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EN 1.7243 Steel vs. EN 1.4523 Stainless Steel

Both EN 1.7243 steel and EN 1.4523 stainless 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 1.7243 steel and the bottom bar is EN 1.4523 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 480 to 1390
520

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
920
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
22
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 20
40
Embodied Water, L/kg 51
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 49
18
Strength to Weight: Bending, points 17 to 35
18
Thermal Diffusivity, mm2/s 12
5.8
Thermal Shock Resistance, points 14 to 41
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.15 to 0.21
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
17.5 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.8 to 98.2
75.7 to 80.2
Manganese (Mn), % 0.6 to 0.9
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
2.0 to 2.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0.15 to 0.35
Titanium (Ti), % 0
0.15 to 0.8