Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 317 Pipe Fittings, which are iron alloys with a minimum of 10.5 % chromium. These Stainless Steel 317 Compression Pipe Fittings is an austenitic stainless steel often used in Sulphur bearing gas atmospheres, heat exchanger and recuperator tubing and molten salt applications. This high chromium and medium nickel grade of SS 317 Compression Fittings has an excellent resistance to oxidation under temperatures up to 2000 Degree F. Our Stainless Steel 317 Accessories is basic 12 % chromium, martensitic stainless steel that exhibits good resistance to atmospheric corrosion.

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These Stainless Steel 317 Ferrule Pipe Fittings also exhibits good resistance to oxidation for continuous service temperatures up to 1300 Degree F and intermittent service up to 1500 Degree F. SS 317 Double Ferrule Pipe Fittings is used when strength, hardness and wear resistance must be combined with corrosion resistance. These 317 Stainless Steel Compression Pipe Fittings is a low alloy, nickel – chromium – molybdenum steel capable of being heat treated to high strength levels.

Stainless Steel 317 Pipe Fittings

Stainless Steel 317 Pipe Fittings

317 Stainless Steel Ferrule Pipe Fittings has a good combination of ductility, toughness and strength along with high hardenability. These 317 Stainless Steel Double Ferrule Pipe Fittings was adopted as a generic name for these steels and now covers a wide range of steel types and grades for corrosion or oxidation resistant applications.

Stainless Steel 317 Pipe Fittings / Accessories Specifications
Specifications : ASTM A182 ASME SA 182
Tube Size : 1/16”OD to 2”OD, 2mm OD to 50mm OD
Pressure Rating : 6000PSI for Stainless Steel, 300/1000/3000PSI for Brass
SS 317 Pipe Fittings Chemical Composition
Grade C Mn Si P S Cr Mo Ni N
SS 317 0.08 max 2 max 1.0max 0.045 max 0.030 max 18 – 20 3.0-4.0 11.0-15.0 57.845 min
Stainless Steel 317 Accessories Mechanical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.9 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
Equivalent Grades for 317 Stainless Steel Pipe Fittings
SS 317 1.4449 S31700 SUS 317
SS 317 Pipe Fittings / Accessories 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
Stainless Steel 317 Pipe Fittings / Accessories 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)