ACI-ASTM CD6MN Steel vs. S20910 Stainless Steel
Both ACI-ASTM CD6MN steel and S20910 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CD6MN steel and the bottom bar is S20910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 28 | |
14 to 39 |
Fatigue Strength, MPa | 370 | |
310 to 460 |
Poisson's Ratio | 0.27 | |
0.28 |
Shear Modulus, GPa | 80 | |
79 |
Tensile Strength: Ultimate (UTS), MPa | 730 | |
780 to 940 |
Tensile Strength: Yield (Proof), MPa | 510 | |
430 to 810 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
300 |
Maximum Temperature: Corrosion, °C | 450 | |
460 |
Maximum Temperature: Mechanical, °C | 1100 | |
1080 |
Melting Completion (Liquidus), °C | 1440 | |
1420 |
Melting Onset (Solidus), °C | 1390 | |
1380 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 16 | |
13 |
Thermal Expansion, µm/m-K | 13 | |
16 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 17 | |
22 |
Density, g/cm3 | 7.7 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 3.4 | |
4.8 |
Embodied Energy, MJ/kg | 48 | |
68 |
Embodied Water, L/kg | 170 | |
180 |
Common Calculations
PREN (Pitting Resistance) | 36 | |
34 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 180 | |
120 to 260 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 650 | |
460 to 1640 |
Stiffness to Weight: Axial, points | 15 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 26 | |
28 to 33 |
Strength to Weight: Bending, points | 23 | |
24 to 27 |
Thermal Diffusivity, mm2/s | 4.4 | |
3.6 |
Thermal Shock Resistance, points | 20 | |
17 to 21 |
Alloy Composition
Carbon (C), % | 0 to 0.060 | |
0 to 0.060 |
Chromium (Cr), % | 24 to 27 | |
20.5 to 23.5 |
Iron (Fe), % | 62.1 to 70.1 | |
52.1 to 62.1 |
Manganese (Mn), % | 0 to 1.0 | |
4.0 to 6.0 |
Molybdenum (Mo), % | 1.8 to 2.5 | |
1.5 to 3.0 |
Nickel (Ni), % | 4.0 to 6.0 | |
11.5 to 13.5 |
Niobium (Nb), % | 0 | |
0.1 to 0.3 |
Nitrogen (N), % | 0.15 to 0.25 | |
0.2 to 0.4 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.040 |
Silicon (Si), % | 0 to 1.0 | |
0 to 0.75 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.030 |
Vanadium (V), % | 0 | |
0.1 to 0.3 |