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SAE-AISI T6 Steel vs. S66286 Stainless Steel

Both SAE-AISI T6 steel and S66286 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T6 steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
620 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1830
1430
Melting Onset (Solidus), °C 1770
1370
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
26
Density, g/cm3 9.5
7.9
Embodied Carbon, kg CO2/kg material 11
6.0
Embodied Energy, MJ/kg 170
87
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 39
19
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 26 to 63
22 to 36
Strength to Weight: Bending, points 21 to 39
20 to 28
Thermal Diffusivity, mm2/s 4.7
4.0
Thermal Shock Resistance, points 26 to 64
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.75 to 0.85
0 to 0.080
Chromium (Cr), % 4.0 to 4.8
13.5 to 16
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 55.9 to 63.5
49.1 to 59.5
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
1.0 to 1.5
Nickel (Ni), % 0 to 0.3
24 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0.1 to 0.5

Comparable Variants