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Annealed N08020 Stainless Steel vs. Annealed SAE-AISI T2

Both annealed N08020 stainless steel and annealed SAE-AISI T2 are iron alloys. Both are furnished in the annealed condition. They have 43% of their average alloy composition in common. There are 24 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 annealed N08020 stainless steel and the bottom bar is annealed SAE-AISI T2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Rockwell B Hardness 82
100
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 610
780

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1410
1820
Melting Onset (Solidus), °C 1360
1760
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 12
19
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 38
46
Density, g/cm3 8.2
9.3
Embodied Carbon, kg CO2/kg material 6.6
11
Embodied Energy, MJ/kg 92
170
Embodied Water, L/kg 220
98

Common Calculations

PREN (Pitting Resistance) 28
36
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.2
4.9
Thermal Shock Resistance, points 15
23

Alloy Composition

Carbon (C), % 0 to 0.070
0.8 to 0.9
Chromium (Cr), % 19 to 21
3.8 to 4.5
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 29.9 to 44
70.8 to 75.8
Manganese (Mn), % 0 to 2.0
0.2 to 0.4
Molybdenum (Mo), % 2.0 to 3.0
0 to 1.0
Nickel (Ni), % 32 to 38
0 to 0.3
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4