AISI 317 Stainless Steel vs. ACI-ASTM CA40F Steel
Both AISI 317 stainless steel and ACI-ASTM CA40F steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is ACI-ASTM CA40F steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 170 to 220 | |
230 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 35 to 55 | |
13 |
Fatigue Strength, MPa | 250 to 330 | |
320 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 79 | |
76 |
Tensile Strength: Ultimate (UTS), MPa | 580 to 710 | |
770 |
Tensile Strength: Yield (Proof), MPa | 250 to 420 | |
550 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
280 |
Maximum Temperature: Corrosion, °C | 420 | |
390 |
Maximum Temperature: Mechanical, °C | 590 | |
750 |
Melting Completion (Liquidus), °C | 1400 | |
1430 |
Melting Onset (Solidus), °C | 1380 | |
1390 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 15 | |
27 |
Thermal Expansion, µm/m-K | 17 | |
10 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
3.0 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
3.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 21 | |
7.5 |
Density, g/cm3 | 7.9 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 4.3 | |
2.0 |
Embodied Energy, MJ/kg | 59 | |
28 |
Embodied Water, L/kg | 160 | |
100 |
Common Calculations
PREN (Pitting Resistance) | 31 | |
14 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 260 | |
94 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 430 | |
790 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 20 to 25 | |
28 |
Strength to Weight: Bending, points | 20 to 22 | |
24 |
Thermal Diffusivity, mm2/s | 4.1 | |
7.2 |
Thermal Shock Resistance, points | 12 to 15 | |
28 |
Alloy Composition
Carbon (C), % | 0 to 0.080 | |
0.2 to 0.4 |
Chromium (Cr), % | 18 to 20 | |
11.5 to 14 |
Iron (Fe), % | 58 to 68 | |
81.6 to 88.3 |
Manganese (Mn), % | 0 to 2.0 | |
0 to 1.0 |
Molybdenum (Mo), % | 3.0 to 4.0 | |
0 to 0.5 |
Nickel (Ni), % | 11 to 15 | |
0 to 1.0 |
Nitrogen (N), % | 0 to 0.1 | |
0 |
Phosphorus (P), % | 0 to 0.045 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.75 | |
0 to 1.5 |
Sulfur (S), % | 0 to 0.030 | |
0.2 to 0.4 |