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AISI 202 Stainless Steel vs. AISI 384 Stainless Steel

Both AISI 202 stainless steel and AISI 384 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is AISI 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 700 to 980
480

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
910
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 40
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 20
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 35
17
Strength to Weight: Bending, points 23 to 29
17
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 15 to 21
11

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.040
Chromium (Cr), % 17 to 19
15 to 17
Iron (Fe), % 63.5 to 71.5
60.9 to 68
Manganese (Mn), % 7.5 to 10
0 to 2.0
Nickel (Ni), % 4.0 to 6.0
17 to 19
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030