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ACI-ASTM CB6 Steel vs. ACI-ASTM CT15C Steel

Both ACI-ASTM CB6 steel and ACI-ASTM CT15C steel are iron alloys. They have 67% 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 CB6 steel and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
23
Fatigue Strength, MPa 410
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 880
500
Tensile Strength: Yield (Proof), MPa 660
190

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 870
1080
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.5
6.1
Embodied Energy, MJ/kg 36
88
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
90
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
93
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 4.6
3.2
Thermal Shock Resistance, points 31
12

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.15
Chromium (Cr), % 15.5 to 17.5
19 to 21
Iron (Fe), % 74.4 to 81
40.3 to 49.2
Manganese (Mn), % 0 to 1.0
0.15 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 5.5
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030