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EN 1.7240 Steel vs. EN 1.7014 Steel

Both EN 1.7240 steel and EN 1.7014 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7240 steel and the bottom bar is EN 1.7014 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 670 to 1990
460 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 71
16 to 49
Strength to Weight: Bending, points 22 to 45
17 to 35
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 20 to 59
13 to 41

Alloy Composition

Carbon (C), % 0.56 to 0.64
0.14 to 0.2
Chromium (Cr), % 0.7 to 1.0
0.7 to 1.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.7 to 97.9
97.3 to 98.5
Manganese (Mn), % 0.7 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.025
0.020 to 0.040

Comparable Variants