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Hitech Pipes & Tubes is Leading Stockist & Exporters of Grade 321 Seamless Pipe Tube

Best Quality Steel Pipes !! Genuine Suppliers of Grade 321 Seamless Pipe Tube, Look Up Quick Results Now!, Better Deal On Bulk Grade 321 Seamless Pipe Tube., Supplier of Grade 321 Seamless Pipe Tube India, Call us Now & Get Free Estimates!

Grade 321 Seamless Pipe Tube Dealers UAE. Grade 321 Seamless Pipe Tube Dealers Qatar, Grade 321 Seamless Pipe Tube Dealers Kuwait, Grade 321 Seamless Pipe Tube Dealers IRAN, Grade 321 Seamless Pipe Tube Dealers Saudi Arab , Grade 321 Seamless Pipe Tube Dealers Indonesia, Grade 321 Seamless Pipe Tube Dealers Russia


 

316L Stainless Steel Pipe and Tubes / Stainless Steel Seamless Pipes Tubes

 TYPES OF ALLOY STEEL PIPES

We,at Hitech Metal & Tubes having the experience of 30 years in Stainless steel Seamless pipe,Tube & tubing business. We can meet your EXACT SPECIFICATIONS in SS Seamless Pipes Tubes Stainless Steel Seamless Pipes Tubes
Stainless Steel Seamless Pipe,Tube & tubing

We sell NEW, SURPLUS & USED Stainless STEEL Seamless PIPE,Tube & TUBING.

our existing clients of Stainless Steel Seamless Pipe,Tube & tubing in India, UAE, Saudi Arabia, South Africa, Iran, Qatar, Kuwait, Azerbaijan, Gabon, Colombia, Egypt, USA (United States Of America), Malaysia, Singapore, Indonesia,Vietnam, Sri Lanka,Kuwait, Egypt, Netherland, Mexico,Italy any many more countries around the world call us that you are our Stainless STEEL Seamless PIPE & TUBING PROFESSIONALS, most of our clients says that we got the material in time, whenever we had urgent requirements of specific grades in Stainless Steel Seamless Pipe,Tube & Tubing,Send Online Inquiry

 

 

Why Choose Hitech Metal & Tubes for your requirement of Stainless Steel Seamless Pipe,Tube & tubing

1) All Sizes, Quantities and Applications to meet out all Your Needs:because we have 3rd largest inventory of Stainless Steel Seamless Pipe,Tube & Tubing in INDIA, UAE & Indonesia
2) No Automated Answering Machines Here : One On One Customer Service!
3) Central Location in the India for On Time Delivery Of Quality Products!
4)Quality Assurance Department : to Meet out Your Specifications!
5) Specialty Services include Welding, Cutting, Threading, & Painting to meet out Your Special Needs!
6) Hitech Metal & tubes has been an authority in the Stainless steel Seamless pipe,Tube and tubing industry for over three decades, we are an industry leader in stocking, manufacturing, and fabricating quality products.

 

 » 304 Stainless Steel Seamless Pipe & Tubes
» 304L Stainless Steel Seamless Pipe & Tubes
» 304H Stainless Steel Seamless Pipe & Tubes
» 310 Stainless Steel Seamless Pipe & Tubes
» 316 Stainless Steel Seamless Pipe & Tubes
» 316H Stainless Steel Seamless Pipe & Tubes
» 316L Stainless Steel Seamless Pipe & Tubes
» 317L Stainless Steel Seamless Pipe and Tubes
» 321 Stainless Steel Seamless Pipe & Tubes
» 347 Stainless Steel Seamless Pipe & Tubes
» 904L Stainless Steel Seamless Pipe and Tubes
» UNS 32750 Dupex Stainless Steel Seamless Pipe & Tubes

Type 321 (UNS S32100)

Type 321 is a standard austenitic 18/8 chromium nickel alloy with the addition of Titanium making it an excellent choice in elevated temperature environments.

The titanium stabilises the material removing its susceptibility to the effects of intergranular corrosion. 321 is therefore the stainless steel material of choice for applications in working environments up to 900° C.

A drawback of Type 321 is that the titanium does not transfer well across a high temperature arc, so it is not recommended as a welding consumable.

In such instances, 347 is the preferred choice as the Niobium performs the same function as Titanium but can be still transferred across a high temperature arc. Type 347 is therefore the consumable of choice for welding Grade 321.

The steel has excellent forming and welding qualities and excellent toughness even at cryogenic temperatures. If you are looking for a stainless steel to provide resistance to intergranular corrosion, 304L is the normal choice as it is a more commonly used and supplied steel.

