SAE-AISI 1345 Steel vs. S45500 Stainless Steel
Both SAE-AISI 1345 steel and S45500 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1345 steel and the bottom bar is S45500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 170 to 210 | |
280 to 500 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 23 | |
3.4 to 11 |
Fatigue Strength, MPa | 230 to 390 | |
570 to 890 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 72 | |
75 |
Shear Strength, MPa | 370 to 440 | |
790 to 1090 |
Tensile Strength: Ultimate (UTS), MPa | 590 to 730 | |
1370 to 1850 |
Tensile Strength: Yield (Proof), MPa | 330 to 620 | |
1240 to 1700 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
270 |
Maximum Temperature: Mechanical, °C | 400 | |
760 |
Melting Completion (Liquidus), °C | 1450 | |
1440 |
Melting Onset (Solidus), °C | 1410 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Expansion, µm/m-K | 12 | |
11 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
17 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
3.8 |
Embodied Energy, MJ/kg | 19 | |
57 |
Embodied Water, L/kg | 48 | |
120 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 120 | |
45 to 190 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 21 to 26 | |
48 to 65 |
Strength to Weight: Bending, points | 20 to 23 | |
35 to 42 |
Thermal Shock Resistance, points | 19 to 23 | |
48 to 64 |
Alloy Composition
Carbon (C), % | 0.43 to 0.48 | |
0 to 0.050 |
Chromium (Cr), % | 0 | |
11 to 12.5 |
Copper (Cu), % | 0 | |
1.5 to 2.5 |
Iron (Fe), % | 97.2 to 97.8 | |
71.5 to 79.2 |
Manganese (Mn), % | 1.6 to 1.9 | |
0 to 0.5 |
Molybdenum (Mo), % | 0 | |
0 to 0.5 |
Nickel (Ni), % | 0 | |
7.5 to 9.5 |
Niobium (Nb), % | 0 | |
0 to 0.5 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.040 |
Silicon (Si), % | 0.15 to 0.35 | |
0 to 0.5 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.030 |
Tantalum (Ta), % | 0 | |
0 to 0.5 |
Titanium (Ti), % | 0 | |
0.8 to 1.4 |