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AISI 201L Stainless Steel vs. S82012 Stainless Steel

Both AISI 201L stainless steel and S82012 stainless steel are iron alloys. They have a moderately high 93% 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 201L 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, % 22 to 46
40
Fatigue Strength, MPa 270 to 530
480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 520 to 660
550
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
800
Tensile Strength: Yield (Proof), MPa 290 to 790
560

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
950
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
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 12
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 38
35
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
290
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 37
29
Strength to Weight: Bending, points 24 to 30
25
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 16 to 23
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 16 to 18
19 to 20.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 67.9 to 75
71.3 to 77.9
Manganese (Mn), % 5.5 to 7.5
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 3.5 to 5.5
0.8 to 1.5
Nitrogen (N), % 0 to 0.25
0.16 to 0.26
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050