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EN 1.7117 Steel vs. EN 1.4872 Stainless Steel

Both EN 1.7117 steel and EN 1.4872 stainless steel are iron alloys. They have 61% 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 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
950

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 420
1150
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
17
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.5
3.3
Embodied Energy, MJ/kg 21
47
Embodied Water, L/kg 51
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24 to 69
35
Strength to Weight: Bending, points 22 to 44
28
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 20 to 58
21

Alloy Composition

Carbon (C), % 0.49 to 0.56
0.2 to 0.3
Chromium (Cr), % 0.7 to 1.0
24 to 26
Iron (Fe), % 95.2 to 96.4
54.2 to 61.6
Manganese (Mn), % 0.7 to 1.0
8.0 to 10
Nickel (Ni), % 0.5 to 0.7
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 1.2 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015