SAE-AISI 1144 Steel vs. S17600 Stainless Steel
Both SAE-AISI 1144 steel and S17600 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 1144 steel and the bottom bar is S17600 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 220 to 230 | |
270 to 410 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 11 to 17 | |
8.6 to 11 |
Fatigue Strength, MPa | 280 to 430 | |
300 to 680 |
Poisson's Ratio | 0.29 | |
0.28 |
Reduction in Area, % | 34 to 40 | |
28 to 50 |
Shear Modulus, GPa | 72 | |
76 |
Shear Strength, MPa | 460 to 510 | |
560 to 880 |
Tensile Strength: Ultimate (UTS), MPa | 750 to 840 | |
940 to 1490 |
Tensile Strength: Yield (Proof), MPa | 420 to 690 | |
580 to 1310 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
290 |
Maximum Temperature: Mechanical, °C | 400 | |
890 |
Melting Completion (Liquidus), °C | 1450 | |
1430 |
Melting Onset (Solidus), °C | 1410 | |
1390 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 51 | |
15 |
Thermal Expansion, µm/m-K | 13 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
2.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
2.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
13 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
2.9 |
Embodied Energy, MJ/kg | 19 | |
42 |
Embodied Water, L/kg | 47 | |
130 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 91 to 110 | |
70 to 150 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 480 to 1290 | |
850 to 4390 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 27 to 30 | |
34 to 54 |
Strength to Weight: Bending, points | 23 to 25 | |
28 to 37 |
Thermal Diffusivity, mm2/s | 14 | |
4.1 |
Thermal Shock Resistance, points | 22 to 24 | |
31 to 50 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.4 |
Carbon (C), % | 0.4 to 0.48 | |
0 to 0.080 |
Chromium (Cr), % | 0 | |
16 to 17.5 |
Iron (Fe), % | 97.5 to 98 | |
71.3 to 77.6 |
Manganese (Mn), % | 1.4 to 1.7 | |
0 to 1.0 |
Nickel (Ni), % | 0 | |
6.0 to 7.5 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.040 |
Silicon (Si), % | 0 | |
0 to 1.0 |
Sulfur (S), % | 0.24 to 0.33 | |
0 to 0.030 |
Titanium (Ti), % | 0 | |
0.4 to 1.2 |