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EN 1.3566 Steel vs. AISI 304 Stainless Steel

Both EN 1.3566 steel and AISI 304 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3566 steel and the bottom bar is AISI 304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 220
170 to 360
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 490 to 1380
580 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
710
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 52
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 49
21 to 42
Strength to Weight: Bending, points 17 to 35
20 to 32
Thermal Diffusivity, mm2/s 12
4.2
Thermal Shock Resistance, points 14 to 40
12 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.12 to 0.18
0 to 0.080
Chromium (Cr), % 0.9 to 1.2
18 to 20
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.8 to 98.4
66.5 to 74
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants