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ASTM A369 Grade FP91 vs. EN 1.0314 Steel

Both ASTM A369 grade FP91 and EN 1.0314 steel are iron alloys. They have 89% 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 1.0314 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
92 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
24 to 25
Fatigue Strength, MPa 320
140 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 410
200 to 250
Tensile Strength: Ultimate (UTS), MPa 670
320 to 400
Tensile Strength: Yield (Proof), MPa 460
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
7.9

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
68 to 87
Resilience: Unit (Modulus of Resilience), kJ/m3 560
95 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
11 to 14
Strength to Weight: Bending, points 22
13 to 15
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 18
10 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.020
0.020 to 0.060
Carbon (C), % 0.080 to 0.12
0 to 0.030
Chromium (Cr), % 8.0 to 9.5
0
Iron (Fe), % 87.3 to 90.3
99.365 to 99.78
Manganese (Mn), % 0.3 to 0.6
0.2 to 0.4
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 0.020
Silicon (Si), % 0.2 to 0.5
0 to 0.1
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