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S82012 Stainless Steel vs. N08332 Stainless Steel

Both S82012 stainless steel and N08332 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% 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 S82012 stainless steel and the bottom bar is N08332 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
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 550
350
Tensile Strength: Ultimate (UTS), MPa 800
520
Tensile Strength: Yield (Proof), MPa 560
210

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 950
1050
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.4
5.4
Embodied Energy, MJ/kg 35
77
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 24
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
140
Resilience: Unit (Modulus of Resilience), kJ/m3 790
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 3.9
3.1
Thermal Shock Resistance, points 23
12

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.1
Chromium (Cr), % 19 to 20.5
17 to 20
Copper (Cu), % 0 to 1.0
0 to 1.0
Iron (Fe), % 71.3 to 77.9
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 0.8 to 1.5
34 to 37
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.8
0.75 to 1.5
Sulfur (S), % 0 to 0.0050
0 to 0.030
Tin (Sn), % 0
0 to 0.025