Manufactures & Suppliers of Pipes, Tubes, Flanges, Pipe Fitting & Fasteners

Natron Pipe Tube is a trusted name in the manufacturing of Duplex Steel Hex Bolts in India, offering superior-grade fasteners that provide high strength, excellent corrosion resistance, and durability even in challenging environments. Our Duplex Steel Hex Bolts are crafted from top-quality duplex stainless steel, known for its unique dual-phase microstructure, which enhances both strength and stress corrosion resistance. This makes them ideal for use in industries such as petrochemical, marine, and construction, where high performance and reliability are essential.

Duplex Steel Heavy Hex Bolt, Duplex Steel, Duplex Steel Flange Hex Bolt, Duplex Steel Hex Tap Bolt, Duplex Steel Hex Lag Bolt Supplier and Manufacturer in Mumbai, India

Our range of Duplex Steel Hex Bolts comes in a variety of specifications, sizes, and custom options, catering to a wide spectrum of industrial requirements. Each bolt is precision-engineered using advanced technology and rigorously tested for quality, ensuring it meets stringent standards for performance. With Natron Pipe Tube, customers receive reliable and efficient solutions that are designed to withstand extreme conditions, helping industries achieve long-lasting, cost-effective results.


Duplex Steel Hex Bolts Specification

Duplex Fasteners Material Specification 2205 Duplex Hex Bolts, UNS S31803 Bolts
Standard DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM, and all International Standards
Duplex Fasteners/ Bolts Size M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160
Length 3 mm to 200 mm
Duplex Bolts, Studs Threads: METRIC, BSW, BSF, UNC, UNF, or as required
Duplex Steel Hex Bolt Standard: ANSI – American National Standards Institute

  • ANSI B 18.2.4 2M
  • ANSI B 28.2.4 1M
  • Duplex Steel Stud Bolt length is defined in ASME B16.5 standard
  • Duplex Steel Hex nuts are defined in ASME B18.2.2
  • ASME B18.5

DIN: DIN 931, DIN 933, DIN 934, DIN 970

UTS – Unified Thread Standard: UNC, UNF, UNEF, UNS, NPT, NPTF

ISO – International Organization for Standardization: ISO 4032, ISO 4033, JIS standards

Duplex Fasteners In Form of: Hex
Duplex Fasteners finishing: Zinc (yellow, white, blue, black), black oxide,
Geometry, Dacroment, anodizing, nickel-plated, plated zinc-nickel, Duplex Steel: Passivated
Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Duplex Steel, Mechanically Applied coating, and some special one like DACROMET
Production process M2-M24: Cold Forging, hot forging M24-M100, machining, and CNC for Customized connecting element
Duplex bolting materials Surface Coating:
  • Teflon Coated Fasteners
  • Phosphate Coated Fasteners
  • Zinc Coated Fasteners
  • PTFE Coated Duplex Steel Fasteners
  • Xylon Coated Fasteners
  • Cadmium Coated Fasteners
  • Hot Dipped Galvanizing Coated Fasteners

All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet

Popular Types of Duplex Steel Bolts Hex Bolts, Hex Head Bolts, etc.

As a trusted supplier and manufacturer in Mumbai, India, we specialize in a wide range of Duplex Steel Hex Bolts, meeting the high-performance needs of various industries. Our selection includes Duplex Steel Heavy Hex Bolts, known for their exceptional strength and durability, and Duplex Steel Flange Hex Bolts, designed to provide added support and secure fastening in critical applications. Additionally, our Duplex Steel Hex Tap Bolts offer precision for threaded connections, while Duplex Steel Hex Lag Bolts are ideal for heavy-duty fastening in construction and structural work.


Duplex Steel Hex Bolts Mechanical Properties

Duplex 2205 Density Melting Point Yield Strength Tensile Strength Elongation
7.8 g/cm3 1350 °C Psi – 80000, MPa – 550 Psi – 116000, MPa – 800 15

Duplex Steel Hex Bolt Equivalent Material

Element Name Specifications
European DIN UNS ASTM / ASME
Duplex Steel 2205 SAF 2205® 1.4462 S31803 & S32205 F51 & F60