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EN 1.1244 Steel vs. Titanium 6-7

EN 1.1244 steel belongs to the iron alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.1244 steel and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
45
Tensile Strength: Ultimate (UTS), MPa 730 to 770
1020

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
300
Melting Completion (Liquidus), °C 1450
1700
Melting Onset (Solidus), °C 1410
1650
Specific Heat Capacity, J/kg-K 470
520
Thermal Expansion, µm/m-K 12
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
75
Density, g/cm3 7.8
5.1
Embodied Carbon, kg CO2/kg material 1.4
34
Embodied Energy, MJ/kg 19
540
Embodied Water, L/kg 47
190

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 26 to 28
56
Strength to Weight: Bending, points 23 to 24
44
Thermal Shock Resistance, points 23 to 25
66

Alloy Composition

Aluminum (Al), % 0 to 0.050
5.5 to 6.5
Carbon (C), % 0.65 to 0.75
0 to 0.080
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 98.1 to 99.2
0 to 0.25
Manganese (Mn), % 0.8 to 1.1
0
Molybdenum (Mo), % 0
6.5 to 7.5
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0 to 0.0020
0 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88