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AISI 202 Stainless Steel vs. S82012 Stainless Steel

Both AISI 202 stainless steel and S82012 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
40
Fatigue Strength, MPa 290 to 330
480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 490 to 590
550
Tensile Strength: Ultimate (UTS), MPa 700 to 980
800
Tensile Strength: Yield (Proof), MPa 310 to 580
560

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 910
950
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

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
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.4
Embodied Energy, MJ/kg 40
35
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 20
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
290
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 35
29
Strength to Weight: Bending, points 23 to 29
25
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 15 to 21
23

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 17 to 19
19 to 20.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 63.5 to 71.5
71.3 to 77.9
Manganese (Mn), % 7.5 to 10
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 4.0 to 6.0
0.8 to 1.5
Nitrogen (N), % 0 to 0.25
0.16 to 0.26
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050