Duplex Steel Screws

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Duplex Steel Screws Manufacturer and Supplier in Kinshasa, Congo

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Mukau Fasteners, based in Kinshasa, Congo, is a trusted manufacturer and supplier of Duplex Steel Screws known for their superior strength, durability, and corrosion resistance. Our Duplex Steel Screws are engineered with precision to perform effectively in demanding environments where both mechanical strength and resistance to wear are essential. These screws are ideal for applications in marine, petrochemical, and construction industries. At Mukau Fasteners, we are dedicated to delivering products that meet international standards, ensuring reliability, long service life, and consistent quality for every fastening requirement.

 

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Duplex Steel Screws are made from a balanced combination of austenitic and ferritic stainless steels containing chromium (around 22%), nickel (5–6%), and molybdenum (3%) with small additions of nitrogen. This composition enhances resistance to pitting, crevice corrosion, and stress corrosion cracking. They exhibit high tensile strength ranging from 600–800 MPa and excellent toughness, even at low temperatures. Duplex Steel Screws also maintain superior hardness and fatigue resistance, making them highly suitable for harsh industrial and marine environments.

 

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Duplex Steel Screws Specifications

Standard : ASTM A193, A194 / SA193 / SA194
Dimension : ASTM, DIN, BS, GB, IS and all International Standards
Length : 3 mm to 200 mm
Bolts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Screw Size : M02 to M33 | Custom Sizes
Heat Treatment : Annealing, Stress Relieving, Case Hardening, Quenching and Tempering.
Type : Hex Bolt/ Hex Screw, Square Head Bolt, U Bolt, Carriage Bolt, Eye Bolt, T Bolt/ J Bolt/ L bolt, Flange Bolt, Coach Screw etc.

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Commited to High Quality Service

To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.

Duplex Steel Screws are widely used in industries requiring strong and corrosion-resistant fastening solutions. They are ideal for applications in chemical processing, desalination plants, offshore oil rigs, and marine equipment. These screws are also used in heat exchangers, power generation, pulp and paper, and food processing industries. Due to their exceptional strength and ability to perform under fluctuating pressures and temperatures, Duplex Steel Screws ensure reliable fastening in structures exposed to corrosive or high-stress conditions, providing durability and operational efficiency in challenging industrial applications.

 
 

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Types of Duplex Steel Screws

Stainless Steel 304 Nuts
Stainless Steel 304 Threaded Rod
Stainless Steel 304 Screw
Stainless Steel 304 Washer
Stainless Steel 304 Bolts
Stainless Steel 304 Stud Bolts

At Mukau Fasteners, we take utmost care while packing our Duplex Steel screws so that they can reach their destination in the best condition. Every screw is packed in individual protective materials to avoid any harm, rusting or contamination during transportation. Our packaging products include sturdy cartons and special packaging that meets your requirements. This way, we ensure that all our products are well packed and labeled to enhance identification and handling to ensure that the clients receive their products in the best condition possible.

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Aerospace Industry
Petrochemical Industry
Defence Industry

Duplex Steel Screws Applications