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ASTM A369 Grade FP91 vs. EN 1.5501 Steel

Both ASTM A369 grade FP91 and EN 1.5501 steel are iron alloys. They have 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP91 and the bottom bar is EN 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
120 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
12 to 17
Fatigue Strength, MPa 320
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 410
270 to 310
Tensile Strength: Ultimate (UTS), MPa 670
390 to 510
Tensile Strength: Yield (Proof), MPa 460
260 to 420

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 37
18
Embodied Water, L/kg 88
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 560
190 to 460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
14 to 18
Strength to Weight: Bending, points 22
15 to 18
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 18
11 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.080 to 0.12
0.13 to 0.16
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 87.3 to 90.3
98.4 to 99.269
Manganese (Mn), % 0.3 to 0.6
0.6 to 0.8
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0