Super Duplex Steel Bolts

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Super Duplex Steel Bolts Manufacturer and Supplier in Kinshasa, Congo

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Mukau Fasteners, a leading manufacturer and supplier based in Kinshasa, Congo, specializes in high-quality Super Duplex Steel Bolts that are known for their exceptional strength, corrosion resistance, and long-lasting performance. These bolts are designed to meet the demanding needs of industries such as oil and gas, chemical processing, marine, and power generation. Using advanced production methods and strict quality control, Mukau Fasteners ensures that every Super Duplex Steel Bolt meets international standards. The company’s commitment to quality, reliability, and customer satisfaction has made it a trusted name in fastening solutions across various industrial sectors.

 

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Super Duplex Steel Bolts are composed of a balanced mixture of austenitic and ferritic stainless steel containing high levels of chromium, molybdenum, and nitrogen. This combination provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, these bolts offer superior tensile and yield strength, excellent fatigue resistance, and good toughness, even in subzero temperatures. Their duplex microstructure ensures strength and stability under high-pressure and high-temperature environments, making them ideal for critical industrial applications requiring both durability and corrosion protection.

 

Super Duplex Steel Bolts Specifications

Standard DIN, ASTM, BS and all International Standards
Specifications ASTM A479 & ASME SA479
UNS S32760 Nut and Bolts Size M3 To M56 3/6″ to 2″
Length 3 to 200 MM
Super Duplex Steel 2207 Machine Screws Size M1.6 To M12
Duplex Steel 2205 Washers Size M3 To M56 3/6″ to 2″

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Super Duplex Steel Bolts Mechanical Properties

Tensile Strength(MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) Hardness Rockwell C (HR C)
Super Duplex Steel Bolts 760 550 15 32 Max

Super Duplex Steel Bolts Chemical Composition

Phosphorus Sulphur Silicon Carbon Manganese Nickel Molybdenum Nitrogen Copper Chromium
0.035 % max 0.02 % max 0.80 % max 0.03% Max 1.20 % max 6.00 – 8.00 % 3.00 – 5.00 % 0.24 – 0.32 % 0.50 % max 24.0 – 26.0 %

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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.

Super Duplex Steel Bolts are widely used in industries where strength, corrosion resistance, and reliability are crucial. They are commonly found in offshore oil and gas platforms, desalination plants, chemical processing units, and marine engineering structures. These bolts are ideal for securing components in pipelines, pressure vessels, and heat exchangers exposed to harsh and corrosive environments. Their excellent mechanical and anti-corrosive properties make them perfect for long-term performance in challenging conditions. Mukau Fasteners provides Super Duplex Steel Bolts in various sizes and grades to meet the diverse needs of industrial, marine, and construction applications.

 
 

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Types of Super Duplex Steel Bolts

Super Duplex Steel Bolts
Super Duplex Steel Hex Cap Screw
Super Duplex Steel Grade Square Bolt
Super Duplex Hex Bolts
Super Duplex Steel Grade Square Bolt
Super Duplex Steel Hex Bolt

At Mukau Fasteners, we take utmost care in packing the Super Duplex Steel bolts for our customers. Every bolt is covered with protective materials to avoid any form of damage, corrosion, or contamination during transportation. We utilize sturdy cartons and provide packaging services that meet your requirements. Clear labeling and packing also help in making identification and handling easier, which is a testimony of our quality products in perfect condition.

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Aerospace Industry
Petrochemical Industry
Defence Industry

Super Duplex Steel Bolts Applications