However, 321 is a much better option in operating temperature environments in excess of 500° C and therefore have its own merits.Note that Type 321 does not polish well so it is not practical to use this material as cosmetic architectural feature.

321 Stainless Steel Seamless Pipes and Tubes Product Range
Specifications: ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Sizes (Seamless): 1/2” NB - 24” NB
Sizes (ERW): 1/2” NB - 24” NB
Sizes (EFW): 6” NB - 100” NB

Wall Thickness available:
Schedule 5S - Schedule XXS (heavier on request)

Other Materials Testing:
NACE MR0175, H2 SERVICE, OXYGEN SERVICE, CRYO SERVICE, etc.

Dimensions:
All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME and API etc.

Stainless Steel Pipes and Tubes Application

321 Stainless Steel Tubing Application
321 stainless steel is an ideal stainless for the construction of performance headers. It is widely used because of its ability to withstand corrosion. Because it’s ease of weldability and excellent forming capacities, 321 stainless steel makes an ideal choice. Offered in 16 gauge. The filler rod of choice is typically of the 308 series.

321 Stainless Steel Seamless Pipes and Tubes

Background of 321 Stainless Steel Pipes and Tubes
Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850°C. Grade 321 is the grade of choice for applications in the temperature range of up to about 900°C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion. Grade 321H is a modification of 321 with a higher carbon content, to provide improved high temperature strength.

A limitation with 321 is that titanium does not transfer well across a high temperature arc, so is not recommended as a welding consumable. In this case grade 347 is preferred - the niobium performs the same carbide stabilization task but can be transferred across a welding arc. Grade 347 is therefore the standard consumable for welding 321. Grade 347 is only occasionally used as parent plate material.
Like other austenitic grades, 321 and 347 have excellent forming and welding characteristics, are readily brake or roll formed and have outstanding welding characteristics. Post-weld annealing is not required. They also have excellent toughness, even down to cryogenic temperatures. Grade 321 does not polish well, so is not recommended for decorative applications.

Grade 304L is more readily available in most product forms, and so is generally used in preference to 321 if the requirement is simply for resistance to intergranular corrosion after welding. However 304L has lower hot strength than 321 and so is not the best choice if the requirement is resistance to an operating environment over about 500°C.

321 Stainless Steel Seamless Pipes and Tubes packaging & shipping policy

321 Stainless Steel Seamless Pipes and Tubes is sleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope. Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.

Composition of 321 Stainless Steel Pipes and Tubes
Typical compositional ranges for grade 321 stainless steels are given in table 1.
Table 1. Composition ranges for 321 grade stainless steel

GradeCMnSiPSCrMoNiNOther
321min.
max
-
0.08
2.000.750.0450.03017.0
19.0
-9.0
12.0
0.10Ti=5(C+N)
0.70
321Hmin.
max
0.04
0.10
2.000.750.0450.03017.0
19.0
-9.0
12.0
-Ti=4(C+N)
0.70
347min.
max
0.082.000.750.0450.03017.0
19.0
-9.0
13.0
-Nb=10(C+N)
1.0

Mechanical Properties of 321 Stainless Steel Pipes and Tubes
Typical mechanical properties for grade 321 stainless steels are given in table 2.
Table 2. Mechanical properties of 321 grade stainless steel

GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minHardness
Rockwell B (HR B) maxBrinell (HB) max
3215152054095217
321H5152054095217
3475152054092201

321H also has a requirement for a grain size of ASTM No 7 or coarser.

Physical Properties of 321 Stainless Steel Pipes and Tubes
Typical physical properties for annealed grade 321 stainless steels are given in table 3.
Table 3. Physical properties of 321 grade stainless steel in the annealed condition


Grade Density (kg/m3)Elastic Modulus (GPa)Mean Coefficient of Thermal Expansion
(
m/m/°C)
Thermal Conductivity (W/m.K)Specific Heat 0-100°C (J/kg.K)Electrical Resistivity (n.m)
0-100°C0-315°C0-538°Cat 100°Cat 500°C
321802719316.617.218.616.122.2500720

Grade Specification Comparison of 321 Stainless Steel Pipes and Tubes
Approximate grade comparisons for 321 stainless steels are given in table 4.
Table 4. Grade specifications for 321 grade stainless steel

GradeUNS NoOld BritishEuronormSwedish SSJapanese JIS
BSEnNoName
321S32100321S3158B, 58C1.4541X6CrNiTi18-102337SUS 321
321HS32109321S51-1.4878X10CrNiTi18-10-SUS 321H
347S34700347S3158G1.4550X6CrNiNb18-102338SUS 347

These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Corrosion Resistance of 321 Stainless Steel Pipes and Tubes
Equivalent to Grade 304 in the annealed condition and superior if a weldment in these grades has not been post-weld annealed or if the application involves service in the 425-900°C range. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 60°C. Considered resistant to potable water with up to about 200mg/L chlorides at ambient temperatures, reducing to about 150mg/L at 60°C.

