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ASTM A369 Grade FP91 vs. EN 1.5535 Steel

Both ASTM A369 grade FP91 and EN 1.5535 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 1.5535 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
11 to 22
Fatigue Strength, MPa 320
210 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 410
320 to 370
Tensile Strength: Ultimate (UTS), MPa 670
450 to 1490
Tensile Strength: Yield (Proof), MPa 460
300 to 500

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
50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 37
19
Embodied Water, L/kg 88
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
45 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 560
240 to 680
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
16 to 53
Strength to Weight: Bending, points 22
17 to 37
Thermal Diffusivity, mm2/s 6.9
13
Thermal Shock Resistance, points 18
13 to 44

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.080 to 0.12
0.2 to 0.25
Chromium (Cr), % 8.0 to 9.5
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 87.3 to 90.3
97.6 to 98.9
Manganese (Mn), % 0.3 to 0.6
0.9 to 1.2
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