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ACI-ASTM CA28MWV Steel vs. ACI-ASTM CB6 Steel

Both ACI-ASTM CA28MWV steel and ACI-ASTM CB6 steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
18
Fatigue Strength, MPa 470
410
Poisson's Ratio 0.28
0.28
Reduction in Area, % 27
40
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 1080
880
Tensile Strength: Yield (Proof), MPa 870
660

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 740
870
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
17
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 44
36
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 17
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 30
26
Thermal Diffusivity, mm2/s 6.6
4.6
Thermal Shock Resistance, points 40
31

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.060
Chromium (Cr), % 11 to 12.5
15.5 to 17.5
Iron (Fe), % 81.4 to 85.8
74.4 to 81
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.5
Nickel (Ni), % 0.5 to 1.0
3.5 to 5.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0