ASTM A387 Grade 22 Steel vs. S17700 Stainless Steel
Both ASTM A387 grade 22 steel and S17700 stainless 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 (2, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is S17700 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 150 to 180 | |
180 to 430 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 21 | |
1.0 to 23 |
Fatigue Strength, MPa | 160 to 240 | |
290 to 560 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 74 | |
76 |
Shear Strength, MPa | 300 to 380 | |
740 to 940 |
Tensile Strength: Ultimate (UTS), MPa | 480 to 600 | |
1180 to 1650 |
Tensile Strength: Yield (Proof), MPa | 230 to 350 | |
430 to 1210 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
290 |
Maximum Temperature: Mechanical, °C | 460 | |
890 |
Melting Completion (Liquidus), °C | 1470 | |
1440 |
Melting Onset (Solidus), °C | 1430 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 40 | |
15 |
Thermal Expansion, µm/m-K | 13 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
2.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
2.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.8 | |
13 |
Density, g/cm3 | 7.9 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.7 | |
2.8 |
Embodied Energy, MJ/kg | 23 | |
40 |
Embodied Water, L/kg | 58 | |
150 |
Common Calculations
PREN (Pitting Resistance) | 5.6 | |
17 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 85 to 110 | |
15 to 210 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 320 | |
460 to 3750 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 17 to 21 | |
42 to 59 |
Strength to Weight: Bending, points | 17 to 20 | |
32 to 40 |
Thermal Diffusivity, mm2/s | 11 | |
4.1 |
Thermal Shock Resistance, points | 14 to 17 | |
39 to 54 |
Alloy Composition
Aluminum (Al), % | 0 | |
0.75 to 1.5 |
Carbon (C), % | 0.050 to 0.15 | |
0 to 0.090 |
Chromium (Cr), % | 2.0 to 2.5 | |
16 to 18 |
Iron (Fe), % | 95.1 to 96.8 | |
70.5 to 76.8 |
Manganese (Mn), % | 0.3 to 0.6 | |
0 to 1.0 |
Molybdenum (Mo), % | 0.9 to 1.1 | |
0 |
Nickel (Ni), % | 0 | |
6.5 to 7.8 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.5 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.030 |