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EN 1.7218 Steel vs. EN 1.4606 Stainless Steel

Both EN 1.7218 steel and EN 1.4606 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 24 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 1.7218 steel and the bottom bar is EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 500 to 1550
600 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
910
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
14
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
6.0
Embodied Energy, MJ/kg 20
87
Embodied Water, L/kg 52
170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 55
21 to 36
Strength to Weight: Bending, points 18 to 38
20 to 28
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 15 to 46
21 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.22 to 0.29
0 to 0.080
Chromium (Cr), % 0.9 to 1.2
13 to 16
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.2 to 98.1
49.2 to 59
Manganese (Mn), % 0.6 to 0.9
1.0 to 2.0
Molybdenum (Mo), % 0.15 to 0.3
1.0 to 1.5
Nickel (Ni), % 0 to 0.3
24 to 27
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5