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EN 1.5024 Steel vs. EN 1.7106 Steel

Both EN 1.5024 steel and EN 1.7106 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5024 steel and the bottom bar is EN 1.7106 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 470
200 to 500
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 670 to 1930
660 to 2020

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 50
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.1
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 45
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 69
24 to 73
Strength to Weight: Bending, points 22 to 45
22 to 46
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 20 to 58
20 to 61

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.52 to 0.6
Chromium (Cr), % 0
0.2 to 0.45
Iron (Fe), % 96.7 to 97.6
95.9 to 97
Manganese (Mn), % 0.5 to 0.8
0.7 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.5 to 2.0
1.6 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants