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Super Duplex Tube Fittings | UNS S32750 fittings | Instrumentation Tube Fittings Super Duplex | Super Duplex Instrument Tubing | UNS S32750 Tube Fittings | UNS S32750 Compression Fittings

Super Duplex S32750 Tube Fittings

Instrument Fittings Super Duplex | Super Duplex Ferrule Fittings | Super Duplex Instrumentation Tube Fittings | UNS S32750 Fittings | SAF 2507 Fittings | Super Duplex Steel 2507 Ferrule Fittings | Super Duplex Fittings Manufacturer

Super Duplex Tube Fittings also as Ferrule Fittings, UNS S32750 Fittings, Compression Fittings or Tube Fittings area a high quality and precision finishing manufactured by Oshwin Overseas. Super Duplex Instrument Fittings have a huge variety of application in the instrumentation and calibration industry, Hydraulics, Pneumatics & Research and Development sectors. Compression Fittings (Hydraulic Fittings) manufactured by Oshwin Overseas are internationally accepted by companies around the world. Oshwin Overseas have direct distribution in Dubai, UK, Netherlands, Italy, Australia & USA. Tube Fittings (Compression Fittings) are manufactured in austenitic and ferritic grades.

Super Duplex Instrument Tubing (Ferrule Fitting) are manufactured by Oshwin Overseas and can sustain high pressures of up to 6000 psi. Super Duplex instrument Fittings come with a product replacement warranty of 1 year and have inclusive Mill test certificate by Oshwin Overseas. Production Capacity of Super Duplex Tube Fittings at Oshwin Overseas is 35000 units per month. Compression Fittings size range from 1/16″ thru 2″ (2 mm thru 38 mm O.D.tubing) with numerous choices in end connections and patterns. The design of Hydraulic Fittings / Compression Fittings / Tube Fittings is standard on all 1/4 to 1/2 in. and 6 to 12 mm.

Super Duplex Tube Fittings (Hydraulic Fittings) are designed and manufactured by Oshwin Overseas to meet the rigorous specifications required of industrial applications. Ferrule fittings are commonly used throughout the oil and gas, pulp & paper, petrochemical/chemical processing, research laboratories, aerospace and defense, chemical processing, power generation, cryogenic and semiconductor, shipbuilding, and heavy industrial industries.

UNS S32750 Tube Fittings are available in numerous configurations and sizes, Hydraulic Fittings offered by Oshwin Overseas are made up of parts consisting of a Union (Straight-Union, Reducing Union, Bulkhead Union, Union Elbow, Union Tee, Union Cross) | Male Connector, Female Connector, Male Bulkhead Connector, Female Bulkhead Connector, Male Elbow, Female Elbow, Male Run Tee, Female Run Tee, Male Branch Tee, Female Branch Tee, Adapter (Male Adapter, Female Adapter, Tube End Reducer, Plug, Cap, Bulkhead Lock Nut, Tube Nut, Front Ferrule, Back Ferrule, and Nuts.

During installation of Duplex Fittings (Ferrule Fittings) the mechanical properties of the tubing are maintained because the back ferrule moves in a controlled manner that does not stress or reduce the inner diameter of the tubing. Since the front ferrule does not force the body to expand the nut can be backed off easily for disassembly and remakes.

Super Duplex Stainless Steel Tube Fittings (S32750) are manufactured to Oshwin Overseas stringent quality control program and standards which assure the highest quality available in the industry. Oshwin Overseas are a global industry leading provider of fitting solutions and have obtained ASME Quality and ISO 9001:2008 Certifications.

Super Duplex Steel 2507 Tube Fittings Specification:-

Grade : EN 1.4410, UNS S32750.

Dimensions : DIN, ASTM, BS and all International Standards.

Size : 1/16” OD to 2”OD, 2mm OD to 50mm OD.

Thread: NPT Fittings, BSP Fittings, BSPT Fitting, UNF.

Pressure Rating: 6000PSI for Stainless Steel, 300/1000/3000PSI for Brass.

Fittings Type : Union (Straight-Union, Reducing Union, Bulkhead Union, Union Elbow, Union Tee, Union Cross) | Male Connector, Female Connector, Male Bulkhead Connector, Female Bulkhead Connector, Male Elbow, Female Elbow, Male Run Tee, Female Run Tee, Male Branch Tee, Female Branch Tee, Adapter (Male Adapter, Female Adapter, Tube End Reducer, Plug, Cap, Bulkhead Lock Nut, Tube Nut, Front Ferrule, Back Ferrule, and Nuts.

Our Super Duplex Tube Fittings / Compression Fittings / Ferrule Fittings / Instrumentation Fittings / Hydraulic Fittings conforms to NACE MR0175/ISO 15156.

Forms of UNS S32750 Super Duplex Tube Fittings

Super Duplex Tube Fittings - Straight Union

Straight Union

UNS S32750 Fittings - Union Tee

Union Tee

Male Bulkhead Connector

Male Bulkhead Connector

Ferrule Fittings Male Run Tee

Male Run Tee

UNS S32750 Fittings - Male Adapter

Male Adapter

Super Duplex Tube Fittings - End Cap

End Cap

Super Duplex Instrument Fittings - Reducing Union

Reducing Union

Instrument Fittings - Union Cross

Union Cross

Super Duplex Fittings Female Bulkhead Connector

Female Bulkhead Connector

Ferrule Fittings Female Run Tee

Female Run Tee

Instrument Fittings - Female Adapter

Female Adapter

Super Duplex Instrument Fittings - Bulkhead Lock Nut

Bulkhead Lock Nut

Super Duplex Instrument Fittings - Bulkhead Union

Bulkhead Union

Instrument Fittings - Male Connector

Male Connector

Super Duplex Fittings Male Elbow

Male Elbow

Super Duplex Fittings Male Branch Tee

Male Branch Tee

Instrument Fittings - Tube End Reducer

Tube End Reducer

Super Duplex Instrument Fittings - Front Ferrule

Front Ferrule

Super Duplex Tube Fittings - Union Elbow

Union Elbow

UNS S32750 Fittings - Female Connector

Female Connector

Female Elbow

Female Elbow

Ferrule Fittings Female Branch Tee

Female Branch Tee

UNS S32750 Fittings - Plug


Super Duplex Tube Fittings - Back Ferrule

Back Ferrule

GradeTypeUnified Numbering System (UNS)Forgings GradesWerkstoff-nr.EuronormAFNORDIN Standards
2507Super DuplexS32750F531.4410en 1.4410X2CrNiMoN25-7-4Z3CN25.06Azdin 1.4462
[table “50” not found /]
Forms of Tube FittingsSize
OD Inch
Male Connector, Bulk Head Union, union Cross, Male Pipe Weld Connector, Union Tee, Female Connector, Blanking End, Reducer, Back Ferrule, Union, Male Elbow, Reducing Union, Bulkhead Male Connector, Elbow Union, Female Elbow, Blanking Plug, Male Adapter, Front Ferrule6mm to 38mm1/4" to 1 1/2"
Super Duplex UNS S32750 Instrument Tube Fittings Manufacturer and Exporter
We manufacture and stock all kinds of compression tube fittings and supply these ferrule fittings globally. Os-Lok Tube Fittings are manufactured in accordance with global industrial standards and are easily replaceable with popular tube fittings such as parker A-lok tube fittings and Swagelok S-lok Tube Fittings.
Brand: Oshwin Overseas
Manufacturer: Oshwin Overseas - India
Model: Tube Fitting Tee, Union, Elbow, Coupling, Connector
Product ID: Os-Lok Tube Fittings
Super Duplex S32750 Properties
  •  High Resistance to uniform corrosion.
  • High Resistance to pitting & crevice corrosion.
  • High Resistance to stress corrosion cracking & corrosion fatigue
  • High mechanical strength
  • High Resistance to abrasion & erosion
  • High Resistance to Fatigue
  • High energy absorption
  • Low thermal expansion
  • Good weld ability with care in thick sections
  • Useful up to 600°F
Super Duplex S32750 Applications
  • Chemical Processing Industry – Transport and Storage, pressure vessels, tanks, piping, and heat exchangers.
  • Oil and Gas exploration and processing equipment – piping, tubing, and heat exchangers
  • Marine Industry and Seawater systems – Cargo Tanks for Ships, High chloride environments,
  • FGD / Effluent Scrubber Systems.
  • Paper and Pulp Industry Digesters, Bleaching equipment and Stock-Handling Systems, Chip Pre-steaming vessels.
  • Food Processing Equipment.
  • Flue gas desulfurization / cleaning equipment
  • Rotors, fans, shafts, and press rolls requiring combined strength and corrosion resistance
  • Biofuels Plant, Desalination plants
  • Firewalls and blast walls on offshore platforms
UNS S327500.030 Max24.0-26.01.20 Max3.0-5.06.0-8.00.24-0.320.035 Max0.80 Max0.020 Max
0.2% Proof Stress (N/mm2 ) [ksi] minimum550[79.8]
Tensile Strength (N/mm2) [ksi] minimum800 [116]
Elongation (%) minimum25
Hardness (HBN)270 max
Reduction of Cross Section Area (%)45
Density (Kg.m-1)7810
Magnetic Permeability33
Young’s Modulus (N/mm2)199 x 103
Specific Heat, 20°C (J.Kg-1.°K-1)475
Fracture Toughness, Kq (MPa.m)475
Specific Electrical Resistance, 20°C (µO.m)0.80
Thermal conductivity, 20°C14.2
Mean coefficient of thermal expansion11.1 x 10-6

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  • Commercial Invoice including HS Code
  • Packing List including number of boxes, net weight, gross weight, Marks & Numbers
  • Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
  • Material Test Certificates as per EN 10204 3.1, EN 10204 3.2
  • Test Certificates certifying NACE MR0103, NACE MR0175


  • Positive Material Identification – PMI Testing
  • Chemical Analysis – Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177


The different ways in which our products are packed are:

  • Shrink-wrapped
  • Wooden Boxes
  • Wooden Pallets
  • Wooden Crates
  • Carton boxes


We mark Duplex 2205 as needed with the most suitable & visible marking techniques. Standard Marking System :-

  • Manufacturer’s Name or Trademark
  • Material Designation
  • Size Designation
  • Rating Designation
  • Melt Designation
  • Marking for Identification

Duplex 2205 Experiance - Oshwin Overseas

Leading Supplier, Manufacturer Exporter

More than 30 years of Experiance
Duplex 2205 Mill Test Report

Mill Test Report Provided

In Accordance with EN10204 NACE 3.1, NACE 3.2
Duplex 2205 Fast Delivery

Fast Delivery

Warehouse near to Airport & Port.
Duplex 2205 Shipping

Efficient & Cost Effective Shipping Services

We Offer EXW – Ex Works, FOB, CFR, CIF, DDU, etc.
Duplex 2205 Inspection


3rd Party Inspection is Carried out
Oshwin Overseas - ISO Certified

ISO 9001:2008 Certified

Duplex 2205 Quality Product

Quality Product

Transparent client dealing, No False Assurance, 100% Fulfillment of Commitments.
Duplex 2205 Export

Worldwide Exporter

Export to more than 70 Countries Worldwide
Duplex 2205 Price

Best Price

Competitive pricing is offered
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