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ASTM B817 Type II vs. ACI-ASTM CC50 Steel

ASTM B817 type II belongs to the titanium alloys classification, while ACI-ASTM CC50 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 900 to 960
430

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 350
1100
Melting Completion (Liquidus), °C 1580
1420
Melting Onset (Solidus), °C 1530
1370
Specific Heat Capacity, J/kg-K 550
490
Thermal Expansion, µm/m-K 9.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
14
Density, g/cm3 4.6
7.6
Embodied Carbon, kg CO2/kg material 40
2.7
Embodied Energy, MJ/kg 650
39
Embodied Water, L/kg 220
170

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
26
Strength to Weight: Axial, points 55 to 58
16
Strength to Weight: Bending, points 45 to 47
17
Thermal Shock Resistance, points 62 to 66
14

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.5
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
62.9 to 74
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 4.0
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.5
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Residuals, % 0 to 0.4
0