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EN 1.4818 Stainless Steel vs. S82122 Stainless Steel

Both EN 1.4818 stainless steel and S82122 stainless steel are iron alloys. They have a moderately high 91% 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 EN 1.4818 stainless steel and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 280
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 480
460
Tensile Strength: Ultimate (UTS), MPa 700
680
Tensile Strength: Yield (Proof), MPa 330
450

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1050
990
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 17
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 16
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.6
Embodied Energy, MJ/kg 44
37
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
210
Resilience: Unit (Modulus of Resilience), kJ/m3 270
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
20.5 to 21.5
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 65.6 to 71.8
68.9 to 75.4
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 9.0 to 11
1.5 to 2.5
Nitrogen (N), % 0.12 to 0.2
0.15 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.020