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S82012 Stainless Steel vs. S35500 Stainless Steel

Both S82012 stainless steel and S35500 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14
Fatigue Strength, MPa 480
690 to 730
Poisson's Ratio 0.28
0.28
Rockwell C Hardness 27
33 to 42
Shear Modulus, GPa 78
78
Shear Strength, MPa 550
810 to 910
Tensile Strength: Ultimate (UTS), MPa 800
1330 to 1490
Tensile Strength: Yield (Proof), MPa 560
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 950
870
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.5
Embodied Energy, MJ/kg 35
47
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 24
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 790
3610 to 4100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
47 to 53
Strength to Weight: Bending, points 25
34 to 37
Thermal Diffusivity, mm2/s 3.9
4.4
Thermal Shock Resistance, points 23
44 to 49

Alloy Composition

Carbon (C), % 0 to 0.050
0.1 to 0.15
Chromium (Cr), % 19 to 20.5
15 to 16
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
73.2 to 77.7
Manganese (Mn), % 2.0 to 4.0
0.5 to 1.3
Molybdenum (Mo), % 0.1 to 0.6
2.5 to 3.2
Nickel (Ni), % 0.8 to 1.5
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0.16 to 0.26
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.030