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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.
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.
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 Round Bars Specification | |
|---|---|
| ASTM/ ASME Standard | ASTM B574 / ASTM SB574 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI, ASTM, ASME |
| 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 | Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI, ASTM, ASME |
|---|---|
| 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 |
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. |
Duplex Steel Bars in Shaft Making
Duplex Steel Bars & Shafts in Automobiles
Duplex Steel Bars & Shafts in Electric Motors & Pumps
Duplex Steel Bars & Shafts in Railways
Duplex Steel Bars & Shafts in Mining
Duplex Steel Bars & Shafts in Miscellaneous Fabrication
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Duplex Steel Bars & Shafts Stock Availability
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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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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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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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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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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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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