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ACI-ASTM CB6 Steel vs. ASTM B817 Type II

ACI-ASTM CB6 steel belongs to the iron alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB6 steel and the bottom bar is ASTM B817 type II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 18
3.0 to 13
Fatigue Strength, MPa 410
390 to 530
Poisson's Ratio 0.28
0.32
Reduction in Area, % 40
4.0 to 13
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 880
900 to 960
Tensile Strength: Yield (Proof), MPa 660
780 to 900

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 870
350
Melting Completion (Liquidus), °C 1440
1580
Melting Onset (Solidus), °C 1390
1530
Specific Heat Capacity, J/kg-K 480
550
Thermal Expansion, µm/m-K 10
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
37
Density, g/cm3 7.8
4.6
Embodied Carbon, kg CO2/kg material 2.5
40
Embodied Energy, MJ/kg 36
650
Embodied Water, L/kg 130
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
26 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
2890 to 3890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
34
Strength to Weight: Axial, points 32
55 to 58
Strength to Weight: Bending, points 26
45 to 47
Thermal Shock Resistance, points 31
62 to 66

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.0
Carbon (C), % 0 to 0.060
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 74.4 to 81
0.35 to 1.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
82.1 to 87.8
Vanadium (V), % 0
5.0 to 6.0
Residuals, % 0
0 to 0.4