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SAE-AISI 1524 Steel vs. ASTM A369 Grade FPB

Both SAE-AISI 1524 steel and ASTM A369 grade FPB 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 SAE-AISI 1524 steel and the bottom bar is ASTM A369 grade FPB.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
19
Fatigue Strength, MPa 230 to 340
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 390
290
Tensile Strength: Ultimate (UTS), MPa 570 to 650
470
Tensile Strength: Yield (Proof), MPa 320 to 540
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
78
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 760
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 23
17
Strength to Weight: Bending, points 19 to 21
17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18 to 21
15

Alloy Composition

Carbon (C), % 0.19 to 0.25
0 to 0.3
Iron (Fe), % 98 to 98.5
98.1 to 99.61
Manganese (Mn), % 1.4 to 1.7
0.29 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0.1 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.035