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SAE-AISI P5 Steel vs. ASTM A369 Grade FP2

Both SAE-AISI P5 steel and ASTM A369 grade FP2 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P5 steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 370 to 1980
430

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 56
50

Common Calculations

PREN (Pitting Resistance) 2.3
2.5
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 70
15
Strength to Weight: Bending, points 15 to 45
16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 12 to 65
13

Alloy Composition

Carbon (C), % 0 to 0.1
0.1 to 0.2
Chromium (Cr), % 2.0 to 2.5
0.5 to 0.81
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95.7 to 97.8
97.4 to 98.6
Manganese (Mn), % 0.2 to 0.6
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.35
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.4
0.1 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025