Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 347H Pipe Fittings, which are often specified when high strength is needed in moderate – to – large sections. Whether tensile or yield strength is the basis of design, thermally treated Stainless Steel 347H Compression Pipe Fittings generally offer high strength – to – weight ratios. For applications requiring maximum ductility, SS 347H Compression Fittings with low Sulphur levels can be supplied by producers using ladle – refining techniques. In general, wear resistance can be improved by increasing the hardness of these Stainless Steel 347H Ferrule Pipe Fittings, by specifying an alloy with greater carbon content (without increasing hardness), or by both.

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The surface of flame – hardened, medium – carbon steel, for example, Stainless Steel 347H Double Ferrule Pipe Fittings is likely to have poorer wear resistance than the carbon – rich case of a carburized steel of equal hardness. Exceptions are nitride parts of these 347H Stainless Steel Compression Pipe Fittings, which have better wear resistance than would be expected from the carbon content alone.

Stainless Steel 347H Pipe Fittings

Stainless Steel 347H Pipe Fittings

For any combination of 347H SS Ferrule Pipe Fittings and heat treatment, three factors tend to decrease toughness: low service temperature, high loading rates, and stress concentrations or residual stress. However, care is necessary for both cold and hot worked materials because these 347H Stainless Steel Double Ferrule Pipe Fittings have high strength.

Stainless Steel 347H 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 347H Pipe Fittings Chemical Composition
Grade C Mn Si P S Cr Cb Ni Fe
SS 347H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 20.00 8xC – 1.10 9.00 – 13.00 63.72 min
Stainless Steel 347H Accessories Mechanical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1454 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
Equivalent Grades for 347H Stainless Steel Pipe Fittings
SS 347H 1.4961 S34709 SUS 347H X6CrNiNb18-12
SS 347H 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 347H 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)