EN 1.4421 Stainless Steel vs. ASTM A572 Steel
Both EN 1.4421 stainless steel and ASTM A572 steel are iron alloys. There are 29 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 EN 1.4421 stainless steel and the bottom bar is ASTM A572 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 11 to 17 | |
18 to 25 |
Fatigue Strength, MPa | 380 to 520 | |
240 to 340 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 77 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 880 to 1100 | |
470 to 620 |
Tensile Strength: Yield (Proof), MPa | 620 to 950 | |
330 to 510 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
250 |
Maximum Temperature: Mechanical, °C | 870 | |
400 |
Melting Completion (Liquidus), °C | 1440 | |
1460 |
Melting Onset (Solidus), °C | 1400 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 16 | |
51 |
Thermal Expansion, µm/m-K | 10 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
8.2 to 8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 12 | |
2.0 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.6 | |
1.6 |
Embodied Energy, MJ/kg | 36 | |
22 |
Embodied Water, L/kg | 130 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 140 | |
100 to 110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 to 2270 | |
290 to 690 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 31 to 39 | |
17 to 22 |
Strength to Weight: Bending, points | 26 to 30 | |
17 to 21 |
Thermal Diffusivity, mm2/s | 4.4 | |
14 |
Thermal Shock Resistance, points | 31 to 39 | |
14 to 18 |