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ACI-ASTM CB7Cu-2 Steel vs. SAE-AISI 1086 Steel

Both ACI-ASTM CB7Cu-2 steel and SAE-AISI 1086 steel are iron alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-2 steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
11
Fatigue Strength, MPa 420 to 590
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
760 to 870
Tensile Strength: Yield (Proof), MPa 760 to 1180
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
50
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
27 to 31
Strength to Weight: Bending, points 28 to 35
24 to 26
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 32 to 45
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.070
0.8 to 0.93
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 73.6 to 79
98.5 to 98.9
Manganese (Mn), % 0 to 0.7
0.3 to 0.5
Nickel (Ni), % 4.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050