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ASTM A369 Grade FP91 vs. EN 1.8880 Steel

Both ASTM A369 grade FP91 and EN 1.8880 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. 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 FP91 and the bottom bar is EN 1.8880 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
16
Fatigue Strength, MPa 320
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 410
510
Tensile Strength: Ultimate (UTS), MPa 670
830
Tensile Strength: Yield (Proof), MPa 460
720

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 600
420
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
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 37
26
Embodied Water, L/kg 88
54

Common Calculations

PREN (Pitting Resistance) 13
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 560
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 18
24

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.080 to 0.12
0 to 0.2
Chromium (Cr), % 8.0 to 9.5
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 87.3 to 90.3
91.9 to 100
Manganese (Mn), % 0.3 to 0.6
0 to 1.7
Molybdenum (Mo), % 0.85 to 1.1
0 to 0.7
Nickel (Ni), % 0 to 0.4
0 to 2.5
Niobium (Nb), % 0.060 to 0.1
0 to 0.060
Nitrogen (N), % 0.030 to 0.070
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0 to 0.010
0 to 0.050
Vanadium (V), % 0.18 to 0.25
0 to 0.12
Zirconium (Zr), % 0 to 0.010
0 to 0.15