Application and Uses of Duplex Steel Bar

Application and Uses of Duplex Steel Bar

What is Duplex Steel Bar?

The Duplex Steel Round Bar is designed to be stronger than typical austenitic stainless steel in order to give improved corrosion resistance, notably chloride stress corrosion and chloride pitting corrosion. Two layers of metal are welded together to form a type of steel known as duplex steel.

The Duplex Steel UNS S31803 Round Bar provides pitting and crevice corrosion resistance greater than austenitic SS in virtually all corrosive environments. Additionally, it possesses higher fatigue corrosion and degradation qualities than austenitic, as well as reduced thermal expansion and better thermal conductivity.

Round bars made of duplex steel are renowned for their exceptional resistance to heat and general corrosion. Combination of austenitic and ferrite stainless steels, this duplex steel exhibits strength and endurance. Because they don’t require as much reinforcement due to their flexibility and strength characteristics, duplex steel bars have been shown to be less expensive when used alone compared to other forms of structural steel bars. Duplex Steel Rods have outstanding mechanical and thermal qualities throughout a broad temperature and pressure range spectrum. It’s a great option for use elsewhere, in the automobile industry, and in engineering.

Numerous Applications and Uses Exist for Duplex Steel Bars

On cars, trucks, and other motor vehicles, duplex steel bars are utilized for the chassis and frame. They keep a modest profile within the vehicle whilst being sturdy enough to sustain high loads due to their lightweight.

In bridges and other substantial buildings, duplex steel bars are frequently used because they can support the weight of traffic without bending or breaking. Contrary to other kinds of metals, they do not need to be painted or coated with chemicals to prevent corrosion.

Home construction also uses duplex steel bars because they are less heavy but stronger than bricks or concrete.

Many applications in which duplex stainless steel is not suitable prefer to use nickel alloys or high alloy austenitic stainless steel components.

Duplex Stainless Steel has the Following Advantages

  • This stainless steel grade has two times the strength of stainless steel grades made from ferritic steel or austenitic steel
  • Excellent stress corrosion cracking resistance due to higher ductility and toughness.
  • Due to the lower nickel and molybdenum alloy content in duplex stainless steel than in austenitic stainless steel, it is less expensive.

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