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ASTM A182 Grade F5 vs. SAE-AISI P20 Steel

Both ASTM A182 grade F5 and SAE-AISI P20 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F5 and the bottom bar is SAE-AISI P20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 540
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 260
260
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
45
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.6
Embodied Energy, MJ/kg 24
21
Embodied Water, L/kg 69
52

Common Calculations

PREN (Pitting Resistance) 6.8
2.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
19 to 37
Strength to Weight: Bending, points 19
19 to 29
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 15
18 to 35

Alloy Composition

Carbon (C), % 0 to 0.15
0.28 to 0.4
Chromium (Cr), % 4.0 to 6.0
0.4 to 2.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 91.5 to 95.3
95.2 to 98.5
Manganese (Mn), % 0.3 to 0.6
0.35 to 0.71
Molybdenum (Mo), % 0.44 to 0.65
0.3 to 0.55
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.030