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SAE-AISI P6 Steel vs. S30601 Stainless Steel

Both SAE-AISI P6 steel and S30601 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P6 steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 630 to 1930
660

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
20
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.8
3.9
Embodied Energy, MJ/kg 24
55
Embodied Water, L/kg 59
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 68
24
Strength to Weight: Bending, points 21 to 44
22
Thermal Shock Resistance, points 21 to 63
16

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.015
Chromium (Cr), % 1.3 to 1.8
17 to 18
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 92.9 to 95
56.9 to 60.5
Manganese (Mn), % 0.35 to 0.7
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 3.3 to 3.8
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.1 to 0.4
5.0 to 5.6
Sulfur (S), % 0 to 0.030
0 to 0.013