Heat Treatment of 321 Stainless Steel Pipes and Tubes

  • Solution Treatment (Annealing) - heat to 950-1120°C and cool rapidly for maximum corrosion resistance.
  • Stabilising - heat to 870-900°C for 1 hour per 25mm of thickness and air cool. Stabilisation is recommended for most severe service conditions (above 425°C) and particularly for material annealed at the upper side of the annealing temperature range.
  • Stress Relief - Heat to 700°C for 1 to 2 hours and air cool. These grades cannot be hardened by thermal treatment

    316H Stainless Steel Seamless Pipe Sizes Available in Stock with Price
    • 1/2" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 3/4" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 1" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 1-1/4" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 1-1/2" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 2" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 2-1/2" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 3" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 3-1/2" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 4" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 5" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 6" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 8" NB in ThicknessSchedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 10" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 12" NB in ThicknessSchedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 14" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 16" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS
    • 18" NB in Thickness Schedule 10, Schedule 40, Schedule 80, Schedule 160, Schedule XXS

    316H Stainless Steel Seamless Tube Sizes in Thickness SWG/BWG Available in Stock with Price
    • 1/4" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 5/16" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 3/8" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 1/2" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 3/4" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 1" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 1-1/4" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 1-1/2" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 1-3/4" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 2" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 2-1/4" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 2-1/2" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 2-3/4" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 3" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 3-1/2" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 4" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 4-1/2" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge
    • 5" OD in Thickness 10 Gauge, 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, 22 Gauge

    We export 304 Stainless Steel Seamless Pipe and Seamless Tube to Iran, Iraq, Oman, Qatar, Albania, Muscat, Bahrain, Turkey, Egypt, Maldives, Italy, UAE, Bahrain, Indonesia, Australia, Kuwait, Saudi Arabia, South Africa, Germany, UK, Denmark, Canada, USA, Peru, Brazil, Nizeria, Mexico, Venezuela (Latin America), South America, Russia, kazakhstan etc.

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main country:
  1. India
  2. United States
  3. United Arab Emirates
  4. Canada
  5. Pakistan
  6. Peru
  7. Chile
  8. Spain
  9. France
  10. United Kingdom
  11. Indonesia
  12. Israel
  13. Iran
  14. Kuwait
  15. Mexico
  16. Malaysia
  17. Nigeria
  18. Serbia
  19. Singapore
  20. Taiwan
  21. Chile
  22. Venezuela
  23. Ecuador
  24. Saudi Arabia
  25. Netherlands
  26. Brazil
  27. Colombia
  28. Ghana
  29. Iran
  30. Denmark
  31. Poland
  32. Australia
  33. Afghanistan
  34. Bahrain
  35. Costa Rica
  36. Egypt
  37. Iraq
  38. Jordan
  39. South Korea
  40. Kazakhstan
  41. Sri Lanka
  42. Lithuania
  43. Norway
  44. Oman
  45. Philippines
main country:
  1. Poland
  2. Qatar
  3. Russia
  4. Vietnam
  5. South Africa
  6. Nigeria
  7. Mexico
  8. Turkey
  9. Hungary
  10. Algeria
  11. Angola
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  14. Azerbaijan
  15. Bangladesh
  16. Belarus
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  18. Bhutan
  19. Bolivia
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  21. Croatia
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  23. Estonia
  24. Finland
  25. Greece
  26. Italy
  27. Japan
  28. Libya
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  30. Thailand
  31. Trinidad & Tobago
  32. Tunisia
  33. Ukraine
  34. Yemen
  35. Hong Kong
  36. Gabon
  37. China
  38. Portugal
  39. Switzerland
  40. New Zealand
  41. Sweden
  42. Slovakia
  43. Kenya
  44. Lebanon
  45. Morocco
  46. Mongolia
City
  1. Mumbai
  2. Bengaluru
  3. Chennai
  4. New Delhi
  5. Pimpri-Chinchwad
  6. Houston
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  8. Seoul
  9. Hyderabad
  10. Singapore
  11. Abu Dhabi
  12. Pune
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  14. Gurgaon
  15. Navi Mumbai
  16. Ahmedabad
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  25. Istanbul
  26. Bangkok
  27. Kuwait City
  28. Thane
  29. Sharjah
  30. Muscat
  31. Edmonton
  32. Busan
  33. Mexico City
  34. Doha
  35. Jeddah
  36. Aberdeen
  37. Cairo
  38. Geoje-si
  39. Perth
  40. Santiago
  41. Chandigarh
  42. Indore
  43. Kuala Lumpur
  44. Rio de Janeiro
  45. Dammam
City
  1. Melbourne
  2. Madrid
  3. Surat
  4. Bhopal
  5. Ulsan
  6. Faridabad
  7. La Victoria
  8. Bogota
  9. Lahore
  10. Los Angeles
  11. Algiers
  12. Chiyoda
  13. Ankara
  14. Ho Chi Minh City
  15. Toronto
  16. Hong Kong
  17. Rajkot
  18. Brisbane
  19. Petaling Jaya
  20. Ernakulam
  21. Secunderabad
  22. Gimhae-si
  23. Al Jubail
  24. Port-of-Spain
  25. Thiruvananthapuram
  26. Milan
  27. Atyrau
  28. Lagos
  29. Hanoi
  30. Howrah
  31. Sydney
  32. Ahvaz
  33. Karachi
  34. New York
  35. Caracas
  36. Vung Tau
  37. Al Khobar
  38. Manama
  39. Montreal
  40. Granada
  41. Courbevoie
  42. Visakhapatnam
  43. Ludhiana
  44. Moscow
  45. Dallas
  46. Colombo

