Duplex Steel Bars

Duplex Bars & Shafts


What is duplex steel, and its unique properties make it suitable for manufacturing bars and shafts?

Duplex steel is a type of stainless steel with a unique microstructure of roughly equal amounts of austenite and ferrite phases. This composition grants Duplex Steel its exceptional properties, making it highly suitable for manufacturing bars and shafts. One key characteristic is its remarkable strength, surpassing conventional austenitic stainless steels. Duplex steel also possesses excellent corrosion resistance, even in aggressive environments such as chloride-rich or acidic conditions.

Duplex Bars Round Bar, Duplex Stainless Steel Round Bar, Duplex Stainless Steel Square Bar, Duplex Steel Industrial Shafts Supplier In Mumbai, India.

That makes it a preferred choice for applications where resistance to pitting, crevice corrosion, and stress corrosion cracking is crucial. Additionally, duplex steel offers good toughness and flexibility, allowing it to withstand heavy loads and resist deformation. Its high strength, corrosion resistance, and durability make duplex steel an ideal material for bars and shafts used in various industries, including chemical processing, oil and gas, marine, and structural engineering.

Duplex Steel Bars

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What are the typical applications for duplex steel bars and shafts in various industries?

Due to their exceptional properties, Duplex Steel Bars and shafts find widespread applications across various industries. In the oil and gas sector, they are commonly utilized for components in offshore platforms, subsea equipment, and pipelines, where their superior corrosion resistance and strength make them well-suited for harsh environments. In the chemical processing industry, duplex steel bars and shafts are employed in manufacturing chemical reactors, heat exchangers, and storage tanks due to their resistance to corrosive chemicals and high temperatures.

In the marine industry, they are utilized for propeller shafts, rudders, and other marine components that require resistance against seawater corrosion. The pulp and paper industry also benefits from duplex steel's resistance to corrosion and erosion in applications such as pulp digesters and bleaching equipment. Other notable applications include structural components in construction, such as bridges and building frameworks, as well as in desalination plants, power generation facilities, and the food processing industry. The versatility of duplex steel bars and shafts enables them to meet the demanding requirements of these industries, where strength, corrosion resistance, and durability are paramount.

Duplex Steel Bars & Shafts Specification

Duplex Steel Round Bars Specification
ASTM/ ASME Standard ASTM B574 / ASTM SB574
Size Ranging From 5 To 500 millimeter
Diameter in mm 0.1 to 100 millimeter
Supply Length 100 To 3000 millimeter Long or Above than it
Finishes We Provide Rough, BA Finish, Polished, NO.4 Finish, Black, Matt Finish, Bright, Turned
Tolerance H8, H10, H12, H11, H13K9, K11, K10, H9, K12 or as per clients’ specification
Form Hex (A/F), Square, Ingot, Rectangle,Forging, Billet, Round

Duplex Steel Shafts Specification
Diameter Outside Diameter upto 550mm
Length 1000 mm to 6000 mm Long & Above
Tolerance H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Finish Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Surface Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Condition Centreless Ground & Polished

Duplex Steel Bars & Shafts Stock Availability

Duplex Steel Hex Bar

Hex Bar

Round bars are steel bars with a smooth surface that are employed in construction projects that don't call for highly reinforced concrete works. It is frequently used on pipes, roads, small and medium-sized projects, beam and column stirrups, and stirrups.

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Duplex Steel Rectangle Bar

Rectangle Bar

Solid metal bar with a square cross section is known as a square bar. Grill fencing, fabrications, engineering components, window grills, and the construction of water and fuel tanks are only a few of its many uses.

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Duplex Steel Square Bar

Square Bar

A flat bar is a portion having square sides of various diameters and a flat, rectangular section. This versatile steel product is distributed in the construction, engineering, manufacturing, mining, grating, fabrication, and many other industries because it is reasonably priced.

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Duplex Steel High Precision Shaft

High Precision Shaft

There are several applications for Duplex Steel hexagonal rods. The majority of the time, they are used in various structural and constructional applications. These rods are employed as equipment in a variety of industries, including chemical, food processing, marine, petroleum, sea water, etc. They are extremely adaptable.

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Duplex Steel Electric Motor Shaft

Electric Motor Shaft

As with hot rolled bars, forged bars are formed by heating a billet of steel until it is malleable. To get the bar to the desired rough dimensions, forging either hammers or presses the bar, which is where the techniques diverge.

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Duplex Steel Eccentric Shaft

Eccentric Shaft

The versatile material Duplex Steel rectangular bar is utilised in a variety of industries, including shipbuilding, construction, and the automobile industry. Because of its durability against oxidation and corrosion, it is frequently used in outdoor-oriented items.

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Processing Of Duplex Steel Bars


Heating, rolling & forming
Heating, rolling & forming
Atmospheric Cooling
Atmospheric Cooling


Bars Cutting

Products cut include Round bars, flat bars, hex bars, square bars, tubing and hollow bars, Pipe, angles, channels, beams and tees. Thickness range is 1/16″ to 28″ diameter

Bars Production Cutting

We can provide production cutting for product diameters up to 4″. We utilize production equipment to achieve these precision cuts with tight tolerances.

Bars Polishing

Products polished included all tubular products, with OD & ID polishing available, round bars, square bars, hex & flat bars, angles, uneven leg angles, beams, and other shapes.

“View Round Bars Dimensions & Prices, Contact us today to know Duplex Steel Shafts best offers & prices.”

Duplex Steel Bars & Shafts Ready Stock

  • Duplex Steel Angle Bars
  • Duplex Stainless Steel Grooved Shaft
  • Duplex Steel Channel Bars
  • Duplex Steel Hollow Bar
  • Duplex Stainless Steel Threaded Bars
  • Duplex Steel Linear Shaft
  • Duplex Steel Cold Rolled Bar
  • Duplex Steel Automotive Shaft
  • Duplex Steel Flat Shaft
  • Duplex Steel Cold Drawn Bars
  • Duplex Steel Forged Bars
  • Duplex Stainless Steel Triangle Bars
  • Duplex Steel Quench and Tempered Bars
  • Duplex Precision Ground Bar
  • Duplex Steel Tapered Shaf
  • Duplex Stainless Steel Flat Bar
  • Duplex Stainless Steel Half Round Bar
  • Duplex Steel Hot Rolled Bars
  • B164 Duplex Steel Threaded Bar
  • Duplex Metallic Drive Shaft

Duplex Steel Shafts Applications and Uses

  • Shaft Making
  • Automobiles
  • Electric Motors & Pumps
  • Railways
  • Mining
  • Miscellaneous Fabrication
Shaft Making

Duplex Steel Bars in Shaft Making


Duplex Steel Bars & Shafts in Automobiles

Electric Motors & Pumps

Duplex Steel Bars & Shafts in Electric Motors & Pumps


Duplex Steel Bars & Shafts in Railways


Duplex Steel Bars & Shafts in Mining

Miscellaneous Fabrication

Duplex Steel Bars & Shafts in Miscellaneous Fabrication

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