ASTM A266 Carbon Steel vs. S15500 Stainless Steel
Both ASTM A266 carbon steel and S15500 stainless steel are iron alloys. 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 ASTM A266 carbon steel and the bottom bar is S15500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 150 to 180 | |
290 to 430 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 21 to 26 | |
6.8 to 16 |
Fatigue Strength, MPa | 170 to 200 | |
350 to 650 |
Poisson's Ratio | 0.29 | |
0.28 |
Reduction in Area, % | 34 to 43 | |
17 to 40 |
Shear Modulus, GPa | 73 | |
75 |
Shear Strength, MPa | 320 to 380 | |
540 to 870 |
Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
890 to 1490 |
Tensile Strength: Yield (Proof), MPa | 230 to 290 | |
590 to 1310 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
280 |
Maximum Temperature: Mechanical, °C | 400 | |
820 |
Melting Completion (Liquidus), °C | 1460 | |
1430 |
Melting Onset (Solidus), °C | 1420 | |
1380 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 51 to 52 | |
17 |
Thermal Expansion, µm/m-K | 12 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
2.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
13 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
2.7 |
Embodied Energy, MJ/kg | 18 to 19 | |
39 |
Embodied Water, L/kg | 46 to 47 | |
130 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
98 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 230 | |
890 to 4460 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 18 to 21 | |
32 to 53 |
Strength to Weight: Bending, points | 18 to 20 | |
26 to 37 |
Thermal Diffusivity, mm2/s | 14 | |
4.6 |
Thermal Shock Resistance, points | 16 to 19 | |
30 to 50 |