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ACI-ASTM CC50 Steel vs. ASTM B817 Type I

ACI-ASTM CC50 steel belongs to the iron alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
340
Melting Completion (Liquidus), °C 1420
1600
Melting Onset (Solidus), °C 1370
1550
Specific Heat Capacity, J/kg-K 490
560
Thermal Conductivity, W/m-K 17
7.1
Thermal Expansion, µm/m-K 11
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
36
Density, g/cm3 7.6
4.4
Embodied Carbon, kg CO2/kg material 2.7
38
Embodied Energy, MJ/kg 39
610
Embodied Water, L/kg 170
200

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 16
48 to 60
Strength to Weight: Bending, points 17
42 to 49
Thermal Diffusivity, mm2/s 4.5
2.9
Thermal Shock Resistance, points 14
54 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.5
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Chromium (Cr), % 26 to 30
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.9 to 74
0 to 0.4
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 4.0
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 1.5
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4