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EN 1.7201 Steel vs. EN 1.7160 Steel

Both EN 1.7201 steel and EN 1.7160 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7201 steel and the bottom bar is EN 1.7160 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 160
140 to 170
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 430 to 1300
470 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 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
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 8.3
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
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 46
17 to 49
Strength to Weight: Bending, points 16 to 34
17 to 35
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 13 to 38
14 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.1 to 0.15
0.14 to 0.19
Chromium (Cr), % 0.9 to 1.2
0.8 to 1.1
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 96.9 to 98.3
96.8 to 98.1
Manganese (Mn), % 0.6 to 0.9
1.0 to 1.3
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants