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EN 1.5023 Steel vs. EN 1.7117 Steel

Both EN 1.5023 steel and EN 1.7117 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 1.5023 steel and the bottom bar is EN 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
200 to 480
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 570 to 1860
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 400
420
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 48
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants