MakeItFrom.com
Menu (ESC)

SAE-AISI P6 Steel vs. S38815 Stainless Steel

Both SAE-AISI P6 steel and S38815 stainless 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 (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P6 steel and the bottom bar is S38815 stainless 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 73
74
Tensile Strength: Ultimate (UTS), MPa 630 to 1930
610

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
19
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 1.8
3.8
Embodied Energy, MJ/kg 24
54
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
22
Strength to Weight: Bending, points 21 to 44
21
Thermal Shock Resistance, points 21 to 63
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 1.3 to 1.8
13 to 15
Copper (Cu), % 0 to 0.25
0.75 to 1.5
Iron (Fe), % 92.9 to 95
56.1 to 67
Manganese (Mn), % 0.35 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 3.3 to 3.8
13 to 17
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.4
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0 to 0.020