R30556 Alloy vs. EN 1.7710 Steel
Both R30556 alloy and EN 1.7710 steel are iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. 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 R30556 alloy and the bottom bar is EN 1.7710 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 210 | |
190 |
Elongation at Break, % | 45 | |
6.8 to 11 |
Fatigue Strength, MPa | 320 | |
500 to 620 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 81 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 780 | |
930 to 1070 |
Tensile Strength: Yield (Proof), MPa | 350 | |
800 to 1060 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
260 |
Maximum Temperature: Mechanical, °C | 1100 | |
440 |
Melting Completion (Liquidus), °C | 1420 | |
1470 |
Melting Onset (Solidus), °C | 1330 | |
1430 |
Specific Heat Capacity, J/kg-K | 450 | |
470 |
Thermal Conductivity, W/m-K | 11 | |
41 |
Thermal Expansion, µm/m-K | 15 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.8 | |
7.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 1.9 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 70 | |
3.5 |
Density, g/cm3 | 8.4 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 8.7 | |
2.2 |
Embodied Energy, MJ/kg | 130 | |
30 |
Embodied Water, L/kg | 300 | |
57 |
Common Calculations
PREN (Pitting Resistance) | 40 | |
4.5 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 290 | |
73 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 | |
1680 to 2970 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 23 | |
24 |
Strength to Weight: Axial, points | 26 | |
33 to 38 |
Strength to Weight: Bending, points | 22 | |
27 to 30 |
Thermal Diffusivity, mm2/s | 2.9 | |
11 |
Thermal Shock Resistance, points | 18 | |
27 to 31 |
Alloy Composition
Aluminum (Al), % | 0.1 to 0.5 | |
0 |
Boron (B), % | 0 to 0.020 | |
0 |
Carbon (C), % | 0.050 to 0.15 | |
0.12 to 0.18 |
Chromium (Cr), % | 21 to 23 | |
1.3 to 1.8 |
Cobalt (Co), % | 16 to 21 | |
0 |
Iron (Fe), % | 20.4 to 38.2 | |
95.1 to 97 |
Lanthanum (La), % | 0.0050 to 0.1 | |
0 |
Manganese (Mn), % | 0.5 to 2.0 | |
0.6 to 1.0 |
Molybdenum (Mo), % | 2.5 to 4.0 | |
0.8 to 1.0 |
Nickel (Ni), % | 19 to 22.5 | |
0 |
Niobium (Nb), % | 0 to 0.3 | |
0 |
Nitrogen (N), % | 0.1 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.025 |
Silicon (Si), % | 0.2 to 0.8 | |
0 to 0.6 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.030 |
Tantalum (Ta), % | 0.3 to 1.3 | |
0 |
Tungsten (W), % | 2.0 to 3.5 | |
0 |
Vanadium (V), % | 0 | |
0.15 to 0.25 |
Zinc (Zn), % | 0.0010 to 0.1 | |
0 |