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EN 1.5024 Steel vs. EN 1.7201 Steel

Both EN 1.5024 steel and EN 1.7201 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 1.5024 steel and the bottom bar is EN 1.7201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 470
130 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 670 to 1930
430 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 50
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 45
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 69
15 to 46
Strength to Weight: Bending, points 22 to 45
16 to 34
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 20 to 58
13 to 38

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.1 to 0.15
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.7 to 97.6
96.9 to 98.3
Manganese (Mn), % 0.5 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.5 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants