EN 1.4615 Stainless Steel vs. SAE-AISI 8720 Steel
Both EN 1.4615 stainless steel and SAE-AISI 8720 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.4615 stainless steel and the bottom bar is SAE-AISI 8720 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 150 | |
150 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 50 | |
25 |
Fatigue Strength, MPa | 190 | |
240 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 76 | |
73 |
Shear Strength, MPa | 360 | |
320 |
Tensile Strength: Ultimate (UTS), MPa | 500 | |
500 |
Tensile Strength: Yield (Proof), MPa | 200 | |
330 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
250 |
Maximum Temperature: Mechanical, °C | 840 | |
410 |
Melting Completion (Liquidus), °C | 1400 | |
1460 |
Melting Onset (Solidus), °C | 1360 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 15 | |
39 |
Thermal Expansion, µm/m-K | 17 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 13 | |
2.6 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
1.5 |
Embodied Energy, MJ/kg | 40 | |
20 |
Embodied Water, L/kg | 140 | |
50 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 99 | |
290 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 18 | |
18 |
Strength to Weight: Bending, points | 18 | |
18 |
Thermal Diffusivity, mm2/s | 4.1 | |
10 |
Thermal Shock Resistance, points | 11 | |
17 |
Alloy Composition
Carbon (C), % | 0 to 0.030 | |
0.18 to 0.23 |
Chromium (Cr), % | 14 to 16 | |
0.4 to 0.6 |
Copper (Cu), % | 2.0 to 4.0 | |
0 |
Iron (Fe), % | 63.1 to 72.5 | |
96.8 to 98 |
Manganese (Mn), % | 7.0 to 9.0 | |
0.7 to 0.9 |
Molybdenum (Mo), % | 0 to 0.8 | |
0.2 to 0.3 |
Nickel (Ni), % | 4.5 to 6.0 | |
0.4 to 0.7 |
Nitrogen (N), % | 0.020 to 0.060 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.035 |
Silicon (Si), % | 0 to 1.0 | |
0.15 to 0.35 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.040 |