
Embodied Water, L/kg | 48 | |
48 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
98 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 620 | |
180 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 22 | |
17 |
Strength to Weight: Bending, points | 21 | |
17 |
Thermal Diffusivity, mm2/s | 13 | |
13 |
Thermal Shock Resistance, points | 18 | |
15 |
Alloy Composition
Aluminum (Al), % | 0.020 to 0.040 | |
0.020 to 0.024 |
Carbon (C), % | 0 to 0.16 | |
0 to 0.2 |
Chromium (Cr), % | 0 | |
0 to 0.3 |
Copper (Cu), % | 0 | |
0 to 0.3 |
Iron (Fe), % | 96.6 to 99.98 | |
96.9 to 99.18 |
Manganese (Mn), % | 0 to 1.7 | |
0.8 to 1.4 |
Molybdenum (Mo), % | 0 to 0.2 | |
0 to 0.080 |
Nickel (Ni), % | 0 to 0.5 | |
0 to 0.3 |
Niobium (Nb), % | 0 to 0.050 | |
0 to 0.020 |
Nitrogen (N), % | 0 to 0.020 | |
0 to 0.012 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.6 | |
0 to 0.4 |
Sulfur (S), % | 0 to 0.0050 | |
0 to 0.010 |
Titanium (Ti), % | 0 to 0.050 | |
0 to 0.030 |
Vanadium (V), % | 0 to 0.1 | |
0 to 0.020 |