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EN 1.1181 Steel vs. N08811 Stainless Steel

Both EN 1.1181 steel and N08811 stainless steel are iron alloys. They have 46% 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 EN 1.1181 steel and the bottom bar is N08811 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
33
Fatigue Strength, MPa 190 to 260
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 350 to 390
340
Tensile Strength: Ultimate (UTS), MPa 560 to 620
510
Tensile Strength: Yield (Proof), MPa 280 to 380
190

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 42
12
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.3
Embodied Energy, MJ/kg 19
76
Embodied Water, L/kg 47
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 22
18
Strength to Weight: Bending, points 19 to 21
18
Thermal Diffusivity, mm2/s 11
3.0
Thermal Shock Resistance, points 19 to 21
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.32 to 0.39
0.060 to 0.1
Chromium (Cr), % 0 to 0.4
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97.4 to 99.18
39.5 to 50.6
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
30 to 35
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6