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Grade C-6 Titanium vs. EN 1.7228 Steel

Grade C-6 titanium belongs to the titanium alloys classification, while EN 1.7228 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade C-6 titanium and the bottom bar is EN 1.7228 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290
270
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 9.0
12
Fatigue Strength, MPa 460
390
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 890
900
Tensile Strength: Yield (Proof), MPa 830
630

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
420
Melting Completion (Liquidus), °C 1580
1460
Melting Onset (Solidus), °C 1530
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
46
Thermal Expansion, µm/m-K 9.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
1.5
Embodied Energy, MJ/kg 480
20
Embodied Water, L/kg 190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
100
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
32
Strength to Weight: Bending, points 46
26
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 63
26

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.1
0.46 to 0.54
Chromium (Cr), % 0
0.9 to 1.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
96.7 to 98
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
0
Residuals, % 0 to 0.4
0