 

OUR CLIENTS IN Mumbai, Chennai, Bengaluru, Pune, Ahmedabad, Houston, Dubai, Singapore, Hyderabad, Navi Mumbai, Bangkok, Jakarta, Vadodara, Seoul, London, Kuala Lumpur, New Delhi, Abu Dhabi, Tehran, Doha, Madrid, Calgary, Riyadh, Istanbul, Kolkata, Coimbatore, Pimpri-Chinchwad, Dammam, Perth, Busan, Santiago, Noida, Milan, Mexico City, Al Jubail, Sydney, Gurgaon, Sao Paulo, Karachi, Sharjah, Edmonton, Jeddah, Lahore, Melbourne, Ho Chi Minh City, Surabaya, Lagos, Toronto, Bogota, Hong Kong, Kochi, Osaka, Montreal, Cairo, Ajman, Manama, New York, Warsaw, Surat, Buenos Aires, Indore, La Victoria, Chicago, Baku, Ulsan, Tiruchirappalli, Islamabad, Pattaya City, Rio de Janeiro, Chandigarh, Vung Tau, Ankara, Los Angeles, Thane, Medan, Lucknow, Bhopal, Shah Alam, Baton Rouge, Minato, Vasai, Batam, Brisbane, Jaipur, Vancouver, Aberdeen, Faridabad, Yokohama, Monterrey, Dallas, San Antonio, Hanoi, Nashik, Paris, Zagreb, Tel Aviv-Yafo, Quezon City, Bhubaneswar, Mississauga, Alexandria, Kobe, Bucharest, Tunis, New Cairo City, Budapest, Visakhapatnam, San Donato Milanese, Rome, Johor Bahru, Tulsa, Quito, Hamilton, Ciudad del Carmen, Saint Petersburg, Cape Town, Ankleshwar, Vienna, Gimhae-si, Amsterdam, Auckland, Chuo, The Woodlands, Sofia, Seville, Tangerang, Petaling Jaya, Cebu City, Krakow, Gdansk, Sandton, Al Khobar, Adelaide, Berlin, Giza, Mashhad, Genoa, Rotterdam, Makati, Dhahran, Izmir, Phoenix, New Orleans, Belgrade, Laem Chabang, Ras Al-Khaimah, Quebec City, Regina, Prague, Copenhagen, Barcelona, Kuantan, Muntinlupa, Moscow, Washington, Seattle, Milwaukee, Caracas, Tallinn, Minsk, Brno, Frankfurt, Lyon, Birmingham, Sheffield, Cilegon, Patna, Anand, Rajkot, Baghdad, Chiyoda, Colombo, Casablanca, Kota Kinabalu, Lisbon, Kyiv, Pasadena, Kalyan, Stavanger, Vaughan, Essen, Guwahati, Kolhapur, Nagpur, Haifa, Atyrau, Ansan-si, Santiago de Queretaro, Kuching, The Hague, Plock, Port-of-Spain, Cleveland, Portland, Pittsburgh, Austin, Johannesburg, Puchong, Vapi, Ambernath, Thoothukudi, Kaunas, Accra, Pengerang, Oslo Municipality, Rosario, Wednesbury, Bekasi, Rawalpindi, Ploiesti, Denver, Boston, Greenville

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Email : hitechtubes@outlook.com
(Vinod B Mehta) : +91-98195 80099

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