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S82121 Stainless Steel vs. EN 1.4854 Stainless Steel

Both S82121 stainless steel and EN 1.4854 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S82121 stainless steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
45
Fatigue Strength, MPa 370
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 470
520
Tensile Strength: Ultimate (UTS), MPa 730
750
Tensile Strength: Yield (Proof), MPa 510
340

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1020
1170
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
34
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
5.7
Embodied Energy, MJ/kg 40
81
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 28
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
270
Resilience: Unit (Modulus of Resilience), kJ/m3 660
280
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
2.9
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0 to 0.035
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 21 to 23
24 to 26
Copper (Cu), % 0.2 to 1.2
0
Iron (Fe), % 66.7 to 75.4
33.6 to 40.6
Manganese (Mn), % 1.0 to 2.5
0 to 2.0
Molybdenum (Mo), % 0.3 to 1.3
0
Nickel (Ni), % 2.0 to 4.0
34 to 36
Nitrogen (N), % 0.15 to 0.25
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.2 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.015