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ACI-ASTM CB7Cu-2 Steel vs. ASTM A182 Grade F3VCb

Both ACI-ASTM CB7Cu-2 steel and ASTM A182 grade F3VCb are iron alloys. They have 80% 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 F3VCb.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
21
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
670
Tensile Strength: Yield (Proof), MPa 760 to 1180
460

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
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 2.1
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 38
33
Embodied Water, L/kg 130
64

Common Calculations

PREN (Pitting Resistance) 15
6.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
24
Strength to Weight: Bending, points 28 to 35
22
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 32 to 45
19

Alloy Composition

Calcium (Ca), % 0
0.00050 to 0.015
Carbon (C), % 0 to 0.070
0.1 to 0.15
Chromium (Cr), % 14 to 15.5
2.7 to 3.3
Copper (Cu), % 2.5 to 3.2
0 to 0.25
Iron (Fe), % 73.6 to 79
93.8 to 95.8
Manganese (Mn), % 0 to 0.7
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 4.5 to 5.5
0 to 0.25
Niobium (Nb), % 0 to 0.35
0.015 to 0.070
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3