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ASTM A369 Grade FP1 vs. SAE-AISI 1046 Steel

Both ASTM A369 grade FP1 and SAE-AISI 1046 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP1 and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
14 to 17
Fatigue Strength, MPa 160
240 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 270
410 to 450
Tensile Strength: Ultimate (UTS), MPa 430
660 to 740
Tensile Strength: Yield (Proof), MPa 240
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 150
360 to 990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
23 to 26
Strength to Weight: Bending, points 16
22 to 23
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 13
23 to 25

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.43 to 0.5
Iron (Fe), % 97.8 to 99.06
98.4 to 98.9
Manganese (Mn), % 0.3 to 0.8
0.7 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.025
0 to 0.050