EN 1.4646 Stainless Steel vs. SAE-AISI 1108 Steel
Both EN 1.4646 stainless steel and SAE-AISI 1108 steel are iron alloys. They have 64% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is SAE-AISI 1108 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 220 | |
110 to 140 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 34 | |
23 to 34 |
Fatigue Strength, MPa | 340 | |
170 to 260 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 77 | |
73 |
Shear Strength, MPa | 500 | |
250 to 280 |
Tensile Strength: Ultimate (UTS), MPa | 750 | |
380 to 440 |
Tensile Strength: Yield (Proof), MPa | 430 | |
220 to 360 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
250 |
Maximum Temperature: Mechanical, °C | 910 | |
400 |
Melting Completion (Liquidus), °C | 1390 | |
1460 |
Melting Onset (Solidus), °C | 1340 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Expansion, µm/m-K | 17 | |
12 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 13 | |
1.8 |
Density, g/cm3 | 7.7 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
1.4 |
Embodied Energy, MJ/kg | 41 | |
18 |
Embodied Water, L/kg | 160 | |
46 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 | |
95 to 110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
130 to 340 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 27 | |
13 to 16 |
Strength to Weight: Bending, points | 24 | |
15 to 16 |
Thermal Shock Resistance, points | 16 | |
12 to 14 |
Alloy Composition
Carbon (C), % | 0.020 to 0.1 | |
0.080 to 0.13 |
Chromium (Cr), % | 17 to 19 | |
0 |
Copper (Cu), % | 1.5 to 3.0 | |
0 |
Iron (Fe), % | 59 to 67.3 | |
98.9 to 99.24 |
Manganese (Mn), % | 10.5 to 12.5 | |
0.6 to 0.8 |
Molybdenum (Mo), % | 0 to 0.5 | |
0 |
Nickel (Ni), % | 3.5 to 4.5 | |
0 |
Nitrogen (N), % | 0.2 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.050 | |
0 to 0.040 |
Silicon (Si), % | 0 to 1.0 | |
0 |
Sulfur (S), % | 0 to 0.015 | |
0.080 to 0.13 |