Stainless Steel 347/347h Seamless Tube

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Stainless Steel 347/347h Seamless Tube Manufacturer.

SEAMLESS: DIN 1.4550 Tube | UNS S34700 Tube | JIS SUS 347 Tube | ASTM A213 TP347h Tube | DIN 1.4961 Tube | UNS S34709 Tube

Stainless Steel 347/347h Seamless Tube Manufacturer

SS S34700 Seamless Tube, ASTM A213 TP347 SS Seamless Tubes, Stainless Steel 347h Seamless Tubes, Stainless Steel 1.4550 Seamless Tube, ASME SA269 SS 347 Seamless Tubing, 347h SS Seamless Tube Manufacturer in India, SS 347 Smls Tubes Supplier in Qatar, Steel 347h Seamless Tubes Exporter in Australia, ASTM A269 TP347 Stainless Steel Smls Tubes, Stainless Steel 347h Seamless Tubing.

Stainless Steel 347 and Stainless Steel 347H are both types of austenitic stainless steel. The Stainless Steel 347H Seamless Tubes have more carbon content than Stainless Steel 347 Seamless Tubes. MPJ, a renowned supplier, manufacturer and exporter of stainless steel, provides the best quality tubing products and solutions in an affordable range of pricing. Our brand is a global centric entity, highly focused towards providing the best out of all in the market. Due to efficient offerings pertaining to high-quality and durable stainless steel, our brand has been globally recognised as we are among the top exporters in countries such as UK, Australia, Spain, Slovakia, France, Germany, Netherlands, Nigeria, Tunisia, Namibia, Zimbabwe, Ethiopia, Mauritius, South Africa, Syria, Jordan, UAE, Lebanon, Thailand, Myanmar, Philippines, Azerbaijan, Hong Kong, Saudi Arabia, Qatar, Indonesia, Singapore and many more.

The Stainless Steel 347/347H Seamless Tubos have a wide range of properties pertaining to different industrial standards. The UNS S34700 (347) and UNSS34709 (347H) seamless tubes have properties such as high resistance in a strongly oxidizing environment, a good resistance to corrosion, resistance over intergranular corrosion even at higher temperature, which ranges from approximately 427 to 816 degrees celsius. The corrosion resistance of Stainless Steel 347/347H Seamless Tubes have a better resistance to corrosion, which makes them high in mechanical properties that proves beneficial for several industrial applications. In addition to that, these seamless tubes can also be handy in situations where there is an involvement of mild and diluted acids.

The Stainless Steel 347/347H Seamless Tubes have a wide ranging user-applications and can be utilized in variety of industries like chemical industries, petrochemical industries, pulp and paper industries, oil & gas industries, water processing industries, onshore application industries, dairy processing, fertilizer industries, power plants, offshore applications, water treatment plants and many more. At MPJ, we offer seamless tubes with outside diameters from 6.0mm to 76.10mm and wall thicknesses from 0.50mm to 8.0mm. The shapes we offer include Round, Coil, and U-Shaped. The The UNSS34700 (347) Seamless Tubes and UNSS34709 (347H) Seamless Tubes are also available in various specifications, such as ASTM, ASME, DIN EN (Germany), NF (AFNOR), and JIS (Japan).

Stainless Steel UNS S34709 Seamless Tubing Exporter in Dubai, SS 347h Seamless Tube, Stainless Steel 347/347h Smls Tubing, Stainless Steel 347 Seamless Tubes Stockiest, SS UNS S34700 Seamless Tube, Stainless Steel 347h Smls Tubes, SS JIS SUS 347/347h Seamless Tubing Supplier, Stainless Steel DIN 1.4961 Seamless Tubes, SS DIN 1.4550 Seamless Tubing.

Stainless Steel 347/347h Seamless Tube Chemical Composition

Grade Range  Ni C Cr Mn Si P CB S Fe
347 Min. 9.0 17.0 62.74
Max. 13.0 0.08 20.0 2.00 1.00 0.045 10Xc-1.10 0.030
347H Min. 9.0 0.04 17.0 63.72
Max. 13.0 0.10 19.0 2.00 1.00 0.045 8Xc-1.10 0.030  

SS 347/347h Seamless Tubes Mechanical Properties

Grade Tensile Strength min (MPa) Yield Strength 0.2% Proof min (MPa) Hardness Elongation (% in 50mm) min
Brinell max (HB) Rockwell B max (HR B)
347/347h 515 205 201 92 40%

SS ASTM A213 TP347h Tubing Equivalent Grades

Grade UNS No Old British Euronorm Japanese JIS Swedish SS GOST
BS En No Name
347 S34700 347S31 1.4550 X6CrNiNb18-10 SUS 347 2338 08Ch18N12B
347h S34709 1.4961 SUS 347h

347/347h Stainless Steel Tubes Standard Specifications

Spec. No.




