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S82012 Stainless Steel vs. S35125 Stainless Steel

Both S82012 stainless steel and S35125 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 64% of their average alloy composition in common. There are 32 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 S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
39
Fatigue Strength, MPa 480
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 550
370
Tensile Strength: Ultimate (UTS), MPa 800
540
Tensile Strength: Yield (Proof), MPa 560
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
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
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.4
6.4
Embodied Energy, MJ/kg 35
89
Embodied Water, L/kg 140
210

Common Calculations

PREN (Pitting Resistance) 24
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
170
Resilience: Unit (Modulus of Resilience), kJ/m3 790
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
19
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 to 0.1
Chromium (Cr), % 19 to 20.5
20 to 23
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
36.2 to 45.8
Manganese (Mn), % 2.0 to 4.0
1.0 to 1.5
Molybdenum (Mo), % 0.1 to 0.6
2.0 to 3.0
Nickel (Ni), % 0.8 to 1.5
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.015