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ASTM A369 Grade FP5 vs. SAE-AISI 1025 Steel

Both ASTM A369 grade FP5 and SAE-AISI 1025 steel are iron alloys. They have a moderately high 94% 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 FP5 and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
17 to 28
Fatigue Strength, MPa 160
190 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 300
290 to 310
Tensile Strength: Ultimate (UTS), MPa 470
450 to 500
Tensile Strength: Yield (Proof), MPa 240
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
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 40
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 23
18
Embodied Water, L/kg 69
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
170 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
16 to 18
Strength to Weight: Bending, points 17
17 to 18
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 13
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.15
0.22 to 0.28
Chromium (Cr), % 4.0 to 6.0
0
Iron (Fe), % 92.1 to 95.3
99.03 to 99.48
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0 to 0.050