EN 1.5535 Steel vs. EN 1.7710 Steel
Both EN 1.5535 steel and EN 1.7710 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.5535 steel and the bottom bar is EN 1.7710 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 130 to 180 | |
280 to 320 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 22 | |
6.8 to 11 |
Fatigue Strength, MPa | 210 to 320 | |
500 to 620 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 450 to 1490 | |
930 to 1070 |
Tensile Strength: Yield (Proof), MPa | 300 to 500 | |
800 to 1060 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
260 |
Maximum Temperature: Mechanical, °C | 400 | |
440 |
Melting Completion (Liquidus), °C | 1460 | |
1470 |
Melting Onset (Solidus), °C | 1420 | |
1430 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 50 | |
41 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
7.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
3.5 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
2.2 |
Embodied Energy, MJ/kg | 19 | |
30 |
Embodied Water, L/kg | 48 | |
57 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 to 250 | |
73 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 680 | |
1680 to 2970 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 16 to 53 | |
33 to 38 |
Strength to Weight: Bending, points | 17 to 37 | |
27 to 30 |
Thermal Diffusivity, mm2/s | 13 | |
11 |
Thermal Shock Resistance, points | 13 to 44 | |
27 to 31 |
Alloy Composition
Boron (B), % | 0.00080 to 0.0050 | |
0 |
Carbon (C), % | 0.2 to 0.25 | |
0.12 to 0.18 |
Chromium (Cr), % | 0 to 0.3 | |
1.3 to 1.8 |
Copper (Cu), % | 0 to 0.25 | |
0 |
Iron (Fe), % | 97.6 to 98.9 | |
95.1 to 97 |
Manganese (Mn), % | 0.9 to 1.2 | |
0.6 to 1.0 |
Molybdenum (Mo), % | 0 | |
0.8 to 1.0 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.3 | |
0 to 0.6 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.030 |
Vanadium (V), % | 0 | |
0.15 to 0.25 |