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N08811 Stainless Steel vs. SAE-AISI 1021 Steel

Both N08811 stainless steel and SAE-AISI 1021 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 SAE-AISI 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33
17 to 27
Fatigue Strength, MPa 150
190 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
310 to 320
Tensile Strength: Ultimate (UTS), MPa 510
480 to 530
Tensile Strength: Yield (Proof), MPa 190
260 to 450

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
52
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
1.4
Embodied Energy, MJ/kg 76
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 94
180 to 530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
17 to 19
Strength to Weight: Bending, points 18
17 to 18
Thermal Diffusivity, mm2/s 3.0
14
Thermal Shock Resistance, points 13
15 to 17

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0.18 to 0.23
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 39.5 to 50.6
98.8 to 99.22
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Nickel (Ni), % 30 to 35
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0.15 to 0.6
0