MakeItFrom.com
Menu (ESC)

ACI-ASTM CF20 Steel vs. ACI-ASTM CB6 Steel

Both ACI-ASTM CF20 steel and ACI-ASTM CB6 steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF20 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, % 50
18
Fatigue Strength, MPa 240
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 530
880
Tensile Strength: Yield (Proof), MPa 250
660

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 970
870
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
12
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 44
36
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 11
31

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.060
Chromium (Cr), % 18 to 21
15.5 to 17.5
Iron (Fe), % 64.2 to 74
74.4 to 81
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 8.0 to 11
3.5 to 5.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030