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EN 1.7241 Steel vs. EN 1.3570 Steel

Both EN 1.7241 steel and EN 1.3570 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7241 steel and the bottom bar is EN 1.3570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
150 to 220
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 660 to 1990
490 to 1440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
46
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 2.5
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 71
17 to 51
Strength to Weight: Bending, points 21 to 45
18 to 36
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 19 to 59
14 to 42

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.56 to 0.64
0.17 to 0.23
Chromium (Cr), % 0.7 to 1.0
0.4 to 0.75
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.6 to 97.8
97.1 to 98.9
Manganese (Mn), % 0.7 to 1.0
0.65 to 1.1
Molybdenum (Mo), % 0.25 to 0.35
0.1 to 0.2
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants