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Stainless Steel 347 Pipes

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Stainless Steel 347 Pipes Manufacturer, Supplier & Exporter in India

Detailed Information

Stainless Steel 347 Pipes are niobium-stabilized austenitic stainless steel pipes designed for high-temperature and corrosion-resistant applications. Manufactured according to ASTM A312 Grade TP347 and ASTM A312 Gr TP347 specifications, these pipes provide excellent resistance to intergranular corrosion after welding and during continuous high-temperature service. As a trusted SS 347 Pipe Manufacturer in India, we supply a complete range of Stainless Steel 347 Round Pipe, INOX 347 Square Pipe, and 347 Stainless Steel Rectangular Pipe used extensively in petrochemical plants, power generation facilities, refineries, and chemical processing industries.

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Introduction to Stainless Steel 347 Pipes

SS 347 Pipes are widely used in industries that require materials capable of withstanding high temperatures, oxidation, and corrosive environments. These pipes belong to the austenitic stainless steel family and are stabilized with niobium (columbium), which prevents carbide precipitation during welding or high-temperature exposure.

Compared with standard grades such as 304 or 316, Stainless Steel 347 Pipe offers superior resistance to intergranular corrosion and improved high-temperature strength. Because of these properties, ASTM A312 Grade TP347 Pipe is commonly used in heat exchangers, boilers, exhaust systems, and high-pressure pipelines.

As one of the reliable SS 347 Pipe Suppliers in India, we focus on delivering high-quality products that meet international manufacturing standards and industrial performance requirements. Our product range includes:

  • Stainless Steel 347 Round Pipe
  • INOX 347 Square Pipe
  • 347 Stainless Steel Rectangular Pipe
  • UNS S34700 Square Pipe
  • AISI 347 Round Pipe

These pipes are available in multiple sizes, wall thicknesses, and finishes to suit diverse industrial applications.

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New York City, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, San Jose, Austin, Jacksonville, Fort Worth, Columbus, Charlotte, San Francisco, Indianapolis, Seattle, Denver, Washington, Boston, El Paso, Nashville, Detroit, Oklahoma City, Portland, Las Vegas, Memphis, Louisville, Baltimore, Milwaukee, Albuquerque, Tucson, Fresno, Mesa, Sacramento, Atlanta, Kansas City, Colorado Springs, Omaha, Raleigh, Miami, Long Beach, Virginia Beach, Oakland, Minneapolis, Tulsa, Tampa, Arlington, New Orleans, Wichita, Bakersfield, Cleveland, Aurora, Anaheim, Honolulu, Santa Ana, Riverside, Corpus Christi, Lexington, Henderson, Stockton, Saint Paul, Cincinnati, St. Louis, Pittsburgh, Greensboro, Lincoln, Anchorage, Plano, Orlando, Irvine, Newark, Durham, Chula Vista, Toledo, Fort Wayne, St. Petersburg, Laredo, Jersey City, Chandler, Madison, Lubbock, Scottsdale, Reno, Buffalo, Gilbert, Glendale, North Las Vegas, Winston-Salem, Chesapeake, Norfolk, Fremont, Garland, Irving, Hialeah, Richmond, Boise, Spokane, Baton Rouge, Tacoma, San Bernardino, Modesto, Fontana, Des Moines, Moreno Valley, Santa Clarita, Fayetteville, Birmingham, Oxnard, Rochester, Port St. Lucie, Grand Rapids, Huntsville, Salt Lake City, Frisco, Yonkers, Amarillo, Glendale, Huntington Beach, McKinney, Montgomery, Augusta, Aurora, Akron, Little Rock, Tempe, Columbus, Overland Park, Grand Prairie, Tallahassee, Cape Coral, Mobile, Knoxville, Shreveport, Worcester, Ontario, Vancouver, Sioux Falls, Chattanooga, Brownsville, Fort Lauderdale, Providence, Newport News, Rancho Cucamonga, Santa Rosa, Peoria, Oceanside, Elk Grove, Salem, Pembroke Pines, Eugene, Garden Grove, Cary, Fort Collins, Corona, Springfield, Jackson, Alexandria, Hayward, Clarksville, Lakewood, Lancaster, Salinas, Palmdale, Hollywood, Springfield, Macon, Kansas City, Sunnyvale, Pomona, Killeen, Escondido, Pasadena, Naperville, Bellevue, Joliet, Murfreesboro, Midland, Rockford, Paterson, Savannah, Bridgeport, Torrance, McAllen, Syracuse, Surprise, Denton, Roseville, Thornton, Miramar, Pasadena, Mesquite, Olathe, Dayton, Carrollton, Waco, Orange, Fullerton, Charleston, West Valley City, Visalia, Hampton, Gainesville, Warren, Coral Springs, Cedar Rapids, Round Rock, Sterling Heights, Kent, Columbia, Santa Clara, New Haven, Stamford, Concord, Elizabeth, Athens, Thousand Oaks, Lafayette, Simi Valley, Topeka, Norman, Fargo, Wilmington, Abilene, Odessa, Columbia, Pearland, Victorville, Hartford, Vallejo, Allentown, Berkeley, Richardson, Arvada, Ann Arbor, Rochester, Cambridge, Sugar Land, Lansing, Evansville, College Station, Fairfield, Clearwater, Beaumont, Independence, Provo, West Jordan, Murrieta, Palm Bay, El Monte, Carlsbad, North Charleston, Temecula, Clovis, Springfield, Meridian, Westminster, Costa Mesa, High Point, Manchester, Pueblo, Lakeland, Pompano Beach, West Palm Beach, Antioch, Everett, Downey, Lowell, Centennial, Elgin, Richmond, Peoria, Broken Arrow, Miami Gardens, Billings, Jurupa Valley, Sandy Springs, Gresham, Lewisville, Hillsboro, Ventura, Greeley, Inglewood, Waterbury, League City, Santa Maria, Tyler, Davie, Lakewood, Daly City, Boulder, Allen, West Covina, Sparks, Wichita Falls, Green Bay, San Mateo, Norwalk, Rialto, Las Cruces, Chico, El Cajon, Burbank, South Bend, Renton, Vista, Davenport, Edinburg, Tuscaloosa, Carmel, Spokane Valley, San Angelo, Vacaville, Clinton, Bend, Woodbridge.

