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EN 1.4362 Stainless Steel vs. S82121 Stainless Steel

Both EN 1.4362 stainless steel and S82121 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 33 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 1.4362 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
28
Fatigue Strength, MPa 320
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
78
Shear Strength, MPa 470
470
Tensile Strength: Ultimate (UTS), MPa 730
730
Tensile Strength: Yield (Proof), MPa 460
510

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1060
1020
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
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 14
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 41
40
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 26
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 530
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 20
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.035
Chromium (Cr), % 22 to 24.5
21 to 23
Copper (Cu), % 0.1 to 0.6
0.2 to 1.2
Iron (Fe), % 65.5 to 74.3
66.7 to 75.4
Manganese (Mn), % 0 to 2.0
1.0 to 2.5
Molybdenum (Mo), % 0.1 to 0.6
0.3 to 1.3
Nickel (Ni), % 3.5 to 5.5
2.0 to 4.0
Nitrogen (N), % 0.050 to 0.2
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010