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EN 1.7720 Steel vs. EN 1.8153 Steel

Both EN 1.7720 steel and EN 1.8153 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7720 steel and the bottom bar is EN 1.8153 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 570
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 590
670 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.1
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.2
1.8
Embodied Energy, MJ/kg 30
25
Embodied Water, L/kg 51
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
24 to 74
Strength to Weight: Bending, points 20
22 to 46
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 17
20 to 62

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.56 to 0.64
Chromium (Cr), % 0.3 to 0.5
0.2 to 0.4
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.6 to 98.6
95.7 to 96.9
Manganese (Mn), % 0.4 to 0.7
0.7 to 1.0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.45
1.5 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0.22 to 0.3
0.1 to 0.2