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Punit Fasteners is a top manufacturer and supplier of Duplex Steel Stud Bolts 2205 in Delhi, India. These high-performance bolts are made from UNS S32205 duplex stainless steel, offering great corrosion resistance and high mechanical strength. Complying with ASTM A182/A479 specifications, our 2205 stud bolts are suitable for flanged joints, pressure piping, and structural frameworks. Designed for tough environments, we provide double-end and fully threaded versions in standard and custom lengths. Punit Fasteners ensures reliable threading, accurate tolerances, and strong performance in challenging marine, petrochemical, and infrastructure settings.
Duplex Steel 2205 Stud Bolts consist of 22% chromium, 5–6% nickel, 3% molybdenum, and nitrogen. This mixture provides them excellent resistance to localized corrosion, stress cracking, and erosion. They have a tensile strength of 620–880 MPa, yield strength above 450 MPa, and Rockwell hardness of 25–35 HRC. These bolts maintain strength in high temperatures and corrosive environments, outpacing standard stainless steels. Their resistance to fatigue and impact even at low temperatures makes them suitable for demanding and dynamic load-bearing uses in tough industrial settings.
| Duplex Steel Stud Bolts 2205 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
|
Grade |
Tensile Strength
(MPa) min |
Elongation
(% in 50mm) |
Yield Strength
0.2% Proof (MPa) min |
Hardness
Rockwell C (HR C) |
|---|---|---|---|---|
|
UNS-S 32205 |
621 |
25 |
448 |
21 max |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Duplex Steel Stud Bolts 2205
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 479 / 479 |
3 mm
to
200 mm
|
M02 to M30
|
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 2205 Stud Bolts are used in desalination systems, offshore platforms, chemical processing plants, and paper manufacturing facilities. They are ideal for fastening pumps, valves, heat exchangers, and high-pressure pipes that come into contact with chlorides and acidic fluids. Their high fatigue resistance makes them great for bridges, cranes, and heavy-duty structural assemblies. These stud bolts ensure long-lasting durability under fluctuating temperatures, high pressure, and corrosive settings. Their strength-to-weight ratio and dual-phase structure make them a top choice for engineers in marine, energy, and infrastructure projects needing reliable, corrosion-resistant fastening.
At Punit Fasteners, we ensure Duplex Steel Stud Bolts 2205 are meticulously packaged to maintain their quality during transit. Each bolt is individually inspected and wrapped in protective materials to prevent damage. Our packaging includes durable, corrosion-resistant containers designed to safeguard against environmental factors. Clearly labeled and securely sealed, our packaging ensures that products arrive in pristine condition. We prioritize careful handling and efficient delivery, guaranteeing that our Duplex Steel Stud Bolts 2205 meet your highest expectations upon arrival.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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