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N08811 Stainless Steel vs. EN 1.8821 Steel

Both N08811 stainless steel and EN 1.8821 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 N08811 stainless steel and the bottom bar is EN 1.8821 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33
25
Fatigue Strength, MPa 150
280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
340
Tensile Strength: Ultimate (UTS), MPa 510
530
Tensile Strength: Yield (Proof), MPa 190
390

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
49
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
1.6
Embodied Energy, MJ/kg 76
21
Embodied Water, L/kg 200
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 94
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.0
13
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0.020 to 0.030
Carbon (C), % 0.060 to 0.1
0 to 0.14
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 39.5 to 50.6
96.8 to 99.98
Manganese (Mn), % 0 to 1.5
0 to 1.6
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 30 to 35
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.15 to 0.6
0 to 0.050
Vanadium (V), % 0
0 to 0.1