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EN 1.7218 Steel vs. EN 1.4823 Stainless Steel

Both EN 1.7218 steel and EN 1.4823 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 24 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 1.7218 steel and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 500 to 1550
620

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 44
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
16
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 52
170

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 18 to 55
23
Strength to Weight: Bending, points 18 to 38
21
Thermal Diffusivity, mm2/s 12
4.5
Thermal Shock Resistance, points 15 to 46
17

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.22 to 0.29
0.3 to 0.5
Chromium (Cr), % 0.9 to 1.2
25 to 28
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.2 to 98.1
60.9 to 70.7
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.5
Nickel (Ni), % 0 to 0.3
3.0 to 6.0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.035
0 to 0.030