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Titanium 6-7 vs. EN 1.0558 Cast Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.0558 cast steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.0558 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
18
Fatigue Strength, MPa 530
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
73
Tensile Strength: Ultimate (UTS), MPa 1020
640
Tensile Strength: Yield (Proof), MPa 900
340

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 300
400
Melting Completion (Liquidus), °C 1700
1470
Melting Onset (Solidus), °C 1650
1430
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.7
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
1.4
Embodied Energy, MJ/kg 540
18
Embodied Water, L/kg 190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
99
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
22
Strength to Weight: Bending, points 44
21
Thermal Shock Resistance, points 66
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
99.935 to 100
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0