Seamless Ferritic Stainless Steel and Austenitic Stainless Steel Tubes.

Pressure tubes, made from 16 grades of austenitic stainless steel and from 12 grades of ferritic Cr-Mo Alloy Steel.


Austenitic Stainless Steel 304 Seamless Tubing for General Service.

13 grades of austenitic stainless steel tubing for general corrosion-resisting and high-temperature service. (Types 304, 304L, 316, 316L, 317, 321, 347, 348 and XM grades).

Let’s discuss about your ongoing project

Size Range
  • Outer Diameter: 6.00 mm OD to 101.40 mm OD
  • Wall Thickness: 0.50 mm to 8.00 mm
  • Length: Upto 30 Meter
  • Specifications: ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Supply Condition
  • Bright Annealed / Solution Annealed & Passivated
  • Ability to supply tubes with stringent NDT Testing, Special Chemistry, Lower Residual Stress values.
  • OD Polishing : Grit Polish from 120 to 600.
  • Closer Dimensional Tolerance & higher Corrosion Resistance etc.
  • We offer customized cut Length to save time of our customers.
347/347h SS Seamless Tube Quality Control

To ensure a quality product, MPJ is holding certificate ISO 9001:2015, ISO 45001, OHSAS 14001, & CE-PED. We are also members of various renowned agencies and Chambers of Commerce including MASSMA, EEPC, FICCI, FIEO, Indian Merchants Chamber, etc. With state-of-the-art manufacturing processes, contemporary technologies, and proficient services, we consider: offering the finest quality, best in class products. Compliance with specifications as per standards, Outer Diameter, Thickness, Inside Diameter, Inside Finish, Marking, Ends, and Finishing. This ensures that we never face a rejection of the Stainless Steel 347h Seamless Tube supplied.

Brand –

SS 347 Seamless Tubing are marked in requirement of the international standards.

This marking helps for the identification of the tube and supported with the Material Test Report. It is 100% traceable to our mill.

Stainless Steel 347 SMLS Tubes Packing & Documentation

Stainless Steel 347/347h SMLS Tubes Packing & Documentation

ASTM A269 TP347h Seamless Tubes are surface wash and clean to remove all impurities and stock in the warehouse. Then it is wrapped in thin plastic and also it ends are protected by plastic caps to avoid any damage in transit. Stainless Steel 347 Seamless Tube is bundled in bubble wrap followed by assorting them in colored plastic bundles. An outer rope is tied to protect the tubing and they are packed in wooden box or container.

MPJ Provide Stainless Steel 347 Seamless Tube and SS 347h Seamless Tubes with all necessary documents such as commercial invoice, packing list, Test Reports, HS Code, Country of Origin attested by the chamber of commerce, Fumigation Certificate, Warranty Letter, and Base Material Certificates. Every lot is supplied with a material test certificate as per EN 10204 NACE 3.1 standards indicating the chemical and mechanical properties of the Instrumentation Tubes.

We also confirm the guarantee of the seamless tubes supplied as per Purchase order specifications and attest the same in the Material Test Certificate. We also welcome any third party inspection from an agency nominated by the customer to comply with NACE 3.2 Certification if required by the customer at an extra cost.

SS 347/347h Seamless Tube Application Industries

  • Oil & Gas Exploration
  • Petrochemicals and Refineries
  • Cross Country Pipe Line for Gas & Water
  • Pipes for Engineering purpose
  • Thermal, Nuclear and Solar Power Plants
  • Desalination Plants
  • Chemical Industries
  • Aerospace
  • Atomic Energy
  • Pharmaceutical
  • Food and Dairy
  • Automobile
Chemical Industries
Chemical Industries
Cross Country Pipe Line for Gas and Water
Cross Country Pipe Line
Oil and Gas Exploration
Oil and Gas Exploration
Petrochemicals and Refineries
Petrochemicals and Refineries
Thermal, Nuclear and Solar Power Plants
Thermal, Nuclear and Solar Power Plants

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SS 347/347h Seamless Tubing Suppliers

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