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ASTM A369 Grade FP9 vs. SAE-AISI 1026 Steel

Both ASTM A369 grade FP9 and SAE-AISI 1026 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 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
17 to 27
Fatigue Strength, MPa 160
200 to 310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 300
320 to 340
Tensile Strength: Ultimate (UTS), MPa 470
500 to 550
Tensile Strength: Yield (Proof), MPa 240
270 to 470

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
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
18
Embodied Water, L/kg 87
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
200 to 580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
18 to 20
Strength to Weight: Bending, points 17
18 to 19
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 13
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.15
0.22 to 0.28
Chromium (Cr), % 8.0 to 10
0
Iron (Fe), % 87.1 to 90.3
98.7 to 99.18
Manganese (Mn), % 0.3 to 0.6
0.6 to 0.9
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