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ASTM A369 Grade FP91 vs. EN 1.3558 Steel

Both ASTM A369 grade FP91 and EN 1.3558 steel are iron alloys. They have 81% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
230
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 670
770

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 600
490
Melting Completion (Liquidus), °C 1460
1810
Melting Onset (Solidus), °C 1420
1760
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 26
20
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
13
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
45
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 2.6
8.4
Embodied Energy, MJ/kg 37
130
Embodied Water, L/kg 88
90

Common Calculations

PREN (Pitting Resistance) 13
35
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 6.9
5.3
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0.7 to 0.8
Chromium (Cr), % 8.0 to 9.5
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 87.3 to 90.3
73.7 to 77.6
Manganese (Mn), % 0.3 to 0.6
0 to 0.4
Molybdenum (Mo), % 0.85 to 1.1
0 to 0.6
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 0.4
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0.18 to 0.25
1.0 to 1.3
Zirconium (Zr), % 0 to 0.010
0