High temperature fasteners, what do you know about them?

Fasteners They are one of the most important components required in almost every industry and every application. They are used to securely connect two components to each other. Various types of fasteners (also known as bolts) are used today. Each type has its own set of properties, functions, advantages and disadvantages. Depending on the application, choose the type of fastener. One such fastener is a high temperature fastener. As the name implies, these fasteners are specifically designed to withstand high temperatures. Do you know more about this type of fastener? This article is intended to give you information about these bolts.

What is the demand for high temperature fasteners?

Conventional metal fasteners tend to melt when the temperature exceeds four digits (i.e., 1000 °F or higher). At such high temperatures, these fasteners oxidize, which is essentially a faster form of corrosion and rust. Let us consider another example. A machine that uses ordinary metal fasteners. When the machine is heated above a certain temperature, the metal fasteners attached thereto expand and apply pressure to the holes into which they are driven. When the machine is not in use, it cools down, shrinking the metal fasteners and allowing them to loosen inside the holes. This is why special high temperature fasteners are introduced that can withstand the extreme stages of extreme high temperatures and effectively cool without damage.

What are the different types of alloys used to make high temperature fasteners?

High temperature fasteners are made from a selection of alloys that match the performance required for the fastener. The following are certain alloys that meet the conditions for use of these fasteners:

Nickel alloys: Some common nickel alloys are used in these fasteners, such as Inconel 600, 625 and 718. They have good oxidation resistance and can withstand temperatures from 1800°F to 2000°F. Stainless Steel 630: Excellent hardness, high strength and toughness make this alloy ideal for high temperature fasteners. Stainless steel 630 is made by cold working and low temperature aging.

Stainless Steels 309 and 310: The reason these two alloys are used for high temperature fasteners is that they have a higher chromium and nickel content than other alloys. Stainless steel 310 alloys are known to provide additional corrosion resistance in extreme environments.

A-286 alloy: This is an iron, nickel and chromium alloy. A-286 alloy has age hardenability and high strength. It has excellent oxidation resistance and can withstand temperatures up to 1300 °F.

What are the different types of these fasteners?

There are three basic types of these special fasteners, as follows: High Temperature Advanced Ceramic Fasteners Special High Temperature Metal Fasteners High Temperature Engineering Polymer Fasteners Based on the information in this article, we hope to be clear why these fasteners It is important in many applications. If you are looking for fasteners for products at high temperatures, you can choose these special types of bolts.