Stainless steel is one of the most commonly used materials in the machinery and tool industry. It is a popular choice because it offers several desirable properties that make it an ideal material for manufacturing a variety of parts.
There are a wide variety of grades available, each with unique performance characteristics. Selecting the right grade for your part and optimizing the machining process can improve or hinder its success.
Stainless steel is one of the most commonly used metals in the Machinery And Tool Industry for its corrosion resistance. The material is made up of chromium, iron and sometimes other alloying elements like nickel and molybdenum.
The chromium prevents the formation of rust by creating a film on the surface that limits oxygen and water access to the underlying metal. This protective film is called a passivation layer.
It is a thin (about 5 nanometers) oxide layer that acts as a barrier against further corrosion and is also impervious to water. This passive film is what makes stainless steel resistant to rust.
There are many different types of stainless steel grades to choose from, so it’s important to select the right one for your application. Some of the most common options include 304, 316 and 430 stainless steel. Generally, the higher the chromium content, the more resistant it will be to corrosion.
Stainless steel is a versatile material used in a wide range of industrial applications. It is commonly used in cookware, major appliances, automotive components, and chemical processing equipment.
Besides being highly corrosion resistant, stainless steel also has a high strength. This is mainly because it contains high amounts of chromium.
When added to carbon steel in percentages greater than 11%, chromium prevents the iron from oxidation and improves its hardenability, toughness, and tensile strength.
Another important factor is the addition of molybdenum, which increases the corrosion resistance and toughness of a stainless steel.
In addition to its high strength, stainless steel is also extremely durable and machinable. But, it is important to choose the right stainless steel for the specific application.
The durability of stainless steel is one of its most attractive attributes. Its ability to withstand the elements and resist corrosion make it a common material used in many industries.
Stainless steel’s corrosion resistance comes from the chromium oxide barrier that forms as soon as the alloy is exposed to oxygen. The chromium layer is self-renewing, so it will quickly replace the damage caused by oxygen.
For machine shops, this corrosion resistance can present some challenges, however. Machinists can expect to deal with issues like built-up edge (Bue) and chip control when machining this type of material.
The Machinery And Tool Industry uses different types of stainless steel. They use this metal to make products that need extra durability and rust resistance.
The machining of stainless steel requires expertise and top-notch tools. It also takes more time to process compared to other materials.
To overcome the machining challenges of stainless steel, shops need to identify the proper material grade for each part and optimize running parameters. This can improve their overall performance, reduce part costs, achieve closer tolerances, machine more difficult parts, run work problem-free for long periods, and deliver on time.
The most common grades are 304 and 316, both of which have similar machinability characteristics. Adding to these grades certain alloying elements, such as sulfur, selenium, lead, carbon, copper, aluminum, or phosphorus, can boost machinability.