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EN 1.4523 Stainless Steel vs. EN 1.7027 Steel

Both EN 1.4523 stainless steel and EN 1.7027 steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4523 stainless steel and the bottom bar is EN 1.7027 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 520
490 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
45
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 130
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17 to 52
Strength to Weight: Bending, points 18
18 to 36
Thermal Diffusivity, mm2/s 5.8
12
Thermal Shock Resistance, points 18
14 to 43

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.050
Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 17.5 to 19
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 75.7 to 80.2
97.1 to 98.5
Manganese (Mn), % 0 to 0.5
0.6 to 0.9
Molybdenum (Mo), % 2.0 to 2.5
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0