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EN 1.7218 Steel vs. S42300 Stainless Steel

Both EN 1.7218 steel and S42300 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7218 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 230
330
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 500 to 1550
1100

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
750
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.2
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 52
110

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 55
39
Strength to Weight: Bending, points 18 to 38
30
Thermal Diffusivity, mm2/s 12
6.8
Thermal Shock Resistance, points 15 to 46
40

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.22 to 0.29
0.27 to 0.32
Chromium (Cr), % 0.9 to 1.2
11 to 12
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.2 to 98.1
82 to 85.1
Manganese (Mn), % 0.6 to 0.9
1.0 to 1.4
Molybdenum (Mo), % 0.15 to 0.3
2.5 to 3.0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3