Heat Exchanger

What Is Alloy Steel?

Alloy steel is mixed with a number of alloying elements such as silicon, chromium, molybdenum, boron, vanadium, nickel, aluminum, etc. These alloying elements increase the strength, toughness, hardness, and wear resistance of the alloy steel. Some of the alloying elements and their effects are shown below.

Cobalt: Improves the hardness, Increases wear resistance and toughness.
Manganese: Strengthens surface hardness, hammering, and shocks, enhances resistance to strain
Chromium: Improves toughness and wear resistance, and increases hardness.
Molybdenum: Increases resistance to heat and shock, and improves strength.
Nickel: Enhances strength and toughness, and increases corrosion resistance.
Vanadium: Improves strength, enhances sock and corrosion resistance, grows toughness
Tungsten: Improves strength and toughness, enhances corrosion resistance
Chromium-Vanadium: Greatly enhanced tensile strength which makes alloy hard but easy to bend and cut.

Alloy Steel Pipe

Alloy Steel Pipe is used in applications which require moderate corrosion resistance properties with good durability and at an economical cost. To simply put it, alloy pipes are preferred in those areas where carbon steel pipes may fail.

Types of Alloy Steel

Alloy steel is the combination of steel with a number of elements to get unique characteristics and properties. It has two types based on the weight of elements used to form the alloy steel that ranges from 1% to 50%. The flowing will mention two groups of alloy steel.

High-Alloy Steel: It has a high percentage of alloying elements. The most common type of high alloy steel is stainless steel which contains up to 12% of chromium. Chromium makes a thin oxide layer outside of the steel which is known as the latent layer. The big number of chromium provides extended protection from erosion. This type of alloy is a little costly than low alloy steel. Thus, it is mainly used in automobiles and industrial equipment.
Low-Alloy Steel: It has a lower percentage of alloying elements ranging from 1 to 5 percent. This steel has different strengths and applications depending upon the alloy used. Besides, large diameter flanges use this type of alloy to get specific mechanical properties. Consequently, low alloy steel is useful for a variety of projects in a vast number of industries such as studding outlet production and seamless rolled ring forging.

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