ASTM A312 Stainless Steel Pipe, SS JIS SUS 321 Pipes, 321H Stainless Steel Seamless Pipes, SS 321 Hexagonal Pipe, Austenitic Stainless Steel 321H Pipes Suppliers and Exporters.

SS UNS S32109 Welded 321 Pipe, Suppliers of ASTM A312 TP 321 Stainless Steel Seamless Pipes,321 SS Hallow Pipe, Stainless Steel WERKSTOFF NR. 1.4541 Pipe Manufacturer in India.

Stainless steel 321/321H Pipes

Ganpat Industrial Corporation is a well-known firm that manufactures a wide range of SS 321 / 321H Pipes, which is often used in spiral Welded tube for burner pipes and flues. Our Stainless Steel 321 Pipes can be slit to your desired width, where annealing is required to rectify if necessary. Annealing Heat of these Stainless Steel 321H Pipes to 1750 ° F – 2050 ° F (954 ° C – 1121 ° C), then water quench or air cool. Our Stainless Steel 321 Seamless Pipes can be stress-relief annealed within the sensitization temperature range 450 Deg C – 800 Deg C without carbide precipitation occurring, thus avoiding the possibility of inter-granular corrosion. The overall characteristics of these Stainless Steel 321H Welded Pipes make it an excellent, relatively low cost choice for many applications. Our Stainless Steel 321 EFW Pipes is generally considered to have comparable weldability to Stainless Steel 304 and Stainless Steel 304L with the main difference being the titanium addition which reduces or prevents carbide precipitation during welding. These Stainless Steel 321H ERW Pipes has extensive use in aircraft parts, such as exhaust systems where operating temperatures are higher than 800 ° F. Our Stainless Steel 321 Round Pipes has slightly less corrosion resistance to atmospheric conditions than Alloy 302 or Alloy 304 in the annealed condition. These Stainless Steel 321H Square Pipes has equipment and storage units for Food processing and Aerospace applications.

SS 321H Bush Hex Pipe, SS TP321 Seamless Pipe, Stainless Steel 321 Seamless Pipe, Stainless Steel 321 Welded Pipes, SS 321 Hallow Pipe, TP321 SS Welded Pipe Manufacturer in India.

Stainless Steel Pipe

Stainless Steel 321/321H Pipe
321/321H Stainless Steel Seamless Pipe
Stainless Steel 321/321H Welded Pipe
SS 321/321H Round Pipe
321/321H SS Bush Hex Pipe
321/321H Steel Square Pipe

SS 321/321H Seamless Pipes Specifications
Specifications : ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358
Dimensions : ASTM, ASME and API
SS 321/321H Pipes : 1/2″ NB – 16″ NB
ERW 321/321H Pipes : 1/2″ NB – 24″ NB
EFW 321/321H Pipes : 6″ NB – 100″ NB
Size : 1/8″NB TO 30″NB IN
Specialized in : Large Diameter Size
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form : Round, Square, Rectangular, Hydraulic Etc
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End, Treaded


