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Grade 4 Titanium vs. AWS E316LMn

Grade 4 titanium belongs to the titanium alloys classification, while AWS E316LMn belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 4 titanium and the bottom bar is AWS E316LMn.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
23
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 640
620

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1370
Specific Heat Capacity, J/kg-K 540
470
Thermal Expansion, µm/m-K 9.4
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
4.6
Embodied Energy, MJ/kg 500
64
Embodied Water, L/kg 110
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 37
20
Thermal Shock Resistance, points 46
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0
0 to 0.75
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
47.5 to 59.4
Manganese (Mn), % 0
5.0 to 8.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
15 to 18
Nitrogen (N), % 0 to 0.050
0.1 to 0.25
Oxygen (O), % 0 to 0.4
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.6 to 100
0
Residuals, % 0 to 0.4
0