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ASTM A369 Grade FP9 vs. SAE-AISI 1037 Steel

Both ASTM A369 grade FP9 and SAE-AISI 1037 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 1037 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
14 to 20
Fatigue Strength, MPa 160
220 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 300
360 to 390
Tensile Strength: Ultimate (UTS), MPa 470
580 to 640
Tensile Strength: Yield (Proof), MPa 240
320 to 540

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
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.1

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
18
Embodied Water, L/kg 87
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
270 to 780
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
20 to 23
Strength to Weight: Bending, points 17
20 to 21
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 13
18 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0.32 to 0.38
Chromium (Cr), % 8.0 to 10
0
Iron (Fe), % 87.1 to 90.3
98.5 to 99
Manganese (Mn), % 0.3 to 0.6
0.7 to 1.0
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