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S82122 Stainless Steel vs. EN 1.8505 Steel

Both S82122 stainless steel and EN 1.8505 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S82122 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
13
Fatigue Strength, MPa 360
540
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 460
630
Tensile Strength: Ultimate (UTS), MPa 680
1050
Tensile Strength: Yield (Proof), MPa 450
860

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
440
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 37
22
Embodied Water, L/kg 150
65

Common Calculations

PREN (Pitting Resistance) 25
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 510
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
37
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 19
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.030
0.28 to 0.35
Chromium (Cr), % 20.5 to 21.5
1.5 to 1.8
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 68.9 to 75.4
95.4 to 97.1
Manganese (Mn), % 2.0 to 4.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.6
0.2 to 0.4
Nickel (Ni), % 1.5 to 2.5
0
Nitrogen (N), % 0.15 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035