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ASTM A369 Grade FP9 vs. EN 1.5507 Steel

Both ASTM A369 grade FP9 and EN 1.5507 steel are iron alloys. They have 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP9 and the bottom bar is EN 1.5507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 470
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 87
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
16 to 31
Strength to Weight: Bending, points 17
17 to 26
Thermal Diffusivity, mm2/s 6.9
13
Thermal Shock Resistance, points 13
13 to 26

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.15
0.21 to 0.25
Chromium (Cr), % 8.0 to 10
0.25 to 0.35
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 87.1 to 90.3
97.8 to 98.7
Manganese (Mn), % 0.3 to 0.6
0.8 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.5 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.060