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SAE-AISI T8 Steel vs. AISI 310HCb Stainless Steel

Both SAE-AISI T8 steel and AISI 310HCb stainless steel are iron alloys. They have 58% 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 T8 steel and the bottom bar is AISI 310HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
590

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1730
1410
Melting Onset (Solidus), °C 1670
1370
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
28
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 10
4.8
Embodied Energy, MJ/kg 160
69
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 30
25
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24 to 66
21
Strength to Weight: Bending, points 21 to 41
20
Thermal Diffusivity, mm2/s 4.8
3.9
Thermal Shock Resistance, points 24 to 66
13

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.040 to 0.1
Chromium (Cr), % 3.8 to 4.5
24 to 26
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 69.3 to 75.4
48 to 57
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
19 to 22
Niobium (Nb), % 0
0 to 1.1
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), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0