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SAE-AISI P6 Steel vs. S30435 Stainless Steel

Both SAE-AISI P6 steel and S30435 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P6 steel and the bottom bar is S30435 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
76
Tensile Strength: Ultimate (UTS), MPa 630 to 1930
510

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.9
Embodied Energy, MJ/kg 24
40
Embodied Water, L/kg 59
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 68
18
Strength to Weight: Bending, points 21 to 44
18
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 21 to 63
12

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 1.3 to 1.8
16 to 18
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 92.9 to 95
66.9 to 75.5
Manganese (Mn), % 0.35 to 0.7
0 to 2.0
Nickel (Ni), % 3.3 to 3.8
7.0 to 9.0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.1 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030