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ASTM A312 Grade TP347 Pipe Specifications

The ASTM A312 Grade TP347 Pipe standard covers seamless and welded austenitic stainless steel pipes used for high-temperature and general corrosive service.

Specification

Details

Standard

ASTM A312 / ASME SA312

Grade

TP347

UNS Number

S34700

Pipe Type

Seamless / Welded

Outer Diameter

6 mm – 610 mm

Wall Thickness

0.5 mm – 40 mm

Length

Single Random / Double Random / Custom

Forms

Round, Square, Rectangular

Finish

Annealed, Pickled, Polished

As reliable Stainless Steel 347 Pipe Suppliers, we maintain a ready stock of pipes to meet urgent project requirements.

Chemical Composition of SS 347 Pipes

The chemical composition of ASTM A312 Gr TP347 ensures strong resistance to corrosion and high-temperature stability.

Element

Composition

Chromium

17 – 19 %

Nickel

9 – 13 %

Carbon

0.08 % max

Manganese

2 % max

Silicon

1 % max

Niobium

Stabilizing element

The addition of niobium prevents carbide precipitation, which improves the performance of SS 347 Pipes in welded and high-temperature environments.

Mechanical Properties of Stainless Steel 347 Pipe

Property

Value

Tensile Strength

515 MPa

Yield Strength

205 MPa

Elongation

35 %

Hardness

201 HB Max

These mechanical properties ensure that Stainless Steel 347 Pipe performs reliably under extreme operating conditions.

Key Advantages of SS 347 Pipes

  • Excellent High Temperature Resistance: ASTM A312 TP347 Pipes are designed to operate effectively in high-temperature environments without losing structural integrity.
  • Superior Corrosion Resistance: The niobium stabilization prevents intergranular corrosion, making SS 347 Pipes suitable for corrosive chemical environments.
  • Excellent Weldability: Unlike some stainless steel grades, 347 Stainless Steel Pipes can be welded without compromising corrosion resistance.
  • Long Service Life: Because of their durability and corrosion resistance, Stainless Steel 347 Pipes require minimal maintenance and offer long operational life.
  • Versatile Applications: These pipes are suitable for multiple industries including power generation, petrochemicals, and heavy engineering.

