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EN 1.7106 Steel vs. EN 1.4418 Stainless Steel

Both EN 1.7106 steel and EN 1.4418 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 24 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 1.7106 steel and the bottom bar is EN 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 660 to 2020
860 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Mechanical, °C 410
870
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
39
Embodied Water, L/kg 47
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 73
31 to 36
Strength to Weight: Bending, points 22 to 46
26 to 28
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 20 to 61
31 to 36

Alloy Composition

Carbon (C), % 0.52 to 0.6
0 to 0.060
Chromium (Cr), % 0.2 to 0.45
15 to 17
Iron (Fe), % 95.9 to 97
73.2 to 80.2
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.5
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.6 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015

Comparable Variants