S15500 Stainless Steel vs. ASTM A372 Grade G Steel
Both S15500 stainless steel and ASTM A372 grade G steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 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 S15500 stainless steel and the bottom bar is ASTM A372 grade G steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 to 430 | |
| 200 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 6.8 to 16 | |
| 20 to 22 |
| Fatigue Strength, MPa | 350 to 650 | |
| 310 to 380 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Shear Strength, MPa | 540 to 870 | |
| 410 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1490 | |
| 650 to 910 |
| Tensile Strength: Yield (Proof), MPa | 590 to 1310 | |
| 430 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 820 | |
| 410 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 46 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 2.2 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 39 | |
| 20 |
| Embodied Water, L/kg | 130 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 120 | |
| 130 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 890 to 4460 | |
| 500 to 810 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 53 | |
| 23 to 32 |
| Strength to Weight: Bending, points | 26 to 37 | |
| 21 to 27 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 13 |
| Thermal Shock Resistance, points | 30 to 50 | |
| 19 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.25 to 0.35 |
| Chromium (Cr), % | 14 to 15.5 | |
| 0.4 to 0.65 |
| Copper (Cu), % | 2.5 to 4.5 | |
| 0 |
| Iron (Fe), % | 71.9 to 79.9 | |
| 97.4 to 98.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.7 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |