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S82121 Stainless Steel vs. EN 1.0117 Steel

Both S82121 stainless steel and EN 1.0117 steel are iron alloys. They have 72% 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 S82121 stainless steel and the bottom bar is EN 1.0117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
25
Fatigue Strength, MPa 370
160
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 470
270
Tensile Strength: Ultimate (UTS), MPa 730
430
Tensile Strength: Yield (Proof), MPa 510
220

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
1.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
18
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
88
Resilience: Unit (Modulus of Resilience), kJ/m3 660
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
15
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 20
13

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.19
Chromium (Cr), % 21 to 23
0
Copper (Cu), % 0.2 to 1.2
0 to 0.6
Iron (Fe), % 66.7 to 75.4
97.6 to 100
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 0.3 to 1.3
0
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0 to 0.035