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S82012 Stainless Steel vs. S32202 Stainless Steel

Both S82012 stainless steel and S32202 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 96% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is S32202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 480
400
Poisson's Ratio 0.28
0.27
Rockwell C Hardness 27
27
Shear Modulus, GPa 78
79
Shear Strength, MPa 550
490
Tensile Strength: Ultimate (UTS), MPa 800
730
Tensile Strength: Yield (Proof), MPa 560
510

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 950
1030
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
37
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 24
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
220
Resilience: Unit (Modulus of Resilience), kJ/m3 790
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 23
20

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 19 to 20.5
21.5 to 24
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
69.4 to 77.3
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
0 to 0.45
Nickel (Ni), % 0.8 to 1.5
1.0 to 2.8
Nitrogen (N), % 0.16 to 0.26
0.18 to 0.26
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.010