Ninthore Overseas Is One Of The Leading Manufacturer And Exporter Of High Quality Incoloy 925 Nipple, which may be machined in either the solution-annealed or aged condition. Application requiring a combination of high strength and corrosion resistance may consider Hexagonal Reducing Nipple. The high Nickel content in Hexagonal Nipple gives resistance to chloride ion stress – corrosion cracking, where pitting and crevice corrosion resistance is also excellent. One End Threaded Nipple offers corrosion resistance comparable with that of Incoloy 925, but with higher strength obtained by age hardening. Both End Threaded Nipple is used in various applications in the crude oil and natural gas industry.

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Incoloy 925 Nipple

Incoloy 925 Nipple

This is because, Concentric Swaged Nipple is resistant to sulfide stress cracking and stress – corrosion cracking and therefore a perfect alloy for use down – hole and surface gas well components. Resistance to sulfide stress cracking and stress – corrosion cracking in “sour” crude oil and natural gas environments means that Eccentric Swaged Nipple is used for down – hole and surface gas – well components as well as finding uses in marine and pump shafts or high – strength piping systems.

Machining operations in Incoloy 925 Nipple can be performed by using commercial coolants. The nickel, in conjunction with the molybdenum and copper in Inconel 925 Nipple, also gives outstanding resistance to reducing chemicals. The chromium content of Incoloy 925 Nipple provides resistance to oxidizing environments.

Incoloy 925 Nipple
Specifications : ASTM A336 & ASME SB336
Dimensions : ANSI/ASME B16.11 & BS3799, etc.
Size : ⅛” to 4”
Class : 2000LBS, 3000LBS, 7180LBS, 9000LBS, etc.
Alloy 925 Nipple Chemical Composition
Grade Ni Cr Fe Si Mo Cu Mn C S Al
Incoloy 925 42 – 46 19.55 – 22.5 22 min 0.5 max 2.5 – 3.5 1.5 – 3.0 1.0 max 0.03 max 0.03 max 0.1 – 0.5
Incoloy 925 Nipple Mechanical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.14 g/cm3 1343°C 650 300 30 %
Equivalent Grades for Incoloy Alloy 925 Nipple
Incoloy 925 N09925
Incoloy 925 Nipple Application Industries
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
Alloy 925 Nipple Test Certificates

We at Ninthore Overseas provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc

Material Testing

We at Ninthore Overseas ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test


• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)



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