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EN 1.6587 Steel vs. ACI-ASTM CB7Cu-1 Steel

Both EN 1.6587 steel and ACI-ASTM CB7Cu-1 steel are iron alloys. They have 79% 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 1.6587 steel and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 220
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 520 to 1420
960 to 1350

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.6
Embodied Energy, MJ/kg 22
38
Embodied Water, L/kg 58
130

Common Calculations

PREN (Pitting Resistance) 2.6
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 50
34 to 48
Strength to Weight: Bending, points 18 to 36
28 to 35
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 15 to 42
32 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.15 to 0.21
0 to 0.070
Chromium (Cr), % 1.5 to 1.8
15.5 to 17.7
Copper (Cu), % 0 to 0.3
2.5 to 3.2
Iron (Fe), % 94.4 to 96.4
72.3 to 78.4
Manganese (Mn), % 0.5 to 0.9
0 to 0.7
Molybdenum (Mo), % 0.25 to 0.35
0
Nickel (Ni), % 1.4 to 1.7
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030