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S20433 Stainless Steel vs. S82012 Stainless Steel

Both S20433 stainless steel and S82012 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S20433 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, % 46
40
Fatigue Strength, MPa 250
480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 440
550
Tensile Strength: Ultimate (UTS), MPa 630
800
Tensile Strength: Yield (Proof), MPa 270
560

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 900
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 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 39
35
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 20
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
290
Resilience: Unit (Modulus of Resilience), kJ/m3 180
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 14
23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 17 to 18
19 to 20.5
Copper (Cu), % 1.5 to 3.5
0 to 1.0
Iron (Fe), % 64.1 to 72.4
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), % 0.1 to 0.25
0.16 to 0.26
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050