How to Prevent Localised Corrosion of Stainless Steel?
After talking about general corrosion in our previous blog post, today we would like to focus on another type of corrosion. In the specific, we shall treat, about localised corrosion. What is localised corrosion? Contrary to general corrosion, the localised corrosion only occur on certain parts of the metal surface. So, only locally. This corrosion […]
Stainless Steel. How to Prevent General Corrosion?
In regards to metallic materials, we often speak of corrosion. Today, we will focus on its mechanisms, its characteristics and the prevention methods we can implement. What is general corrosion? We speak about general corrosion (or uniform corrosion) when all surfarces of a metal (or a large area) are exposed to an aggressive environment. By […]
What Is the Carburizing Process for Steels? Well, Find Out!
In the post published on Tuesday, we looked at the annealing treatmentfor austenitic and duplex steels. Today we want to talk about that carburizing process which, depending on the application, change the properties of components. What is the carburizing process? The carburizing processi is a diffusion heat-treatment that allows a mechanical component of steel with […]
What Is the Annealing Treatment for Austenitic Steels?
Heat-treated steel is subject to more or less complex cycles of heating, maintaining and cooling to defined temperatures. After talking in the previous posts of steel hardening, today we will examine another heat treatment: the annealing. What is the annealing heat-treatment for stainless steels? The process of annealing (intended for austenitic steel, both stainless and […]
What Are the Tempering and Hardening of Hardened Steel?
The hardened steel has low resistance, in addition to an high hardness. Therefore, the hardened steel would be too fragile for most uses. What should you do? Tempering of hardened steel After hardening, it is essential to use the tempering treatment, as it is fundamental to undo any tensions and fragility. How does this kind […]
What Is the Hardening Heat-Treatment Process of Steels?
Hardening heat-treatment process is carried out on different types of metal alloys, especially steel. This treatment is fundamental to increase the hardness of the steel itself. What are the hardening heat treatment phases? To be considered hardenable, the steel must contain a good percentage of carbon and certain alloy elements, such as chromium, nickel and […]
What Are the Problems That May Occur in Hydrogen Embrittlement?
In today post we want to talk about the hydrogen embrittlement. This chemical-physical process affects different metals, including right steels, more specifically those with high-resistance. How does the hydrogen embrittlement take place? This type of process is the result of the āundesirableā introduction of hydrogen within the steel which can take place during This mechanism […]
Silicon, Titanium and Vanadium. How Do They Affect Properties of Steel?
How do the properties of steel change when certain chemicals are added during their preparation? Titanium, silicon and vanadium are just a few of these elements we will cover today. Silicon: a semiconductor Silicon (Si) is a tetravalent metalloid and semiconductor. This element is always associated with iron and is used as a constituent in […]
How Molybdenum, Nitrogen and Nickel Affects Steel Properties?
After speaking about aluminum, manganese, chromium and copper, in today post we will further focus our attention on three other alloying elements (molybdenum, nitrogen and nickel). And, most importantly, how each of them influences steel properties. Molybdenum: a transition metal Molybdenum (symbol Mo) is considered a transition metal thanks to its atomic number 42 on […]
How Do the Alloying Elements Affect Properties of Steels?
Aluminum, chromium, manganese, molybdenum. What is the role of the alloying elements on the properties of steels? When and why are they used? Aluminum and Chromium. Why are they used? ALUMINUM During the preparation of the steel, aluminum (Al) is used both as of the metal grain, for all those fine-grained steels. CHROMIUM Chromium (Cr), […]