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EN 1.4110 Stainless Steel vs. S82121 Stainless Steel

Both EN 1.4110 stainless steel and S82121 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 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 1.4110 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
28
Fatigue Strength, MPa 250 to 730
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Shear Strength, MPa 470 to 1030
470
Tensile Strength: Ultimate (UTS), MPa 770 to 1720
730
Tensile Strength: Yield (Proof), MPa 430 to 1330
510

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 790
1020
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 33
40
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 16
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 180
180
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 4550
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 62
26
Strength to Weight: Bending, points 24 to 41
23
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 27 to 60
20

Alloy Composition

Carbon (C), % 0.48 to 0.6
0 to 0.035
Chromium (Cr), % 13 to 15
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 81.4 to 86
66.7 to 75.4
Manganese (Mn), % 0 to 1.0
1.0 to 2.5
Molybdenum (Mo), % 0.5 to 0.8
0.3 to 1.3
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0 to 0.15
0