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SAE-AISI P5 Steel vs. S28200 Stainless Steel

Both SAE-AISI P5 steel and S28200 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P5 steel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 370 to 1980
870

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
41
Embodied Water, L/kg 56
160

Common Calculations

PREN (Pitting Resistance) 2.3
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 13 to 70
32
Strength to Weight: Bending, points 15 to 45
27
Thermal Shock Resistance, points 12 to 65
17

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 2.0 to 2.5
17 to 19
Copper (Cu), % 0 to 0.25
0.75 to 1.3
Iron (Fe), % 95.7 to 97.8
57.7 to 64.1
Manganese (Mn), % 0.2 to 0.6
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0 to 0.35
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030