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N08801 Stainless Steel vs. SAE-AISI 1020 Steel

Both N08801 stainless steel and SAE-AISI 1020 steel are iron alloys. They have 45% 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 N08801 stainless steel and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
17 to 28
Fatigue Strength, MPa 260
180 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 570
280
Tensile Strength: Ultimate (UTS), MPa 860
430 to 460
Tensile Strength: Yield (Proof), MPa 190
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
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 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
11
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
1.4
Embodied Energy, MJ/kg 79
18
Embodied Water, L/kg 200
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 92
150 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 30
15 to 16
Strength to Weight: Bending, points 25
16 to 17
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 20
13 to 14

Alloy Composition

Carbon (C), % 0 to 0.1
0.18 to 0.23
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.5 to 50.3
99.08 to 99.52
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Nickel (Ni), % 30 to 34
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0.75 to 1.5
0