Ananka Group is a leading Duplex Fasteners Manufacturer in India, producing a wide range of Duplex fasteners in various sizes, grades, and scales. Our Duplex Fasteners are manufactured by national & international standards. Known for high resistance to stress corrosion cracking, they are ideal for chemical processing and marine environments. We are a top-notch Duplex Bolt Manufacturer.
We offer an inclusive range of Duplex Fasteners such as Duplex 2205 and Duplex 2507. Also known as UNS S31803/S32205 and UNS S32750, these Fasteners exhibit higher strength than standard stainless steels and can be customized in terms of thicknesses and sizes as per specific client requirements.
We are a top quality Duplex Fasteners Manufacturer In Mumbai. Duplex Fasteners are heavily demanded by mechanical and automobile industries for their accurate dimensions and durability. We are also the top manufacturer of Carbon Steel Fasteners in India.
Our range of Duplex stainless steel fasteners includes grades such as Duplex 2205 (UNS S31803 / S32205) and Super Duplex (UNS S32750), offering excellent mechanical strength and superior resistance to corrosion and stress corrosion cracking.
These Duplex fasteners can be manufactured in customized sizes, threading, and dimensions to meet specific client and project requirements.
Duplex fasteners are extensively used in oil & gas, marine, chemical, petrochemical, offshore, and power generation industries where strength, durability, and corrosion resistance are critical. We are also a leading manufacturer of Carbon Steel Fasteners in India.
Ananka Group is the top Duplex Fasteners Manufacturer in India. Duplex is considered a high-performance alloy that is capable of surviving in harsh environments (high temperature and high stress) even when exposed to corrosive surroundings.
Since it is a strong material with corrosion resistance, it has been used in nuclear and chemical reactors and also in valves and pipes in the chemical industries. We are a leading Duplex Fasteners Manufacturer in Mumbai. The most common Duplex used in fasteners includes grades like Duplex 2205 and Super Duplex 2507.
The following table shows the typical chemical composition of commonly used Duplex stainless steel grades for fasteners.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Duplex S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 - 23.0 | 3.0 - 3.5 | 4.50 - 6.50 | 0.14 - 0.20 | 63.72 min |
| Duplex S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 - 23.0 | 2.50 - 3.50 | 4.50 - 6.50 | 0.8 - 0.20 | 63.54 min |
| Duplex S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 - 26.00 | 3.00 - 5.00 | 6.00 - 8.00 | 0.24 - 0.32 | 58.095 min |
| Duplex S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 - 26.00 | 3.00 - 4.00 | 6.00 - 8.00 | 0.20 - 0.30 | 57.61 min |
Our Duplex Fasteners are engineered for critical high-performance environments:
LC (Letter of Credit), TT (Telegraphic Transfer or Wire Transfer), Cheque, and others.
Duplex Fasteners are packaged with caution and safety so they reach our client’s as good as he would expect. Packaging Charges Extra.
Mumbai or Kalamboli ports in the Maharashtra state of India.
18% GST (As applicable).