Types of Stainless Steel 347 Pipes We Supply

Stainless Steel 347 Round Pipe

The Stainless Steel 347 Round Pipe is the most widely used configuration due to its uniform strength and efficient fluid flow characteristics. These pipes are commonly used in industrial pipelines, chemical processing plants, and heat exchanger systems.

As an experienced ASTM A312 SS 347 Round Pipes Dealer, we provide round pipes in both seamless and welded forms.

Key advantages:

  • Excellent corrosion resistance
  • High temperature stability
  • Smooth internal surface for fluid transport
  • Strong weldability

INOX 347 Square Pipe

INOX 347 Square Pipe is often used in structural applications where strength and aesthetic appeal are important. These pipes are suitable for architectural frameworks, industrial structures, and fabrication projects.

Benefits include:

  • High structural strength
  • Uniform shape for fabrication
  • Good resistance to oxidation and corrosion

347 Stainless Steel Rectangular Pipe

The 347 Stainless Steel Rectangular Pipe provides excellent load-bearing capability and structural stability. It is widely used in heavy engineering, construction, and industrial equipment manufacturing.

These pipes are known for:

  • High mechanical strength
  • Superior durability
  • Ease of installation

UNS S34700 Square Pipe

UNS S34700 Square Pipe refers to the standardized composition of stainless steel 347 according to the Unified Numbering System. This classification ensures consistent chemical composition and mechanical properties across global supply chains.

    Applications of Stainless Steel 347 Pipes

    Due to their excellent performance characteristics, SS 347 Pipes are used in various industrial sectors.

    • Petrochemical Industry: Used in pipelines transporting corrosive chemicals and hydrocarbons.
    • Power Generation Plants: Installed in boilers, heat exchangers, and superheaters where high temperatures are common.
    • Oil and Gas Industry: Used in offshore platforms, refineries, and processing plants.
    • Chemical Processing Plants: Ideal for equipment exposed to acidic and high-temperature conditions.
    • Aerospace and Automotive Industry: Commonly used in exhaust systems and heat-resistant components.

    These industries depend on reliable Stainless Steel 347 Pipe Suppliers capable of providing certified materials.

    347 SS Polished Pipes Manufacturer

    As a recognized 347 SS Polished Pipes Manufacturer, we supply pipes with high-quality surface finishes suitable for both industrial and decorative applications.

    Polished Stainless Steel 347 Pipes are commonly used in:

    • Pharmaceutical industries
    • Food processing plants
    • Architectural structures
    • Decorative fabrication

    Available finishes include:

    • Mirror finish
    • Satin finish
    • Brush finish

    Testing and Quality Assurance

    To ensure product reliability, every ASTM A312 Gr TP347 Pipe undergoes strict quality testing. Our quality control process includes:

    • Hydrostatic testing
    • Ultrasonic testing
    • Positive material identification (PMI)
    • Mechanical testing
    • Chemical analysis
    • Radiographic inspection

    These tests ensure the pipes meet international standards before delivery.

      Why Choose Us as SS 347 Pipe Manufacturer in India?

      Selecting the right supplier plays an important role in ensuring project success. As an experienced SS 347 Pipe Manufacturer in India, we focus on delivering both quality products and technical expertise.

      • Extensive Product Range: We supply Stainless Steel 347 Round Pipe, INOX 347 Square Pipe, and 347 Stainless Steel Rectangular Pipe in multiple sizes and finishes.
      • Industry Experience: Our team has extensive experience supplying stainless steel piping solutions to industries worldwide.
      • Strict Quality Standards: Every ASTM A312 Grade TP347 Pipe we supply meets international quality requirements.
      • Global Supply Network: We export SS 347 Pipes to clients across multiple countries with reliable logistics support.
      • Technical Support: Our team assists clients in selecting the correct pipe specification based on temperature, corrosion exposure, and pressure conditions.

      Stainless Steel 347 Pipe Suppliers and Exporters

      As experienced Stainless Steel 347 Pipe Suppliers, we provide high-performance pipes designed for demanding industrial environments. Our product range includes:

      • ASTM A312 SS 347 Round Pipes Dealer
      • AISI 347 Round Pipe
      • UNS S34700 Square Pipe
      • INOX 347 Square Pipe
      • 347 Stainless Steel Rectangular Pipe

      By combining high-quality materials, advanced manufacturing processes, and strict quality control, we continue to supply reliable SS 347 Pipes to industries worldwide.

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