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ASTM A369 Grade FP9 vs. SAE-AISI 1552 Steel

Both ASTM A369 grade FP9 and SAE-AISI 1552 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 FP9 and the bottom bar is SAE-AISI 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 14
Fatigue Strength, MPa 160
290 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 300
460 to 510
Tensile Strength: Ultimate (UTS), MPa 470
760 to 840
Tensile Strength: Yield (Proof), MPa 240
460 to 650

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
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
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.8
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
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
81 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 140
560 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
27 to 30
Strength to Weight: Bending, points 17
24 to 25
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 13
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.15
0.47 to 0.55
Chromium (Cr), % 8.0 to 10
0
Iron (Fe), % 87.1 to 90.3
97.9 to 98.3
Manganese (Mn), % 0.3 to 0.6
1.2 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050