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Exploring Titanium Fasteners: Benefits and Industrial Uses

This article provides an in-depth look at titanium fasteners, highlighting their significant properties such as lightweight strength and exceptional corrosion resistance. Discover how these characteristics make titanium fasteners a preferred choice in critical industries like aerospace and medical. The guide also covers the various grades of titanium used for fasteners, their specific benefits, and typical applications across different sectors.

Understanding Titanium Fasteners 

Titanium fasteners are built using Titanium alloy, which shows outstanding mechanical properties at sub-zero and elevated temperatures. Besides, titanium fasteners reduce the weight of the assembly, providing the same strength as steel fasteners. 

That’s why they are essential in applications where slight weight differences make a huge impact, such as aerospace or aviation industries. 

Titanium fasteners

Titanium fasteners come in various grades, and every grade has its unique properties. Titanium alloy nuts show extraordinary corrosion resistance in a number of the process streams and stay non-magnetic even if you severely hard work them.  

Titanium fasteners have machinability characteristics similar to stainless steel fasteners. But they need more power, higher integrity, and lower speed because of their high work hardening rate. 

You would see titanium screws in Boat Shafts, Pump Shafts, Heat Exchangers, Pressure Vessel, Marine, Petroleum, and many other applications.

Titanium alloys show excellent characteristics when it comes to shielding the application against corrosion. That’s why sectors like Nuclear, Marine, Petroleum, Textile, Chemicals, Food processing units, Pulp and paper, and many other industries use titanium fasteners. 

Titanium fasteners have increased chromium to protect the application from corrosion and at the same time possess twice as much yield strength as stainless steel fasteners at the same room temperature. titanium fasteners 1

The Specifications Of Titanium Fasteners

Here are some of the unique features of titanium fasteners: 

  • Outstanding weight to strength ratio
  • Practically inert to chlorine, chloride, and seawater. 
  • Strong, corrosion-resistant, and lightweight
Saltwater Resistant

Titanium bolts and screws have a remarkable ability to rapidly regrow the passive protective layer while surrounded by oxygen. As a result, they are unparallel when it comes to using salt water. Here are some features why you should use titanium fasteners in saltwater: 

Titanium fasteners are corrosion resistant

Chloride, Chlorine & Other Media

Like saltwater, titanium’s robust and protective oxide film that regenerates in oxygen makes it highly resistant to oxidizing environments. Also resistant to chlorides solutions, including hypochlorites, chlorates, perchlorates, sodium chlorite, and chlorine dioxide. 

Chemical Specifications 

Here is the chemical specification of titanium fasteners: 

Grade 2 TitaniumTiFeOCNH
Max Bal.30%.25%.08%.03%.015%
Grade 5 TitaniumTiAlVFeOCNH
Max Bal6.75%4.5%.30%.20%.08%.05%.015%
Grade 2 TitaniumTiFePdOCNH
Max Bal.30%.25%.25%.08%.03%.015%

titanium fasteners 2

Types Of Titanium Fasteners

Here are the available types of titanium fasteners: 
  • Bolts 
  • Nuts 
  • Washers 
  • Screws 
  • Anchor Fasteners
  • Threaded rods

Common Surfaces Of Titanium Fasteners

When you form a coating on the surface of a workpiece, that is called surface treatment. The purpose of using materials and various surface treatment methods is to make the titanium fasteners more durable. 

Here are the methods and chemicals you will see in titanium fasteners: 


In this process, the electroplated component is mixed in an aqueous solution. The solution contains the compound, and you should pass electricity through that solution to deposit the electroplating solution on the metal object. 

In most cases, this process involves copper, galvanizing, copper-nickel alloy, chromium, etc. Sometimes you would see phosphating, black boiled, and similar kinds of chemicals. 


In this method, you have to submerge the titanium member in a molten zinc plating bath, maintaining the 810 degrees Celsius temperature.. 

titanium fasteners 3Sandblasting 

In this process, white corundum is generally used for titanium fasteners metal coating. The pressure stays 0.45 Mpa. 


Acid pickling is a quick method to remove the surface reaction layer. As a result, the surface will not produce pollution from another element. You can use both HF-HNO3 and HF-HCL acid pickling solution over titanium. 

Mechanical Properties Of Titanium Fasteners

Mechanical Properties 
Tensile Data for Titanium Grade 2 
Temperature Yield Strength at Ultimate tensile at .2% offsetElongation 
Room Temperature70 ksi50 ksi28 %
212 °F56 ksi37 ksi31 %
392 °F41 ksi28 ksi37 %
572 °F33 ksi18 ksi43 %
752 °F27 ksi13 ksi38 %
842 °F26 ksi11 ksi34 % 
Tensile Data for Titanium Grade 5 titanium fasteners 4
Temperature Yield Strength at Ultimate tensile at .2% offsetElongation 
Room Temperature138 ksi128 ksi14 %
300 °F121 ksi105 ksi16 %
500 °F110 ksi93 ksi17 %
700 °F100 ksi82 ksi18 %
Tensile Data for Titanium Grade 7 
Temperature Yield Strength at Ultimate tensile at .2% offsetElongation 
Room Temperature50 ksi40 ksi20 %
200 °F57 ksi40 ksi28 %
400 °F41 ksi24 ksi41 %
600 °F32 ksi15 ksi38 %

"Grade" In Titanium Fasteners

titanium fasteners 5

Titanium is a new addition in the fasteners industry and growing in popularity day by day. If you need to use titanium fasteners, at first, it seems quite easy to pick one. However, that is not the case as there are several options with different chemical specifications. 

