AISI 431 Stainless Steel vs. S46910 Stainless Steel
Both AISI 431 stainless steel and S46910 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 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 431 stainless steel and the bottom bar is S46910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 250 | |
270 to 630 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 15 to 17 | |
2.2 to 11 |
Fatigue Strength, MPa | 430 to 610 | |
250 to 1020 |
Poisson's Ratio | 0.28 | |
0.28 |
Rockwell C Hardness | 26 | |
29 to 63 |
Shear Modulus, GPa | 77 | |
76 |
Shear Strength, MPa | 550 to 840 | |
410 to 1410 |
Tensile Strength: Ultimate (UTS), MPa | 890 to 1380 | |
680 to 2470 |
Tensile Strength: Yield (Proof), MPa | 710 to 1040 | |
450 to 2290 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
280 |
Maximum Temperature: Corrosion, °C | 400 | |
540 |
Maximum Temperature: Mechanical, °C | 850 | |
810 |
Melting Completion (Liquidus), °C | 1510 | |
1460 |
Melting Onset (Solidus), °C | 1450 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Expansion, µm/m-K | 12 | |
11 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.0 | |
18 |
Density, g/cm3 | 7.7 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 2.2 | |
4.1 |
Embodied Energy, MJ/kg | 31 | |
55 |
Embodied Water, L/kg | 120 | |
140 |
Common Calculations
PREN (Pitting Resistance) | 16 | |
25 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
48 to 130 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 2770 | |
510 to 4780 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 32 to 50 | |
24 to 86 |
Strength to Weight: Bending, points | 27 to 36 | |
22 to 51 |
Thermal Shock Resistance, points | 28 to 43 | |
23 to 84 |
Alloy Composition
Aluminum (Al), % | 0 | |
0.15 to 0.5 |
Carbon (C), % | 0 to 0.2 | |
0 to 0.030 |
Chromium (Cr), % | 15 to 17 | |
11 to 13 |
Copper (Cu), % | 0 | |
1.5 to 3.5 |
Iron (Fe), % | 78.2 to 83.8 | |
65 to 76 |
Manganese (Mn), % | 0 to 1.0 | |
0 to 1.0 |
Molybdenum (Mo), % | 0 | |
3.0 to 5.0 |
Nickel (Ni), % | 1.3 to 2.5 | |
8.0 to 10 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.030 |
Silicon (Si), % | 0 to 1.0 | |
0 to 0.7 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.015 |
Titanium (Ti), % | 0 | |
0.5 to 1.2 |