EN 1.4618 Stainless Steel vs. ASTM A203 Steel
Both EN 1.4618 stainless steel and ASTM A203 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.4618 stainless steel and the bottom bar is ASTM A203 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 200 to 210 | |
160 to 180 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 51 | |
22 to 26 |
Fatigue Strength, MPa | 240 to 250 | |
210 to 280 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 77 | |
73 |
Shear Strength, MPa | 480 to 500 | |
330 to 370 |
Tensile Strength: Ultimate (UTS), MPa | 680 to 700 | |
520 to 590 |
Tensile Strength: Yield (Proof), MPa | 250 to 260 | |
290 to 390 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
250 |
Maximum Temperature: Mechanical, °C | 900 | |
410 |
Melting Completion (Liquidus), °C | 1400 | |
1460 |
Melting Onset (Solidus), °C | 1360 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 15 | |
52 |
Thermal Expansion, µm/m-K | 16 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
7.4 to 7.6 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
8.5 to 8.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 13 | |
3.2 to 4.0 |
Density, g/cm3 | 7.7 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 2.7 | |
1.6 to 1.7 |
Embodied Energy, MJ/kg | 39 | |
21 to 23 |
Embodied Water, L/kg | 150 | |
50 to 52 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 270 to 280 | |
110 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 170 | |
230 to 410 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 24 to 25 | |
18 to 21 |
Strength to Weight: Bending, points | 22 to 23 | |
18 to 20 |
Thermal Diffusivity, mm2/s | 4.0 | |
14 |
Thermal Shock Resistance, points | 15 to 16 | |
15 to 17 |