Types of Stainless Steel 321 Welded Pipes

Stainless Steel 321/321H Seamless Pipes Stainless Steel 321 Seamless Pipe SS 321 Seamless Pipe
321H SS Seamless Pipe
321 Stainless Steel Seamless Pipe
UNS S32109 Seamless Pipe
WERKSTOFF NR. 1.4541 Seamless Pipe
ASTM A312 TP 321 Stainless Steel Seamless Pipes
Stainless Steel 321/321H Welded Pipes Stainless Steel 321 Welded Pipe SS 321H Welded Pipe
321 SS Welded Pipe
SS 321 ERW Pipe
SS 321H EFW Pipe
Stainless Steel 321/321H ERW Pipe
Stainless Steel 321 EFW Pipe
321 Stainless Steel Welded Pipe
UNS S32100 Welded Pipe
WERKSTOFF NR. 1.4541 Welded Pipe
ASTM A312 TP 321 Stainless Steel Welded Pipes
 Stainless Steel 321/321H Round Pipes Stainless Steel 321 Round Pipe SS 321H Round Pipe
321 SS Round Pipe
321H Stainless Steel Round Pipe
UNS S32109 Round Pipe
SS UNS S32109Round Pipe
ASTM A312 TP 321 Stainless Steel Round Pipes
 Stainless steel 321/321H Square Pipes Stainless Steel 321H Square Pipe SS 321 Square Pipe
321 SS Square Pipe
321H Stainless Steel Square Pipe
UNS S32100 Square Pipe
WERKSTOFF NR. 1.4878 Square Pipe
ASTM A312 TP 321 Stainless Steel Square Pipes
 SS 321/321H Rectangular Pipes Stainless Steel 321 Rectangular Pipe 321H SS Rectangular Pipe
321 Stainless Steel Rectangular Pipe
UNS S32109 Rectangular Pipe
WERKSTOFF NR. 1.4541 Rectangular Pipe
ASTM A312 TP 321 Stainless Steel Rectangular Pipes
 Stainless Steel 321/321H Custom Pipes Custom Stainless Steel 321H Pipe SS 321 Custom Pipe
321H SS Custom Pipe
321 Stainless Steel Custom Pipe
UNS S32100 Custom Pipe
WERKSTOFF NR. 1.4541 Custom Pipe
ASTM A312 TP 321 Stainless Steel Custom Pipes
 Stainless Steel 321/321H Polish Pipe Stainless Steel 321H Polished Pipe SS 321H Polished Pipe
321 SS Polished Pipe
321H Stainless Steel Polished Pipe
UNS S32109 Polished Pipe
WERKSTOFF NR. 1.4878 Polished Pipe
ASTM A312 TP 321 Stainless Steel Polished Pipes
 Stainless Steel 321/321H Decorative Pipes Stainless Steel 321 Decorative Pipe SS 321H Decorative Pipe
321 SS Decorative Pipe
321H Stainless Steel Decorative Pipe
UNS S32100 Decorative Pipe
WERKSTOFF NR. 1.4541 Decorative Pipe
ASTM A312 TP 321 Stainless Steel Decorative Pipes
 SS 321/321H Thick Wall Pipe Stainless Steel 321H Thick Wall Pipe SS 321 Thick Wall Pipe
321 SS Thick Wall Pipe
321H Stainless Steel Thick Wall Pipe
UNS S32109 Thick Wall Pipe
WERKSTOFF NR. 1.4878 Thick Wall Pipe
ASTM A312 TP 321 Stainless Steel Thick Wall Pipes
 SS 321/321H Thin Wall Pipe Stainless Steel 321H Thin Wall Pipe SS 321 Thin Wall Pipe
321 SS Thin Wall Pipe
321H Stainless Steel Thin Wall Pipe
UNS S32100 Thin Wall Pipe
WERKSTOFF NR. 1.4541 Thin Wall Pipe
ASTM A312 TP 321 Stainless Steel Thin Wall Pipes
 SS 321/321H Electropolished Pipes Stainless Steel 321/321H Electropolished Pipe SS 321/321H Electropolished Pipe
321 SS Electropolished Pipe
321H Stainless Steel Electropolished Pipe
UNS S32109 Electropolished Pipe
WERKSTOFF NR. 1.4878 Electropolished Pipe
ASTM A312 TP 321 Stainless Steel Electropolished Pipes


321/321H Stainless Steel Pipe Available Sizes

NB Sizes Sch 5 Sch 10 Sch 40 Sch 80 Sch 160
1 1/4″
1 1/2″
2 1/2″


321/321H Stainless Steel Pipes Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max


Stainless Steel 321/321H Pipe Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %


Equivalent Grades for 321/321H Stainless Steel Pipe

SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9


Stainless Steel 321/321H Pipe Price List

  • tp321 seamless stainless steel pipes
    US $2500-4100 / Ton (FOB Price)
  • seamless pipe astm a312 tp321
    US $600-1200 / Ton (FOB Price)
  • stainless steel seamless pipe tp321
    US $500-2000 / Ton (FOB Price)
  • ASTM A312 TP321 stainless steel welded pipe
    US $850-2200 / Metric Ton (FOB Price)
  • sa312 tp321 seamless pipe
    US $1.5-9 / Kilogram (FOB Price)
  • tp321 seamless pipe manufacturer
    US $850-2200 / Metric Ton (FOB Price)
  • ASTM A312 Gr. TP321 Welded Pipe
    US $500-1000 / Ton (FOB Price)

