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ACI-ASTM CB7Cu-1 Steel vs. EN 1.6554 Steel

Both ACI-ASTM CB7Cu-1 steel and EN 1.6554 steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
230 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
17 to 21
Fatigue Strength, MPa 420 to 590
380 to 520
Impact Strength: V-Notched Charpy, J 34
30 to 45
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
780 to 930
Tensile Strength: Yield (Proof), MPa 760 to 1180
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 38
22
Embodied Water, L/kg 130
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
27 to 33
Strength to Weight: Bending, points 28 to 35
24 to 27
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 32 to 45
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.070
0.23 to 0.28
Chromium (Cr), % 15.5 to 17.7
0.7 to 0.9
Copper (Cu), % 2.5 to 3.2
0 to 0.3
Iron (Fe), % 72.3 to 78.4
94.6 to 97.3
Manganese (Mn), % 0 to 0.7
0.6 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 3.6 to 4.6
1.0 to 2.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0 to 0.030

Comparable Variants