REPUTE STEEL ENGINEERING COMPANY | Manufacturer & Exporter in India

Leading Supplier of High-Performance Duplex and Super Duplex Stainless Steel Pipe Fittings


Repute Steel & Engineering Companyis a well-known company that makes Duplex and Super Duplex Stainless Steel Pipe Fittings. They offer a wide range of high-quality goods that are known for working well and lasting a long time. Duplex Steel Buttweld Fittings are made to prevent localized corrosion like pitting and crevice corrosion. This makes them perfect for use in chemical industries. Because they don't crack easily when exposed to chloride stress, they last longer than regular steel parts, especially when temperatures are high. Because they can handle toxic conditions well and keep their shape, these fittings are commonly used in systems that remove sulfur from flue gas.


According to ASTM A815 guidelines, the Duplex Pipe Fittings have a low to medium amount of nickel and chromium. This makes them very resistant to cracking from chloride stress. This makes them cheap and very resistant to rust in general. These fittings have almost twice the yield strength of regular stainless steel grades. This makes them very effective in places with a lot of stress. Duplex Grooved Fittings are especially good at resisting hydrogen sulfide-induced corrosion, which is common in sour service conditions. This makes them essential for businesses that work in these kinds of conditions.


Repute Steel & Engineering Company serves customers all over the world. They send Duplex and Super Duplex Pipe Fittings to towns and countries like Bangalore, Mumbai, Chennai, and Ahmedabad, as well as to places like South Africa, China, Italy, Canada, and more. People know that these valves are very resistant to corrosion, especially against inter-granular and crevice corrosion. Super Duplex Pipe Fittings are better at resisting oxidation at high temperatures and being tough against pressure, which makes them ideal for important uses like hydraulic systems.


The microstructure of Super Duplex Stainless Steel Pipe Fittings is made up of 50% ferrite and 50% austenite. They have a compressive strength of about 800 MPa, which is higher than both ferritic and austenitic stainless steel grades. Even though they cost less to alloy, Super Duplex Fittings are just as resistant to rust as these steel types. They work very well even at very low temperatures and can handle harsh chemical conditions and acids that break things down.


According to ASTM A815 guidelines, the Duplex Pipe Fittings have a low to medium amount of nickel and chromium. This makes them very resistant to cracking from chloride stress. This makes them cheap and very resistant to rust in general. These fittings have almost twice the yield strength of regular stainless steel grades. This makes them very effective in places with a lot of stress. Duplex Grooved Fittings are especially good at resisting hydrogen sulfide-induced corrosion, which is common in sour service conditions. This makes them essential for businesses that work in these kinds of conditions.


Specification of Duplex Pipe Fittings


100% Radiography Test Report
Specifications ASTM A815 / ASME SA815
Duplex pipe fittings Grade
  • UNS S31803 Fittings
  • Duplex 2205 Fittings
  • UNS S32205 Fittings
Duplex SS Pipe Fittings Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
End
  • Beveled
  • plain
  • Grooved
  • Threaded
  • Welding
  • JIC
Duplex Steel Pipe Fittings size Seamless Duplex Stainless Steel Buttweld Fittings: 1/2 inch - 10 inch
Welded Duplex SS Butt Weld Fittings: 1/2 inch - 48 inch
Specialized manufacturer of 90º Elbows, 45º Elbows, Tees, Crosses, Equal Tees & Reducing Tees,Couplings, Reducers, Inserts, Unions, Caps, Nipples, Forged Pipe Fittings, Socket Weld & Threaded, 90° & 45° Elbows - Female-Female, Male-Male, Male-Female, Union, Nipples, Couplings, Plugs Fittings
Duplex Stainless Steel Pipe Fittings Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Duplex Steel Forged Fittings Pressure Rating Threaded end-2000lb/ 3000lb/ 6000lbs ASTM A815 Duplex Stainless Steel Duplex Pipe Fittings
Socket-weld end-3000/ 6000/ 9000lbs Stainless Steel Pipe Fittings
Duplex Stainless Pipe fittings Types ERW / Seamless / Welded / Fabricated, ASTM A815 Duplex Pipe Fittings
ASTM A815 Duplex Stainless Steel Pipe Fittings Type DN15-DN1200
Duplex Steel Forged Fittings Thread BSPT, NPT, BSPP
ASTM A815 Duplex Stainless Steel Pipe Fittings Origin & Mills Japanese, Indian, USA, Korean, European, Ukraine, Russian (NO CHINA)
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Duplex SS Pipe Fittings
Stainless Steel Duplex Pipe Fittings Manufacturing process Press, Push, Cast, Forge, etc.
ASTM A815 Duplex Stainless Steel Pipe Fittings uses & application
  • Schedule 10 Duplex SS fittings are an economical alternative for lower-pressure applications.
  • Fittings To Connect Pipe & Tubes in Power, Construction, Petroleum, Gas, Chemical, Shipbuilding, Metallurgy, etc
  • Schedule 40 Duplex Stainless Steel fittings have a thick wall for higher pressure applications.
Connection Welding
Duplex Steel Elbow Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO.
Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D.
DSS Pipe Fittings Size Range 1/2" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
Duplex Steel Buttweld Fittings Test Certificates Raw Materials Certificate
EN 10204/3.1B
Third Party Inspection Report, etc
Key markets and industries for Stainless Steel Duplex Pipe Fittings
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Material Test Certificates (MTC) for Duplex SS Pipe Fittings as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Specification of Super Duplex Pipe Fittings


