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S46500 Stainless Steel vs. SAE-AISI T8 Steel

Both S46500 stainless steel and SAE-AISI T8 steel are iron alloys. They have 78% of their average alloy composition in common. There are 20 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 S46500 stainless steel and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1450
1730
Melting Onset (Solidus), °C 1410
1670
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
45
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 3.6
10
Embodied Energy, MJ/kg 51
160
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 15
30
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 44 to 68
24 to 66
Strength to Weight: Bending, points 33 to 44
21 to 41
Thermal Shock Resistance, points 44 to 67
24 to 66

Alloy Composition

Carbon (C), % 0 to 0.020
0.75 to 0.85
Chromium (Cr), % 11 to 12.5
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 72.6 to 76.1
69.3 to 75.4
Manganese (Mn), % 0 to 0.25
0.2 to 0.4
Molybdenum (Mo), % 0.75 to 1.3
0.4 to 1.0
Nickel (Ni), % 10.7 to 11.3
0 to 0.3
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.25
0.2 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.5 to 1.8
0
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4

Comparable Variants