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EN 1.4462 Stainless Steel vs. S82121 Stainless Steel

Both EN 1.4462 stainless steel and S82121 stainless steel are iron alloys. They have a very high 95% 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 1.4462 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
28
Fatigue Strength, MPa 370
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 500
470
Tensile Strength: Ultimate (UTS), MPa 780
730
Tensile Strength: Yield (Proof), MPa 520
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1060
1020
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
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 17
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 49
40
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 34
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
180
Resilience: Unit (Modulus of Resilience), kJ/m3 670
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.035
Chromium (Cr), % 21 to 23
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 63.7 to 71.9
66.7 to 75.4
Manganese (Mn), % 0 to 2.0
1.0 to 2.5
Molybdenum (Mo), % 2.5 to 3.5
0.3 to 1.3
Nickel (Ni), % 4.5 to 6.5
2.0 to 4.0
Nitrogen (N), % 0.1 to 0.22
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