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S82121 Stainless Steel vs. S41041 Stainless Steel

Both S82121 stainless steel and S41041 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 S82121 stainless steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
17
Fatigue Strength, MPa 370
350
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 470
560
Tensile Strength: Ultimate (UTS), MPa 730
910
Tensile Strength: Yield (Proof), MPa 510
580

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1020
740
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 40
31
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 28
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 660
860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
32
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 4.0
7.8
Thermal Shock Resistance, points 20
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.035
0.13 to 0.18
Chromium (Cr), % 21 to 23
11.5 to 13
Copper (Cu), % 0.2 to 1.2
0
Iron (Fe), % 66.7 to 75.4
84.5 to 87.8
Manganese (Mn), % 1.0 to 2.5
0.4 to 0.6
Molybdenum (Mo), % 0.3 to 1.3
0 to 0.2
Nickel (Ni), % 2.0 to 4.0
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030