EN 1.7225 Steel vs. AISI 202 Stainless Steel
Both EN 1.7225 steel and AISI 202 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.7225 steel and the bottom bar is AISI 202 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 to 300 | |
210 to 300 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 73 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 540 to 1850 | |
700 to 980 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
290 |
Maximum Temperature: Mechanical, °C | 420 | |
910 |
Melting Completion (Liquidus), °C | 1460 | |
1400 |
Melting Onset (Solidus), °C | 1420 | |
1360 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 46 | |
15 |
Thermal Expansion, µm/m-K | 13 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
2.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
2.9 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.5 | |
13 |
Density, g/cm3 | 7.8 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
2.8 |
Embodied Energy, MJ/kg | 20 | |
40 |
Embodied Water, L/kg | 51 | |
150 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 19 to 65 | |
25 to 35 |
Strength to Weight: Bending, points | 19 to 43 | |
23 to 29 |
Thermal Diffusivity, mm2/s | 12 | |
4.0 |
Thermal Shock Resistance, points | 16 to 54 | |
15 to 21 |
Alloy Composition
Carbon (C), % | 0.38 to 0.45 | |
0 to 0.15 |
Chromium (Cr), % | 0.9 to 1.2 | |
17 to 19 |
Copper (Cu), % | 0 to 0.25 | |
0 |
Iron (Fe), % | 96.6 to 98 | |
63.5 to 71.5 |
Manganese (Mn), % | 0.6 to 0.9 | |
7.5 to 10 |
Molybdenum (Mo), % | 0.15 to 0.3 | |
0 |
Nickel (Ni), % | 0 | |
4.0 to 6.0 |
Nitrogen (N), % | 0 | |
0 to 0.25 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.060 |
Silicon (Si), % | 0 to 0.4 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.035 | |
0 to 0.030 |