Stainless Steel Tubes Products

Stainless Steel 321 Tube Manufacturer, ASTM A213 TP321 Seamless Tube Supplier & Exporter

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Specification

Chemical Composition

Stainless Steel 321 Seamless Tubes Stainless Steel 321 ERW Tube Supplier UNS S32100 SS 321 Tube

Stainless Steel 321 Tube is a titanium-stabilized austenitic stainless steel tubing designed for high-temperature service where resistance to intergranular corrosion is essential. Commonly manufactured according to ASTM A213 TP321 Seamless Tube and ASME SA213 TP321 Tube standards, these tubes offer excellent oxidation resistance up to approximately 870°C and are widely used in heat exchangers, condensers, boilers, petrochemical plants, refineries, aerospace, food processing, and power generation industries.

Detailed Information

Stainless Steel 321 Tube Manufacturer & Stainless Steel 321 Tube Suppliers

As a trusted SS 321 tube manufacturer, we supply premium quality Stainless Steel 321 Tube for demanding industrial applications across global markets. Our product range includes seamless, welded, bright annealed, capillary, heat exchanger, hydraulic, instrumentation, and coiled tubing manufactured according to international ASTM and ASME specifications.

Being one of the reliable stainless steel 321 tube suppliers, we maintain ready stock in multiple sizes, wall thicknesses, and finishes for immediate dispatch. Our tubes are widely preferred because they provide superior resistance to oxidation, stress, scaling, and carbide precipitation at elevated temperatures.

We manufacture and export tubing for industries including:

  • Petrochemical Plants
  • Chemical Processing
  • Oil & Gas
  • Heat Exchanger Manufacturing
  • Power Generation
  • Aerospace
  • Pharmaceutical Industry
  • Food Processing
  • Fertilizer Plants
  • Marine Engineering

As an experienced SS 321 pipe and tube exporter, we supply products to customers worldwide with complete mill test certificates, third-party inspection, and export-quality packaging.

What is Stainless Steel 321 Tube?

Stainless Steel 321 Tube is an austenitic chromium-nickel stainless steel stabilized with titanium. The addition of titanium prevents chromium carbide precipitation during welding and high-temperature exposure, making the alloy ideal for continuous service between 425°C and 870°C.

Compared to Grade 304 stainless steel, SS 321 offers significantly better resistance to intergranular corrosion after welding while maintaining excellent toughness, formability, and weldability.

The commonly used specifications include:

    • ASTM A213 TP321 Seamless Tube
    • ASME SA213 TP321 Tube
    • ASTM A269 TP321 Tubing
    • ASTM A249 TP321 Welded Tube

Equivalent grades include:

  • UNS S32100 Tube Equivalent
  • UNS S32109 / 1.4878 Tube
  • Werkstoff Nr 1.4541 Tube
Cities We Delivered

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, A213, A249 Stainless Steel Tp 321 Seamless Tubes Specification

Specification

Details

Product

Stainless Steel 321 Tube

Standard

ASTM A213, ASTM A269, ASTM A249, ASTM A554

ASME Specification

ASME SA213 TP321 Tube

Material Grade

TP321

UNS Number

UNS S32100

Stabilized Grade

UNS S32109 / 1.4878 Tube

Werkstoff No.

Werkstoff Nr 1.4541 Tube

Manufacturing

Seamless, Welded, ERW, Cold Drawn

Outside Diameter

6 mm to 114.3 mm

Wall Thickness

0.5 mm to 12 mm

Length

Random, Double Random, Cut Length

Finish

Bright Annealed, Pickled, Polished, BA, Annealed

End Type

Plain End, Beveled End

SS UNS S32100 Tubes Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Ti
321 0.08 max 2 max 0.75 max 0.045 max 0.03 max 17 – 19 3 – 4 9 – 12 0.10 max

5xC min

0.60% max

Mechanical Properties of UNS S32100 Stainless Steel 321 Tubes

Grade

321

321H

Tensile Strength (MPa) min

515

515

Yield Strength 0.2% Proof (MPa) min

205

205

Elongation (% in 50mm) min

40

40

Hardness

 

Rockwell B (HR B) max

95

95

Brinell (HB) max

217

217

Equivalent of Stainless Steel 321 Tubes

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
321 S32100 321S31 58B,  58C 1.4541 X6CrNiTi18-10 2337 SUS 321

Physical Properties of Stainless Steel 321 SMLS Tubes (Room Temperature)

Grade

Density (kg/m3)

Elastic Modulus (GPa)

Mean Coefficient of Thermal Expansion (m/m/0C)

Thermal Conductivity (W/m.K)

Specific Heat 0-1000C (J/kg.K)

Electrical Resistivity (n.m)

0-100°C

0-315°C

0-538°C

at 100°C

at 500°C

321

8027

193

16.6

17.2

18.6

16.1

22.2

500

720

Types Of Stainless Steel TP 321 / 321H Seamless Tubing

  • Stainless Steel 321 Seamless Tubes
  • SS TP 321H Seamless Tubes
  • Stainless Steel 321 Tubes
  • SS 321 UNS S32100 Tubes
  • Stainless Steel 321 Cold Drawn Tubes
  • ASTM A 213 Stainless Steel 321 Seamless Tubes
  • DIN 1.4511 SS 321 Seamless Tubing
  • SS TP 321H Cold Drawn Tubes
  • AISI SS TP 321H Tubing
  • Stainless Steel 321 Tubing
  • SS UNS S32109 Seamless Tubing
  • Stainless Steel 321H Seamless Tubing
  • DIN 1.4878 Stainless Steel 321H Seamless Tubes

Why Choose Us as Your SS 321 Tube Manufacturer?

Customers worldwide choose us because we focus on quality, consistency, and reliable delivery.

Our Advantages

  • Experienced SS 321 tube manufacturer
  • Reliable stainless steel 321 tube suppliers
  • Large inventory for immediate dispatch
  • Trusted SS 321 seamless tube stockist
  • International ASTM & ASME standards
  • Competitive pricing
  • Third-party inspection available
  • Custom manufacturing options
  • Worldwide export capability
  • Complete documentation and traceability
  • Technical support before and after purchase

Our team works closely with customers to recommend the most suitable tubing solution based on pressure, temperature, corrosion resistance, and application requirements.

Before You Go...

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