Specifications ASTM A815 / ASME SA815
Super Duplex Pipe Fittings size Seamless Super Duplex Stainless Steel Butt Weld Fittings: 1/2" - 10"
Welded Super Duplex Steel Butt Weld Fittings: 1/2" - 48"
Super Duplex Stainless Steel Pipe Fittings Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Super Duplex pipe fittings Grades
  • Super Duplex 2507 Fittings
  • UNS S32750 Fittings
  • UNS S32760 Fittings
Super Duplex Steel Pipe Fittings Manufacturing process Push, Press, Forge, Cast, etc.
Super Duplex Stainless Steel Pipe Fittings Size Range 1/2" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
ASTM A815 Super Duplex Stainless Steel Pipe fittings Types Seamless / ERW / Welded / Fabricated ASME SA815 Super Duplex Pipe Fittings
Super Duplex Forged Fittings Thread NPT, BSPT, BSPP
Super Duplex Steel Pipe Fittings Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
ASME SA815 Super Duplex Pipe Fittings Type DN15-DN1200
Super Duplex Forged Fittings Pressure Rating Threaded end-2000lb/ 3000lb/ 6000lbs ASTM A815 Super Duplex Stainless Steel Pipe Fittings
Socket-weld end-3000/ 6000/ 9000lbs Super Duplex Stainless Steel Pipe Fittings
Connection Welding
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Super Duplex Steel Pipe Fittings
End
  • Beveled
  • plain
  • Grooved
  • Threaded
  • Welding
  • JIC
Super Duplex Elbow Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D.
Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO
Super Duplex Stainless Steel Pipe Fittings uses & application
  • Fittings To Connect Pipe & Tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding etc
  • Schedule 10 Super Duplex Stainless Steel fittings are an economical alternative for lower-pressure applications.
  • Schedule 40 Super Duplex Steel fittings have a thicker wall for higher-pressure applications.
Specialized manufacturer of 90º Elbows, Couplings, Reducers, Inserts, Unions, Caps, Nipples,45º Elbows, Tees, Crosses, Equal Tees & Reducing Tees, Forged Pipe Fittings, Socket Weld & Threaded, Female-Female, Male-Male, Male-Female, 90° & 45° Elbows - Union, Nipples, Couplings, Plugs Fittings
Super Duplex Buttweld Fittings Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Key markets and industries for ASTM A815 Super Duplex Stainless Steel Pipe Fittings
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
ASME SA815 Super Duplex Pipe Fittings Origin & Mills Japanese, Indian, USA, Korean, European, Ukraine, Russian (NO CHINA)
Material Test Certificates (MTC) for Super Duplex Steel Pipe Fittings as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175



Basic Types of Duplex Steel Fittings


Duplex Steel Buttweld Pipe Fittings
Duplex Steel Buttweld Pipe Fittings

Duplex Steel Welded Pipe Fittings
Duplex Steel Welded Pipe Fittings

Duplex Steel Fabricated Pipe Fittings
Duplex Steel Fabricated Pipe Fittings

Duplex Steel Welded Buttweld Fittings
Duplex Steel Welded Buttweld Fittings

Duplex Steel Weld Fittings
Duplex Steel Weld Fittings

Duplex Steel Buttweld Fittings
Duplex Steel Buttweld Fittings

Duplex Steel Pipe Fittings
Duplex Steel Pipe Fittings

Duplex Steel Fittings
Duplex Steel Fittings

ASME B16.9 Duplex Steel Pipe Fittings
ASME B16.9 Duplex Steel Pipe Fittings

Duplex Steel Fabricated Buttweld Fittings
Duplex Steel Fabricated Buttweld Fittings

Duplex Steel Seamless Pipe Fittings
Duplex Steel Seamless Pipe Fittings

Duplex Steel Seamless Buttweld Fittings
Duplex Steel Seamless Buttweld Fittings





Basic Types of Super Duplex Steel Fittings


Super Duplex Welded Pipe Fittings
Super Duplex Welded Pipe Fittings

Super Duplex Fabricated Pipe Fittings
Super Duplex Fabricated Pipe Fittings

Super Duplex Welded Buttweld Fittings
Super Duplex Welded Buttweld Fittings

Super Duplex Pipe Fittings
Super Duplex Pipe Fittings

Super Duplex Weld Fittings
Super Duplex Weld Fittings

Super Duplex Buttweld Fittings
Super Duplex Buttweld Fittings

Super Duplex Buttweld Pipe Fittings
Super Duplex Buttweld Pipe Fittings

Super Duplex Fittings
Super Duplex Fittings



Common Applications


  • 1. Oil and Gas Industry : Used in offshore platforms, pipelines, and refineries due to excellent resistance to chloride stress corrosion cracking and hydrogen sulfide in sour service environments.

  • 2. Chemical Processing Plants : Ideal for transporting aggressive chemicals in reactors, storage tanks, and piping systems, providing high corrosion resistance and durability.  

  • 3. Desalination Plants : Preferred for seawater handling in desalination systems, offering superior resistance to chloride-induced corrosion.

  • 4. Marine Applications : Suitable for shipbuilding, marine hardware, and coastal infrastructure where high strength and corrosion resistance to saltwater are critical.

  • 5. Power Generation : Used in nuclear and fossil fuel power plants for heat exchangers, boilers, and piping systems due to their high temperature and corrosion resistance.  



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