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SAE-AISI T2 Steel vs. AISI 202 Stainless Steel

Both SAE-AISI T2 steel and AISI 202 stainless steel are iron alloys. They have 73% 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 T2 steel and the bottom bar is AISI 202 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 79
77
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
700 to 980

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1820
1400
Melting Onset (Solidus), °C 1760
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 19
15
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 46
13
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 170
40
Embodied Water, L/kg 98
150

Common Calculations

PREN (Pitting Resistance) 36
20
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
25 to 35
Strength to Weight: Bending, points 20 to 40
23 to 29
Thermal Diffusivity, mm2/s 4.9
4.0
Thermal Shock Resistance, points 23 to 65
15 to 21

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 75.8
63.5 to 71.5
Manganese (Mn), % 0.2 to 0.4
7.5 to 10
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.3
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0

Comparable Variants