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EN 1.7176 Steel vs. Titanium 6-7

EN 1.7176 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 1.7176 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 73
45
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
1020

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 420
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 13
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
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 50
190

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 24 to 71
56
Strength to Weight: Bending, points 22 to 45
44
Thermal Shock Resistance, points 20 to 59
66

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.52 to 0.59
0 to 0.080
Chromium (Cr), % 0.7 to 1.0
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 97 to 98.1
0 to 0.25
Manganese (Mn), % 0.7 to 1.0
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
0 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88