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S82122 Stainless Steel vs. EN 1.8959 Steel

Both S82122 stainless steel and EN 1.8959 steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S82122 stainless steel and the bottom bar is EN 1.8959 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
16
Fatigue Strength, MPa 360
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 460
350
Tensile Strength: Ultimate (UTS), MPa 680
570
Tensile Strength: Yield (Proof), MPa 450
340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 37
21
Embodied Water, L/kg 150
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
78
Resilience: Unit (Modulus of Resilience), kJ/m3 510
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.19
Chromium (Cr), % 20.5 to 21.5
0.35 to 0.85
Copper (Cu), % 0.5 to 1.5
0.2 to 0.6
Iron (Fe), % 68.9 to 75.4
94.9 to 99
Manganese (Mn), % 2.0 to 4.0
0.45 to 1.6
Molybdenum (Mo), % 0 to 0.6
0 to 0.35
Nickel (Ni), % 1.5 to 2.5
0 to 0.7
Nitrogen (N), % 0.15 to 0.2
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.55
Sulfur (S), % 0 to 0.020
0 to 0.040
Zirconium (Zr), % 0
0 to 0.17