ASTM A372 Grade H Steel vs. EN 1.0033 Steel
Both ASTM A372 grade H steel and EN 1.0033 steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is ASTM A372 grade H steel and the bottom bar is EN 1.0033 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 200 to 280 | |
86 to 96 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 20 to 22 | |
17 to 32 |
Fatigue Strength, MPa | 310 to 380 | |
120 to 140 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 410 to 570 | |
200 |
Tensile Strength: Ultimate (UTS), MPa | 650 to 910 | |
300 to 330 |
Tensile Strength: Yield (Proof), MPa | 430 to 550 | |
150 to 200 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 410 | |
400 |
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 | 45 | |
53 |
Thermal Expansion, µm/m-K | 13 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
7.0 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
8.0 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.3 | |
1.8 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
1.4 |
Embodied Energy, MJ/kg | 20 | |
18 |
Embodied Water, L/kg | 49 | |
45 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 160 | |
48 to 83 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 810 | |
63 to 100 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 23 to 32 | |
10 to 12 |
Strength to Weight: Bending, points | 21 to 27 | |
13 to 14 |
Thermal Diffusivity, mm2/s | 12 | |
14 |
Thermal Shock Resistance, points | 19 to 27 | |
9.4 to 10 |
Alloy Composition
Carbon (C), % | 0.3 to 0.4 | |
0 to 0.11 |
Chromium (Cr), % | 0.4 to 0.65 | |
0 |
Iron (Fe), % | 97.3 to 98.3 | |
98.8 to 100 |
Manganese (Mn), % | 0.75 to 1.1 | |
0 to 0.7 |
Molybdenum (Mo), % | 0.15 to 0.25 | |
0 |
Phosphorus (P), % | 0 to 0.015 | |
0 to 0.045 |
Silicon (Si), % | 0.15 to 0.35 | |
0 to 0.35 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.045 |