Let’s look at the differences in brief: 

Grade 2 titanium

Grade 2 is the most common type and is widely used in the fasteners industry. Grade 2 titanium contains 99% titanium and is famous for commercially pure titanium. 

Grade 2 titanium has outstanding corrosion resistance capability. As a result, they are widely used. You need corrosion resistance properties such as saltwater/seawater. Furthermore, they are also resistant to other chemicals such as acid solutions, chloride. 

They are very lightweight, and you can use them in applications where weight minimizing is very crucial. 

Grade 2 Titanium

Grade 5 titanium

This type of titanium has additional strength. It contains 90% titanium and other chemicals such as vanadium, aluminum, etc. As a result, they are twice stronger than steel fasteners with the same corrosion-resistant capability of grade two.  

Grade 7 titanium

You won’t see grade 7 titanium so often in the fasteners industry as the other two grades mentioned earlier. Grade 7 has increased corrosion resistance. This grade has .15% palladium, and that increases the corrosion resistance capability. 

As a result, you should use grade 7 titanium fasteners where the risk of chemical corrosion is exceptionally high. 

Grade 7 Titanium

Grade 23 titanium

Grade 23 titanium has improved mechanical features and can work even at cryogenic temperatures −150 °C (−238 °F) to absolute zero (−273 °C or −460 °F). This titanium is less likely to crack or suffer from fatigue. This grade is ideal for extreme weather conditions such as the aerospace industry. 

So, next time before buying titanium fasteners, you should know the grade of titanium you will need for your application. 

Benefits Of Using Titanium Fasteners

Here are some of the benefits of using titanium fasteners. 

Strength to Weight Ratio 

It has a density of  4.51gram per cubic meter, lower than copper, nickel, and steel. But the strength of titanium is higher than all of those metals. As a result, fasteners built with titanium are solid and light. 

Can Work Under Any Temperature 

When it comes to tackling temperature, no other metal can withstand titanium. Titanium fasteners can work under the lowest (absolute zero) temperature. And if you have any application that works at 600 degrees C, titanium can also handle that. titanium fasteners 6

Magnet and Toxicity Preventive 

Titanium is a non-magnetic material, and you can be assured that even a high magnetic field can not magnetize titanium. Besides, they are not harmful for the human body. 

Resistant to Damping 

It has less damping time than other metal fasteners and you can use them in vibrating applications. 

Outstanding Corrosion Resistance

They are highly corrosion resistant and you can use them in those environments where the chances are correios is higher. 

Industries Dependent On Titanium Fasteners

Titanium fasteners are becoming more and more popular these days, and several industries badly need titanium fasteners. Here are some of the sectors that need titanium fasteners for their applications:

Nuclear Industry

In nuclear reactor titanium, titanium alloys are mediatory. As a result, they need a number of titanium fasteners. 

Nuclear reactors need titanium fasteners

Medical Industry

As a biophilic metal, titanium, the medical industry is widely dependent on titanium fasteners. They are used in various medical devices used in the body. 

Electronic Equipment

Mobile phone and computer companies used to use steel fasteners in the past. BUt mobile phones and computers deal with electricity, and electricity creates a magnetic field. Steel fasteners are vulnerable to magnetic fields and disturb the signal of the network. 

On the other hand, titanium is immune to a magnet. Therefore, they last long and provide unhampered network signals. 

Aerospace Industry

The Aerospace industry largely depends on titanium fasteners. Titanium fasteners are stronger than steel and also lightweight. The strength-to-weight ratio has a high impact in the aerospace industry. 

Aerospace industry depend of titanium fasteners

Furthermore, titanium alloys aren’t attracted by magnets and come with excellent elastic properties. As a package, titanium and titanium alloy is the best you can get for aerospace, industrial applications. 

Titanium Fasteners Stronger Than Steel Fasteners

Titanium becomes dramatically stronger when alloyed with vanadium, aluminum, and some other materials. Stronger than many plates of steel. If you consider the sheer strength, titanium alloys will easily defeat any medium to low-grade stainless steel. 

However, titanium is less strong than the highest grade steel. But if you consider other properties than titanium fasteners have many advantages that you can not achieve from steel.

The Value of Titanium Fasteners

Titanium fasteners may be pricier than steel or other metal fasteners, but they can give you those advantages that no other metal can. So, yes, if you think of longevity and best performance, titanium fasteners are definitely worth it. 


Titanium fasteners are relatively new in the industry, but they come with some unique characteristics that many other metals don’t have. But it would help if you were careful about which grade of titanium fasteners you need. You also should pick your titanium fasteners manufacturer carefully. Because the product quality always depends on the experience and skill of the manufacturer.

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