AISI 439 Stainless Steel vs. SAE-AISI 1065 Steel
Both AISI 439 stainless steel and SAE-AISI 1065 steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is SAE-AISI 1065 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 | |
210 to 230 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 23 | |
11 to 14 |
Fatigue Strength, MPa | 170 | |
270 to 340 |
Poisson's Ratio | 0.28 | |
0.29 |
Reduction in Area, % | 51 | |
34 to 51 |
Shear Modulus, GPa | 77 | |
72 |
Shear Strength, MPa | 310 | |
430 to 470 |
Tensile Strength: Ultimate (UTS), MPa | 490 | |
710 to 780 |
Tensile Strength: Yield (Proof), MPa | 250 | |
430 to 550 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
250 |
Maximum Temperature: Mechanical, °C | 890 | |
400 |
Melting Completion (Liquidus), °C | 1510 | |
1460 |
Melting Onset (Solidus), °C | 1430 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 25 | |
51 |
Thermal Expansion, µm/m-K | 11 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
11 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
12 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.0 | |
1.8 |
Density, g/cm3 | 7.7 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.3 | |
1.4 |
Embodied Energy, MJ/kg | 34 | |
19 |
Embodied Water, L/kg | 120 | |
46 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 | |
74 to 90 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
490 to 820 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 18 | |
25 to 28 |
Strength to Weight: Bending, points | 18 | |
23 to 24 |
Thermal Diffusivity, mm2/s | 6.7 | |
14 |
Thermal Shock Resistance, points | 16 | |
25 to 27 |
Alloy Composition
Aluminum (Al), % | 0 to 0.15 | |
0 |
Carbon (C), % | 0 to 0.030 | |
0.6 to 0.7 |
Chromium (Cr), % | 17 to 19 | |
0 |
Iron (Fe), % | 77.1 to 82.8 | |
98.3 to 98.8 |
Manganese (Mn), % | 0 to 1.0 | |
0.6 to 0.9 |
Nickel (Ni), % | 0 to 0.5 | |
0 |
Nitrogen (N), % | 0 to 0.030 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.040 |
Silicon (Si), % | 0 to 1.0 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.050 |
Titanium (Ti), % | 0.2 to 1.1 | |
0 |