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ACI-ASTM CB7Cu-2 Steel vs. ASTM A182 Grade F23

Both ACI-ASTM CB7Cu-2 steel and ASTM A182 grade F23 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 (3, 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 ASTM A182 grade F23.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
22
Fatigue Strength, MPa 420 to 590
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
570
Tensile Strength: Yield (Proof), MPa 760 to 1180
460

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.5
Embodied Energy, MJ/kg 38
36
Embodied Water, L/kg 130
59

Common Calculations

PREN (Pitting Resistance) 15
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
20
Strength to Weight: Bending, points 28 to 35
19
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 32 to 45
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.070
0.040 to 0.1
Chromium (Cr), % 14 to 15.5
1.9 to 2.6
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 73.6 to 79
93.2 to 96.2
Manganese (Mn), % 0 to 0.7
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Nickel (Ni), % 4.5 to 5.5
0 to 0.4
Niobium (Nb), % 0 to 0.35
0.020 to 0.080
Nitrogen (N), % 0 to 0.050
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3