S31730 Stainless Steel vs. EN 1.5535 Steel
Both S31730 stainless steel and EN 1.5535 steel are iron alloys. They have 58% of their average alloy composition in common. There are 27 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 S31730 stainless steel and the bottom bar is EN 1.5535 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 180 | |
130 to 180 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 40 | |
11 to 22 |
Fatigue Strength, MPa | 170 | |
210 to 320 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 77 | |
73 |
Shear Strength, MPa | 370 | |
320 to 370 |
Tensile Strength: Ultimate (UTS), MPa | 540 | |
450 to 1490 |
Tensile Strength: Yield (Proof), MPa | 200 | |
300 to 500 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
250 |
Maximum Temperature: Mechanical, °C | 990 | |
400 |
Melting Completion (Liquidus), °C | 1430 | |
1460 |
Melting Onset (Solidus), °C | 1390 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Expansion, µm/m-K | 16 | |
13 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 24 | |
1.9 |
Density, g/cm3 | 8.0 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 4.6 | |
1.4 |
Embodied Energy, MJ/kg | 63 | |
19 |
Embodied Water, L/kg | 180 | |
48 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 170 | |
45 to 250 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 99 | |
240 to 680 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 19 | |
16 to 53 |
Strength to Weight: Bending, points | 18 | |
17 to 37 |
Thermal Shock Resistance, points | 12 | |
13 to 44 |
Alloy Composition
Boron (B), % | 0 | |
0.00080 to 0.0050 |
Carbon (C), % | 0 to 0.030 | |
0.2 to 0.25 |
Chromium (Cr), % | 17 to 19 | |
0 to 0.3 |
Copper (Cu), % | 4.0 to 5.0 | |
0 to 0.25 |
Iron (Fe), % | 52.4 to 61 | |
97.6 to 98.9 |
Manganese (Mn), % | 0 to 2.0 | |
0.9 to 1.2 |
Molybdenum (Mo), % | 3.0 to 4.0 | |
0 |
Nickel (Ni), % | 15 to 16.5 | |
0 |
Nitrogen (N), % | 0 to 0.045 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.025 |
Silicon (Si), % | 0 to 1.0 | |
0 to 0.3 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.025 |