SAE-AISI 8630 Steel vs. EN 1.7239 Steel
Both SAE-AISI 8630 steel and EN 1.7239 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 8630 steel and the bottom bar is EN 1.7239 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 to 200 | |
200 to 480 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 540 to 680 | |
660 to 1990 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 410 | |
420 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1410 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 39 | |
44 |
Thermal Expansion, µm/m-K | 11 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.6 | |
2.3 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
1.5 |
Embodied Energy, MJ/kg | 20 | |
20 |
Embodied Water, L/kg | 50 | |
50 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 19 to 24 | |
23 to 71 |
Strength to Weight: Bending, points | 19 to 22 | |
21 to 45 |
Thermal Diffusivity, mm2/s | 10 | |
12 |
Thermal Shock Resistance, points | 18 to 23 | |
19 to 59 |
Alloy Composition
Carbon (C), % | 0.28 to 0.33 | |
0.56 to 0.64 |
Chromium (Cr), % | 0.4 to 0.6 | |
0.7 to 1.0 |
Iron (Fe), % | 96.8 to 97.9 | |
96.8 to 98 |
Manganese (Mn), % | 0.7 to 0.9 | |
0.7 to 1.0 |
Molybdenum (Mo), % | 0.15 to 0.25 | |
0.060 to 0.15 |
Nickel (Ni), % | 0.4 to 0.7 | |
0 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.025 |
Silicon (Si), % | 0.15 to 0.35 | |
0 to 0.4 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.025 |