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ACI-ASTM CB7Cu-1 Steel vs. EN 1.0258 Steel

Both ACI-ASTM CB7Cu-1 steel and EN 1.0258 steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.0258 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
23
Fatigue Strength, MPa 420 to 590
200
Impact Strength: V-Notched Charpy, J 34
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
490
Tensile Strength: Yield (Proof), MPa 760 to 1180
290

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
49
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
95
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
17
Strength to Weight: Bending, points 28 to 35
18
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 32 to 45
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.2
Chromium (Cr), % 15.5 to 17.7
0 to 0.3
Copper (Cu), % 2.5 to 3.2
0 to 0.3
Iron (Fe), % 72.3 to 78.4
96.9 to 100
Manganese (Mn), % 0 to 0.7
0 to 1.4
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 3.6 to 4.6
0 to 0.3
Niobium (Nb), % 0 to 0.35
0 to 0.010
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020