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EN 1.7117 Steel vs. EN 1.5023 Steel

Both EN 1.7117 steel and EN 1.5023 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7117 steel and the bottom bar is EN 1.5023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
570 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
1.9
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 51
45

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 69
21 to 67
Strength to Weight: Bending, points 22 to 44
20 to 43
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 20 to 58
17 to 56

Alloy Composition

Carbon (C), % 0.49 to 0.56
0.35 to 0.42
Chromium (Cr), % 0.7 to 1.0
0
Iron (Fe), % 95.2 to 96.4
96.9 to 97.7
Manganese (Mn), % 0.7 to 1.0
0.5 to 0.8
Nickel (Ni), % 0.5 to 0.7
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.2 to 1.5
1.5 to 1.8
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants