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SAE-AISI T15 Steel vs. S32906 Stainless Steel

Both SAE-AISI T15 steel and S32906 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T15 steel and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
850

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1690
1430
Melting Onset (Solidus), °C 1640
1380
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
20
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 16
3.7
Embodied Energy, MJ/kg 250
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 27
41
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 26 to 71
30
Strength to Weight: Bending, points 22 to 43
26
Thermal Diffusivity, mm2/s 5.6
3.6
Thermal Shock Resistance, points 26 to 70
23

Alloy Composition

Carbon (C), % 1.5 to 1.6
0 to 0.030
Chromium (Cr), % 3.8 to 5.0
28 to 30
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0 to 0.8
Iron (Fe), % 67.5 to 73.5
56.6 to 63.6
Manganese (Mn), % 0.15 to 0.4
0.8 to 1.5
Molybdenum (Mo), % 0 to 1.0
1.5 to 2.6
Nickel (Ni), % 0 to 0.3
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0