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EN 1.1191 Steel vs. N08926 Stainless Steel

Both EN 1.1191 steel and N08926 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 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 EN 1.1191 steel and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 17
40
Fatigue Strength, MPa 210 to 290
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Shear Strength, MPa 380 to 430
500
Tensile Strength: Ultimate (UTS), MPa 630 to 700
740
Tensile Strength: Yield (Proof), MPa 310 to 440
330

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.2
Embodied Energy, MJ/kg 19
84
Embodied Water, L/kg 47
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
240
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 21 to 22
22
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 20 to 22
16

Alloy Composition

Carbon (C), % 0.42 to 0.5
0 to 0.020
Chromium (Cr), % 0 to 0.4
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 97.3 to 99.08
41.7 to 50.4
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
6.0 to 7.0
Nickel (Ni), % 0 to 0.4
24 to 26
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010