S40930 Stainless Steel vs. EN 1.1203 Steel
Both S40930 stainless steel and EN 1.1203 steel are iron alloys. They have 88% of their average alloy composition in common. 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 S40930 stainless steel and the bottom bar is EN 1.1203 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 | |
200 to 230 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 23 | |
12 to 15 |
Fatigue Strength, MPa | 130 | |
210 to 310 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 75 | |
72 |
Shear Strength, MPa | 270 | |
420 to 480 |
Tensile Strength: Ultimate (UTS), MPa | 430 | |
690 to 780 |
Tensile Strength: Yield (Proof), MPa | 190 | |
340 to 480 |
Thermal Properties
Latent Heat of Fusion, J/g | 270 | |
250 |
Maximum Temperature: Mechanical, °C | 710 | |
400 |
Melting Completion (Liquidus), °C | 1450 | |
1460 |
Melting Onset (Solidus), °C | 1410 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 25 | |
48 |
Thermal Expansion, µm/m-K | 10 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 8.5 | |
2.1 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.3 | |
1.4 |
Embodied Energy, MJ/kg | 32 | |
19 |
Embodied Water, L/kg | 94 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 | |
69 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 94 | |
310 to 610 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 16 | |
25 to 28 |
Strength to Weight: Bending, points | 16 | |
22 to 24 |
Thermal Diffusivity, mm2/s | 6.7 | |
13 |
Thermal Shock Resistance, points | 16 | |
22 to 25 |
Alloy Composition
Carbon (C), % | 0 to 0.030 | |
0.52 to 0.6 |
Chromium (Cr), % | 10.5 to 11.7 | |
0 to 0.4 |
Iron (Fe), % | 84.7 to 89.4 | |
97.1 to 98.9 |
Manganese (Mn), % | 0 to 1.0 | |
0.6 to 0.9 |
Molybdenum (Mo), % | 0 | |
0 to 0.1 |
Nickel (Ni), % | 0 to 0.5 | |
0 to 0.4 |
Niobium (Nb), % | 0.080 to 0.75 | |
0 |
Nitrogen (N), % | 0 to 0.030 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.035 |
Silicon (Si), % | 0 to 1.0 | |
0 to 0.4 |
Sulfur (S), % | 0 to 0.020 | |
0 to 0.035 |
Titanium (Ti), % | 0.050 to 0.2 | |
0 |