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Titanium - Materials - Technical Information - Hobby and Engineering
Titanium
MBA 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 & Engineering Supplies 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 | ||||
| N | C | H | FE | O |
| 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 | ||||||
| N | C | H | FE | O | AL | V |
| 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 |
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