EN 1.7233 Steel vs. ASTM A387 Grade 2 Steel
Both EN 1.7233 steel and ASTM A387 grade 2 steel are iron alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.7233 steel and the bottom bar is ASTM A387 grade 2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 210 to 290 | |
140 to 170 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 18 to 23 | |
25 |
Fatigue Strength, MPa | 270 to 530 | |
190 to 250 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 450 to 590 | |
300 to 350 |
Tensile Strength: Ultimate (UTS), MPa | 700 to 960 | |
470 to 550 |
Tensile Strength: Yield (Proof), MPa | 380 to 780 | |
260 to 350 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 430 | |
420 |
Melting Completion (Liquidus), °C | 1460 | |
1470 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 39 | |
45 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.0 | |
2.6 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.6 | |
1.6 |
Embodied Energy, MJ/kg | 21 | |
20 |
Embodied Water, L/kg | 53 | |
50 |
Common Calculations
PREN (Pitting Resistance) | 3.3 | |
2.4 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 200 | |
98 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 1630 | |
180 to 320 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 25 to 34 | |
16 to 20 |
Strength to Weight: Bending, points | 22 to 28 | |
17 to 19 |
Thermal Diffusivity, mm2/s | 11 | |
12 |
Thermal Shock Resistance, points | 21 to 28 | |
14 to 16 |
Alloy Composition
Carbon (C), % | 0.39 to 0.45 | |
0.050 to 0.21 |
Chromium (Cr), % | 1.2 to 1.5 | |
0.5 to 0.8 |
Iron (Fe), % | 96.2 to 97.5 | |
97.1 to 98.3 |
Manganese (Mn), % | 0.4 to 0.7 | |
0.55 to 0.8 |
Molybdenum (Mo), % | 0.5 to 0.7 | |
0.45 to 0.6 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.4 | |
0.15 to 0.4 |
Sulfur (S), % | 0 to 0.035 | |
0 to 0.025 |