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S82012 Stainless Steel vs. EN 1.1191 Steel

Both S82012 stainless steel and EN 1.1191 steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is EN 1.1191 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16 to 17
Fatigue Strength, MPa 480
210 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 550
380 to 430
Tensile Strength: Ultimate (UTS), MPa 800
630 to 700
Tensile Strength: Yield (Proof), MPa 560
310 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 950
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
48
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
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 35
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 790
260 to 510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
22 to 25
Strength to Weight: Bending, points 25
21 to 22
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 23
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.050
0.42 to 0.5
Chromium (Cr), % 19 to 20.5
0 to 0.4
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
97.3 to 99.08
Manganese (Mn), % 2.0 to 4.0
0.5 to 0.8
Molybdenum (Mo), % 0.1 to 0.6
0 to 0.1
Nickel (Ni), % 0.8 to 1.5
0 to 0.4
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035