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ASTM Grade LC9 Steel vs. ACI-ASTM CB6 Steel

Both ASTM grade LC9 steel and ACI-ASTM CB6 steel are iron alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC9 steel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
18
Fatigue Strength, MPa 420
410
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34
40
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 660
880
Tensile Strength: Yield (Proof), MPa 590
660

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 430
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
12
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.5
Embodied Energy, MJ/kg 31
36
Embodied Water, L/kg 65
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
150
Resilience: Unit (Modulus of Resilience), kJ/m3 920
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
32
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 20
31

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.060
Chromium (Cr), % 0 to 0.5
15.5 to 17.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.4 to 91.5
74.4 to 81
Manganese (Mn), % 0 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 8.5 to 10
3.5 to 5.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.030
Vanadium (V), % 0 to 0.030
0