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Titanium - Materials - Technical


HES Products made from this material
Hex Head Flanged Screws (Grade 5 - 6AL-4V)
Nuts, Screws, Washers (Grade 1)

Titanium is a metalic element. It is light, strong and corrosion resistant. It has very good corrosion resistance to seawater and chlorine. Titanium can be alloyed with other elements such as iron, aluminium, vanadium, molybdenum and others, to produce strong lightweight alloys.

The main two types of titanium offered by Hobby and Engineering Supplies Online are Grade 5 Alloy containing approximately 6% aluminium and 4% vanadium, and commercially pure Grade 1 which contains very few impurities. There are many grades of titanium but we will only deal here with the two main grades that we offer.

Grade 1 Commercial Pure Titanium

Commercially pure titanium is approx 40% lighter than steel but still has a high strength. It is an excellent choice for applications requiring good corrosion resistance.

The main component is Ti (Titanium) with the additional elements shown in the following chart

Max. % Chemical Composition
0.03 0.08 0.015 0.2 0.18

Properties of Grade 1 Commercial Pure Titanium
Tensile Strength kgf/mm2 Yield Strength kgf/mm2 Elongation % (min)
24.6 17.6 24

Corrosion Resistance of Commercial Pure Titanium
Chemical Concentration % TemperatureoC mm/year
Hydrochloric Acid 10 24 <0.51
Hydrochloric Acid 30 24 >1.27
Hydrochloric Acid 10 80 >1.27
Sulfuric Acid 10 24 0.51 - 1.27
Sulfuric Acid 50 24 >1.27
Nitric Acid 10 24 <0.051
Nitric Acid 50 24 <0.051
Nitric Acid 50 100 <0.051
Ferric Chloride 10 24 <0.051
Ferric Chloride 30 24 <0.051
Ferric Chloride 30 100 <0.051
Ammonia 10 24 <0.051
Ammonia 30 24 <0.051
Ammonia 10 80 <0.051
Ammonia 30 80 <0.051
Caustic Soda 10 24 <0.051
Caustic Soda 50 24 <0.051
Caustic Soda 10 100 <0.051
Caustic Soda 50 100 <0.51
Seawater Rapid Flow 24 <0.051
Seawater Still 100 <0.051 (Some pitting may occur)
Hydrochloric Acid 10 24 <0.51
Formic Acid 10 24 <0.51
Formic Acid 50 24 <0.51
Formic Acid 10 100 <0.51
Formic Acid 30 100 >1.27

Grade 5 Titanium Alloy 6AL4V

Grade 5 alloy is a high grade titanium offering very high strength and corrosion resistance.

The main component is Ti (Titanium) with the additional elements shown in the following chart

Max. % Chemical Composition
0.05 0.08 0.015 0.4 0.2 5.5 - 6.75 3.5 - 4.5

Properties of Grade 5 Titanium Alloy 6AL4V
Tensile Strength kgf/mm2 Yield Strength kgf/mm2 Elongation % (min)
91.5 84.5 10

You can find titanium items in the Hobby and Engineering Supplies Tungsten Carbide Online Catalogue pages.

For a huge range of bearings online please visit the Bearing Shop Online Website.

The Small Parts and Bearings has a much larger range of engineering supplies.

For the best range of miniature and small bearings please try the Miniature Bearings Australia website. Miniature Bearings Australia also list a large variety of miniature engineering products.

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