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AISI 446 Stainless Steel vs. SAE-AISI T2 Steel

Both AISI 446 stainless steel and SAE-AISI T2 steel are iron alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is SAE-AISI T2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 570
780 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1510
1820
Melting Onset (Solidus), °C 1430
1760
Specific Heat Capacity, J/kg-K 490
410
Thermal Conductivity, W/m-K 17
19
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
46
Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 2.4
11
Embodied Energy, MJ/kg 35
170
Embodied Water, L/kg 150
98

Common Calculations

PREN (Pitting Resistance) 27
36
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 26
21
Strength to Weight: Axial, points 21
23 to 64
Strength to Weight: Bending, points 20
20 to 40
Thermal Diffusivity, mm2/s 4.6
4.9
Thermal Shock Resistance, points 19
23 to 65

Alloy Composition

Carbon (C), % 0 to 0.2
0.8 to 0.9
Chromium (Cr), % 23 to 27
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 69.2 to 77
70.8 to 75.8
Manganese (Mn), % 0 to 1.5
0.2 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.75
0 to 0.3
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4