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S44700 Stainless Steel vs. SAE-AISI P2 Steel

Both S44700 stainless steel and SAE-AISI P2 steel are iron alloys. They have 68% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is S44700 stainless steel and the bottom bar is SAE-AISI P2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
73
Tensile Strength: Ultimate (UTS), MPa 600
330 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 49
20
Embodied Water, L/kg 180
51

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
12 to 70
Strength to Weight: Bending, points 20
14 to 45
Thermal Shock Resistance, points 19
11 to 65

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.1
Chromium (Cr), % 28 to 30
0.75 to 1.3
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 64.9 to 68.5
96.6 to 98.8
Manganese (Mn), % 0 to 0.3
0.1 to 0.4
Molybdenum (Mo), % 3.5 to 4.2
0.15 to 0.4
Nickel (Ni), % 0 to 0.15
0.1 to 0.5
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.2
0.1 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030