Super duplex flanges
Which Grade Is Used for Super Duplex Flanges?
These SD flanges are typically available in grades such as S32750 also known as F53 and S32760 or F55. The SDSS grades offer excellent corrosion resistance and mechanical properties compared to standard duplex stainless steel.
Other steel grades such as UNS S32760 may also be used for SDSS materials depending on specific needs and requirements. These grades of SDSS provide superior corrosion resistance as compared to other standard austenitic stainless steel.
Top Manufacturer of Super Duplex Stainless Steel Blind Flanges in India

Super Duplex Flanges – What Makes Them Stand Out?
Super duplex flanges are resistant to a wide range of corrosive conditions including chloride-induced stress corrosion cracking. The SDSS flanges offer high strength and can withstand heavy loads and pressures.
We are a leading super duplex flanges manufacturer in India, have higher yield and tensile strength compared to standard DSS. They also show excellent resistance to fatigue which makes them suitable for cyclic loading applications.
These stainless flanges have higher yield and tensile strength compared to standard duplex stainless steels. They also show excellent resistance to fatigue which makes them suitable for cyclic loading applications.
Duplex Pipeline: Experts in Super Duplex Slip-On Flanges – Know the Difference Between Forged and Threaded Flanges
Super duplex flanges
Super duplex pipe flanges
SDSS socket weld flange
what is difference between Super duplex steel forged flange and threaded flanges
Forced flanges have a raised face or a flat face with bolt holes. This allows the forced flange to be easily welded to other pipes or flanges without any hassles and difficulties.
SDSS threaded flanges, on the other hand, have internal threads. The threads in the flange provide the means for a secure connection without requiring welding
Refer to Duplex Pipeline specification table to choose the right super Duplex Flange for Your Need
Specification of super duplex flanges/p>

We are high quality super duplex stainless steel flanges supplier in Mumbai
Ensuring Quality in Super Duplex Weld Neck Flanges Through Rigorous Testing
Types of super duplex stainless steel flanges
Super duplex blind flange
- Tensile Strength: 415 MPa
- Coating: oil varnishe
- Pressure class: 150 – 2500
Super duplex slip on flange
- Application: airpspece
- Size: 1/2″ – 48″
- Type: blind,slip on, weld neck
SDSS lap joint flange
- Face type: Rtj, RF, FF, T&G
- Yield Strength: 290 MPa
- Elongation: 50mm
DuplexPipeline Offers Super Duplex Threaded Flanges in Multiple Equivalent Grades for Broad System Compatibility
Chemical composition of super duplex plate flanges

Mechanical properties of super duplex pipe flange

Which Quality Tests and Inspection Techniques Are Applied to Super Duplex Blind Flanges?
Visual inspection involves a visual examination of the SDSS blind flange for any visible defects, such as surface irregularities and cracks. On the other hand, in dimensional inspection, verifies the dimensions and tolerances of the blind flange such as diameter and thickness are checked.
The Magnetic Particle Testing Method is used by steel manufacturers to detect surface defects in the SDSS flange such as cracks or discontinuities. RT process uses X-rays or gamma rays to examine the internal structure and defects of the blind flange.
What Impact Do Super Duplex Weld Neck Flanges Have on Piping System Efficiency and Longevity?
SDSS weld neck flanges offer excellent corrosion resistance, especially in aggressive environments. The use of super duplex pipe flanges considerably reduces the danger of corrosion-related failures and leaks in the piping system
A SDSS slip on flange with high strength and toughness qualities, ensure structural integrity and withstand heavy loads. A SDSS socket weld flange offers a secure and leak-free connection when properly welded to the pipes.
How does the chemical composition of Super duplex slip on flange impact their corrosion resistance properties?
The precise alloying elements and their percentage composition affect a flange’s capacity to resist corrosion in diverse situations. The chromium layer of the SDSS threaded flange offers excellent corrosion resistance by acting as a barrier against agents.
Molybdenum enhances the corrosion resistance of the SDSS lap joint flange especially in environments containing chlorides. It increases the resistance of the flange against pitting and crevice corrosion.
Our products
- Duplex pipe
- Duplex tube
- Super duplex pipe
- Super duplex tube
- Duplex heat exchanger tubes
- Super duplex heat exchanger tubes
- Duplex plate
- Super duplex plate
- Duplex pipe fittings
- Super duplex pipe fittings
- Duplex steel flanges
- Super duplex flanges
- Duplex round bar
- Super duplex round bar
- Duplex steel fasteners
- Duplex 2205 pipe
- Super duplex 2507 pipe
- Super duplex 2507 flanges
- ASTM A789 UNS S31803 seamless tube
- ASTM A790 UNS S31803 seamless pipe
- UNS S31803 concentric reducers
- UNS S31803 elbow
- UNS S31803 tee
- UNS S31803 end cap
- UNS S31803 slip on flange
- UNS S31803 socket weld flange
- UNS S31803 lap joint flange

