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S15500 Stainless Steel vs. S82122 Stainless Steel

Both S15500 stainless steel and S82122 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
34
Fatigue Strength, MPa 350 to 650
360
Poisson's Ratio 0.28
0.28
Rockwell C Hardness 27 to 46
28
Shear Modulus, GPa 75
78
Shear Strength, MPa 540 to 870
460
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
680
Tensile Strength: Yield (Proof), MPa 590 to 1310
450

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 820
990
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
13

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 13
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 39
37
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 15
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
25
Strength to Weight: Bending, points 26 to 37
22
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 30 to 50
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
20.5 to 21.5
Copper (Cu), % 2.5 to 4.5
0.5 to 1.5
Iron (Fe), % 71.9 to 79.9
68.9 to 75.4
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 3.5 to 5.5
1.5 to 2.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.15 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020