ASTM A369 Grade FP91 vs. AWS ERNiCrFe-5
ASTM A369 grade FP91 belongs to the iron alloys classification, while AWS ERNiCrFe-5 belongs to the nickel alloys. There are 24 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 ASTM A369 grade FP91 and the bottom bar is AWS ERNiCrFe-5.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 19 | |
34 |
Poisson's Ratio | 0.28 | |
0.3 |
Shear Modulus, GPa | 75 | |
74 |
Tensile Strength: Ultimate (UTS), MPa | 670 | |
630 |
Thermal Properties
Latent Heat of Fusion, J/g | 270 | |
310 |
Melting Completion (Liquidus), °C | 1460 | |
1390 |
Melting Onset (Solidus), °C | 1420 | |
1340 |
Specific Heat Capacity, J/kg-K | 470 | |
450 |
Thermal Conductivity, W/m-K | 26 | |
14 |
Thermal Expansion, µm/m-K | 13 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.9 | |
1.6 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
1.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 7.0 | |
65 |
Density, g/cm3 | 7.8 | |
8.5 |
Embodied Carbon, kg CO2/kg material | 2.6 | |
11 |
Embodied Energy, MJ/kg | 37 | |
150 |
Embodied Water, L/kg | 88 | |
250 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
12 |
Stiffness to Weight: Bending, points | 25 | |
23 |
Strength to Weight: Axial, points | 24 | |
20 |
Strength to Weight: Bending, points | 22 | |
19 |
Thermal Diffusivity, mm2/s | 6.9 | |
3.6 |
Thermal Shock Resistance, points | 18 | |
19 |
Alloy Composition
Aluminum (Al), % | 0 to 0.020 | |
0 |
Carbon (C), % | 0.080 to 0.12 | |
0 to 0.080 |
Chromium (Cr), % | 8.0 to 9.5 | |
14 to 17 |
Cobalt (Co), % | 0 | |
0 to 0.12 |
Copper (Cu), % | 0 | |
0 to 0.5 |
Iron (Fe), % | 87.3 to 90.3 | |
6.0 to 10 |
Manganese (Mn), % | 0.3 to 0.6 | |
0 to 1.0 |
Molybdenum (Mo), % | 0.85 to 1.1 | |
0 |
Nickel (Ni), % | 0 to 0.4 | |
70 to 78.5 |
Niobium (Nb), % | 0.060 to 0.1 | |
1.5 to 3.0 |
Nitrogen (N), % | 0.030 to 0.070 | |
0 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.030 |
Silicon (Si), % | 0.2 to 0.5 | |
0 to 0.35 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.015 |
Titanium (Ti), % | 0 to 0.010 | |
0 |
Vanadium (V), % | 0.18 to 0.25 | |
0 |
Zirconium (Zr), % | 0 to 0.010 | |
0 |
Residuals, % | 0 | |
0 to 0.5 |