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EN 1.7117 Steel vs. EN 1.4864 Stainless Steel

Both EN 1.7117 steel and EN 1.4864 stainless steel are iron alloys. They have 50% 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 1.7117 steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
650

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
13
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.3
Embodied Energy, MJ/kg 21
75
Embodied Water, L/kg 51
180

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 69
23
Strength to Weight: Bending, points 22 to 44
21
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 20 to 58
17

Alloy Composition

Carbon (C), % 0.49 to 0.56
0 to 0.15
Chromium (Cr), % 0.7 to 1.0
15 to 17
Iron (Fe), % 95.2 to 96.4
41.7 to 51
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Nickel (Ni), % 0.5 to 0.7
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 1.2 to 1.5
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.015