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EN 1.4826 Stainless Steel vs. S82121 Stainless Steel

Both EN 1.4826 stainless steel and S82121 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 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 EN 1.4826 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
28
Fatigue Strength, MPa 140
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 500
730
Tensile Strength: Yield (Proof), MPa 260
510

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 950
1020
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
40
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 23
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.035
Chromium (Cr), % 21 to 23
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 60.4 to 68.7
66.7 to 75.4
Manganese (Mn), % 0 to 2.0
1.0 to 2.5
Molybdenum (Mo), % 0 to 0.5
0.3 to 1.3
Nickel (Ni), % 9.0 to 11
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010