SS 321/321H Seamless /  Welded Pipes 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

321/321H Steel Pipes Test Certificates

We at GIC 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

ASTM, ASME and API SS 312 Pipe Value Added Services

Material Testing:
We at Ganpat Industrial Corporation 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 MacroTest
• 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)

SS 321/321H Pipes Packaging

Stainless Steel 321 Pipe Wooden Packing Stainless Steel 321 Pipe Packing Stainless Steel 321 Seamless Pipe may be furnished bare or coated and with capped ends. pipes up to 3” OD will be supplied in bundles. In order to prevent rust during sea shipment, bundles of Stainless Steel 321 Seamless Pipe may be wrapped with polypropylene sheets, and secured with flat steel bands. Over 3” OD will be supplied loose.

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Stainless Steel 321/321H Pipes Supplier

Bulgaria, Nigeria, Kuwait, Afghanistan, China, Sri Lanka, Finland, Switzerland, Hungary, Czech Republic, Iran, Venezuela, Israel, Austria, Brazil, Singapore, Japan, Nigeria, Puerto Rico, Greece, Estonia, Morocco, Mongolia, Germany, Philippines, New Zealand, Libya, Kenya, Zimbabwe, Jordan, Qatar, Croatia, Slovakia, Bhutan, Yemen, Malaysia, Colombia, Pakistan, Norway, Azerbaijan, United Arab Emirates, Iraq, Turkey, France, Hong Kong, Italy, Portugal, Lebanon, Peru, Bangladesh, India, Kazakhstan, Belgium, South Africa, Spain, Saudi Arabia, Ukraine, Bahrain, Denmark, Romania, Russia, Macau, Tibet, Gambia, United Kingdom, Algeria, Indonesia, South Korea, Angola, Egypt, Bolivia, Belarus, Vietnam, Taiwan, Gabon, United States, Oman, Ireland, Poland, Trinidad & Tobago,Tunisia, Mexico, Lithuania, Australia, Mexico, Poland, Iran, Netherlands, Chile, Chile, Ghana, Argentina, Ecuador, Namibia, Costa Rica, Serbia, Canada, Nepal, Sweden, Thailand

321/321H Stainless Steel Pipe Exporter

Tehran, Edmonton, Bengaluru, Bogota, Manama, Ankara, Port-of-Spain, New Delhi, Moscow, Rajkot, Nashik, Ahvaz, Santiago, Calgary, Al Khobar, London, Madrid, Hong Kong, Ulsan, Bangkok, Gimhae-si, Chiyoda, Seoul, Indore, Petaling Jaya, Caracas, Thane, Courbevoie, Ho Chi Minh City, Nagpur, Algiers, Kolkata, Kuala Lumpur, Colombo, Melbourne, Dallas, Jeddah, Noida, Lahore, Hyderabad, Ludhiana, Surat, Al Jubail, Vung Tau, Ranchi, Cairo, Vadodara, Atyrau, Navi Mumbai, Houston, Dammam, Los Angeles, Haryana, Howrah, Thiruvananthapuram, Rio de Janeiro, Granada, Visakhapatnam, Geoje-si, Mexico City, Jaipur, Singapore, Pune, Baroda, Montreal, New York, Brisbane, Kuwait City, La Victoria, Pimpri-Chinchwad, Lagos, Perth, Ahmedabad, Sharjah, Secunderabad, Toronto, Busan, Sydney, Mumbai, Muscat, Aberdeen, Doha, Gurgaon, Kanpur, Karachi, Dubai, Bhopal, Abu Dhabi, Riyadh, Faridabad, Ernakulam, Chennai, Coimbatore, Istanbul, Jamshedpur, Jakarta, Milan, Hanoi, Chandigarh