ASTM A369 Grade FP22 vs. EN 1.7703 Steel
Both ASTM A369 grade FP22 and EN 1.7703 steel are iron alloys. Their average alloy composition is basically identical. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is ASTM A369 grade FP22 and the bottom bar is EN 1.7703 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 140 | |
200 to 210 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 20 | |
20 |
Fatigue Strength, MPa | 160 | |
320 to 340 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 74 | |
74 |
Shear Strength, MPa | 300 | |
420 to 430 |
Tensile Strength: Ultimate (UTS), MPa | 470 | |
670 to 690 |
Tensile Strength: Yield (Proof), MPa | 240 | |
460 to 500 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
250 |
Maximum Temperature: Mechanical, °C | 460 | |
460 |
Melting Completion (Liquidus), °C | 1470 | |
1470 |
Melting Onset (Solidus), °C | 1430 | |
1430 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 39 | |
39 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
7.6 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
8.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.8 | |
4.2 |
Density, g/cm3 | 7.9 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.7 | |
2.5 |
Embodied Energy, MJ/kg | 23 | |
35 |
Embodied Water, L/kg | 58 | |
61 |
Common Calculations
PREN (Pitting Resistance) | 5.5 | |
5.6 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 | |
120 to 130 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 | |
570 to 650 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 17 | |
24 |
Strength to Weight: Bending, points | 17 | |
22 |
Thermal Diffusivity, mm2/s | 11 | |
11 |
Thermal Shock Resistance, points | 14 | |
19 to 20 |
Alloy Composition
Carbon (C), % | 0.050 to 0.15 | |
0.11 to 0.15 |
Chromium (Cr), % | 1.9 to 2.6 | |
2.0 to 2.5 |
Copper (Cu), % | 0 | |
0 to 0.2 |
Iron (Fe), % | 95 to 96.9 | |
94.6 to 96.4 |
Manganese (Mn), % | 0.3 to 0.6 | |
0.3 to 0.6 |
Molybdenum (Mo), % | 0.87 to 1.1 | |
0.9 to 1.1 |
Nickel (Ni), % | 0 | |
0 to 0.25 |
Niobium (Nb), % | 0 | |
0 to 0.070 |
Nitrogen (N), % | 0 | |
0 to 0.012 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.015 |
Silicon (Si), % | 0 to 0.5 | |
0 to 0.1 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.0050 |
Titanium (Ti), % | 0 | |
0 to 0.030 |
Vanadium (V), % | 0 | |
0.25 to 0.35 |