SAE-AISI 1340 Steel vs. S40910 Stainless Steel
Both SAE-AISI 1340 steel and S40910 stainless steel are iron alloys. They have 88% 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 SAE-AISI 1340 steel and the bottom bar is S40910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 to 210 | |
160 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 23 | |
23 |
Fatigue Strength, MPa | 220 to 390 | |
130 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 72 | |
75 |
Shear Strength, MPa | 340 to 440 | |
270 |
Tensile Strength: Ultimate (UTS), MPa | 540 to 730 | |
430 |
Tensile Strength: Yield (Proof), MPa | 300 to 620 | |
190 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
270 |
Maximum Temperature: Mechanical, °C | 400 | |
710 |
Melting Completion (Liquidus), °C | 1450 | |
1450 |
Melting Onset (Solidus), °C | 1410 | |
1410 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 51 | |
26 |
Thermal Expansion, µm/m-K | 12 | |
10 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
2.9 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
3.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
7.0 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
2.0 |
Embodied Energy, MJ/kg | 19 | |
28 |
Embodied Water, L/kg | 48 | |
94 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 110 | |
80 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 1040 | |
94 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 19 to 26 | |
16 |
Strength to Weight: Bending, points | 19 to 23 | |
16 |
Thermal Diffusivity, mm2/s | 14 | |
6.9 |
Thermal Shock Resistance, points | 17 to 23 | |
16 |
Alloy Composition
Carbon (C), % | 0.38 to 0.43 | |
0 to 0.030 |
Chromium (Cr), % | 0 | |
10.5 to 11.7 |
Iron (Fe), % | 97.2 to 97.9 | |
85 to 89.5 |
Manganese (Mn), % | 1.6 to 1.9 | |
0 to 1.0 |
Nickel (Ni), % | 0 | |
0 to 0.5 |
Niobium (Nb), % | 0 | |
0 to 0.17 |
Nitrogen (N), % | 0 | |
0 to 0.030 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.040 |
Silicon (Si), % | 0.15 to 0.35 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.020 |
Titanium (Ti), % | 0 | |
0 to 0.5 |