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SAE-AISI T6 Steel vs. AISI 316N Stainless Steel

Both SAE-AISI T6 steel and AISI 316N 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 (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T6 steel and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
620 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1830
1440
Melting Onset (Solidus), °C 1770
1400
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
19
Density, g/cm3 9.5
7.9
Embodied Carbon, kg CO2/kg material 11
3.9
Embodied Energy, MJ/kg 170
53
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 39
27
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 26 to 63
22 to 41
Strength to Weight: Bending, points 21 to 39
20 to 31
Thermal Diffusivity, mm2/s 4.7
4.1
Thermal Shock Resistance, points 26 to 64
14 to 26

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.080
Chromium (Cr), % 4.0 to 4.8
16 to 18
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 55.9 to 63.5
61.9 to 71.9
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
10 to 14
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0

Comparable Variants