Stainless Steel 347/347h Welded Tube

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Stainless Steel 347/347h Welded Tube Manufacturer.

WELDED: DIN 1.4550 Tube | UNS S34700 Tube | JIS SUS 347 Tube | ASTM A249 TP347 Tube | ASTM A269 TP347h Tube | ASTM A270 TP347 Tube | ASTM A688 TP347h Tube | DIN 1.4961 Tube | UNS S34709 Tube

Stainless Steel 347/347h Welded Tube Manufacturer

SS S34700 Welded Tube, ASTM A249 TP347 SS Welded Tubes, Stainless Steel 347h Welded Tubes, Stainless Steel 1.4550 Welded Tube, ASME SA269 SS 347 Welded Tubing, 347h SS Welded Tube Manufacturer in India, SS 347 ERW Tubes Supplier in Qatar, Steel 347h Welded Tubes Exporter in Australia, ASTM A270 TP347 Stainless Steel ERW Tubes, Stainless Steel 347h Welded Tubing.

The Stainless Steel 347/347H Welded Tubes are developed by severe heating and welding treatment that enhances its performance in elevated temperature and annealed environments. Being one of the best stainless steel providers of India, MPJ is trusted by a huge number of satisfied consumers. Our products are a result of intricate expertise, years of experience and magnificent technology, which has added great value to our venture. As our products speak quality and service class, we have established as one of the most successful exporters in countries like UK, Finland, Denmark, Spain, Hungary, Bulgaria, Netherlands, Portugal, Slovenia, Syria, Kenya, Ghana, Nigeria, Zimbabwe, Ethiopia, Myanmar, North & South Korea, Mauritius, Iran, Iraq, Oman, Uzbekistan, Tajikistan, Bahrain, Kuwait, Japan, Taiwan, Singapore and many more.

We have a big number of satisfied customers who have been choosing us over years of committed service, specially because of high-end quality products. The Stainless Steel 347/347H ERW Welded Tubes have a chemical composition that includes manganese, nickel, carbon, titanium, phosphorus, sulfur, cobalt and silicon. The UNS S34700 (347) and UNSS34709 (347H) Welded Tubes have extensive physical and mechanical properties like high yield strength, hardness, tensile strength, elongation, electrical conductivity, and thermal conductivity. Additionally, the welded tubes have excessive resistance against general corrosion like stress corrosion, pitting, crevice cracking, impact corrosion and seawater rusting.

The Stainless Steel 347/347H Welded Tubos are suitable for use in various industries including petrochemicals, gas processing, pharmaceuticals, chemical engineering, power generation, offshore oil drilling, pulp and paper, heat exchangers, food processing, military applications, condensers among others. At MPJ, we offer Stainless Steel 347/347H Welded Tubes that have an outer diameter of 6.00 mm to 101.40 mm, wall thickness ranging from 0.50 mm to 8.00 mm, and length going upto 30 metres. The specifications that we deal in include ASTM, ASME, DIN EN (Germany), NF (AFNOR) and JIS (Japan). Our supplied tubes are NDT tested, have lower stress value and special chemistry. The grit polish polish measure ranges from 120 to 600 and the supply condition is bright annealed/solution annealed and passivated.

Stainless Steel UNS S34709 Welded Tubing Exporter in Dubai, SS 347h Welded Tube, Stainless Steel 347/347h ERW Tubing, Stainless Steel 347 Welded Tubes Stockiest, SS UNS S34700 Welded Tube, ASTM A688 Stainless Steel 347h ERW Tubes, SS JIS SUS 347/347h Welded Tubing Supplier, Stainless Steel DIN 1.4961 Welded Tubes, SS DIN 1.4550 Welded Tubing.

Stainless Steel 347/347h Welded 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 Welded 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 A249 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.




Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes.

ASTM A249 / A249M Covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels listed in standard.


Welded Austenitic and Ferritic/Austenitic Stainless Steel 304 Sanitary Tubing.

This specification covers grades of seamless, welded, and heavily cold worked welded austenitic and ferritic/austenitic stainless steel sanitary
tubing intended for use in the dairy and food industry and having special surface finishes.


Welded Austenitic Stainless Steel 304 Feedwater Heater Tubes

ASTM A688 Standard Specification for Seamless and Welded Austenitic Stainless Steel 304 Feedwater Heater Tubes covers standard requirements for welded austenitic stainless steel feedforward heater tubes including those bent.


Austenitic Stainless Steel 304 Welded 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: Up to 30 meters
  • 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 Welded 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 Welded Tube supplied.

Brand –

SS 347 Welded 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 ERW Tubes Packing & Documentation

Stainless Steel 347/347h ERW Tubes Packing & Documentation

ASTM A269 TP347h Welded 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 Welded 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 Welded Tube and SS 347h Welded 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 Welded 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 Welded 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 Welded Tubing Suppliers

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