321 Stainless Steel Welded Tubes

Manufacturers of 321 Stainless Steel Welded Tubes stabilized with titanium to prevent carbide precipitation, offering excellent resistance to intergranular corrosion and reliable performance in high-temperature and oxidizing environments.

ISO 9001:2015 • ISO 14001:2015 • ISO 45001:2018 • PED 2014/68/EU Certified

321 Stainless Steel Welded Tubes

Our 321 Stainless Steel Welded Tubes are designed for applications requiring excellent resistance to intergranular corrosion and reliable performance at elevated temperatures. Stabilized with titanium, Grade 321 prevents carbide precipitation during welding and high-temperature service, making it ideal for demanding thermal environments.

The welded construction provides consistent mechanical strength, dimensional accuracy, and cost efficiency, while the smooth internal and external surface finish enhances resistance to oxidation, scaling, and corrosion, along with improved flow characteristics.

Widely used in aerospace components, heat exchangers, exhaust systems, chemical processing, petrochemical plants, and power generation, our 321 stainless steel welded tubes deliver long-term durability and dependable performance. Available in a wide range of sizes and customized specifications, they offer a high-performance solution for critical high-temperature and corrosive service applications.

321 Stainless Steel Welded Tubes

Comprehensive Reach

Our pipes and tubes are trusted in Mumbai and other key cities across India, catering to critical industries that demand durability, corrosion resistance, and reliable performance.

In the Middle East, countries such as Iraq, Kuwait, Jordan, Lebanon, Saudi Arabia, Yemen, Oman, and the UAE—including Abu Dhabi, Dubai, Al Ain, Ajman, Sharjah, and Ras Al Khaimah—rely on our products for oil & gas, water treatment, and infrastructure projects.

We are also a preferred supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where quality, consistency, and long-term reliability are essential.

Across Europe, our pipes and tubes are widely used in Italy, Spain, Germany, the United Kingdom (England, Wales, Scotland, and Ireland), Russia, Ukraine, Kazakhstan, Turkey, France, Greece, and Austria.

These regions benefit from the precision engineering and durability of our products, particularly in manufacturing, construction, and industrial processing sectors.

Africa and Beyond

Across Africa, industries in Morocco, Algeria, Libya, Egypt, Nigeria, Sudan, Chad, Senegal, Kenya, Somalia, Zambia, South Africa, and Namibia trust our pipes and tubes for their resistance to corrosion and extreme environmental conditions.

In the Americas, our products are essential in the United States, Brazil, Argentina, Mexico, and Canada, supporting oil & gas, construction, and manufacturing industries.

In the Asia-Pacific region, countries such as Sri Lanka, Malaysia, Singapore, Philippines, Thailand, and Vietnam depend on our high-performance pipes and tubes for a wide range of industrial applications.

Industries in Australia benefit from the durability and strength of our products, particularly in mining, infrastructure, and water treatment sectors.

Commitment to Quality

Wherever you are—whether in Doha, Dubai, London, Moscow, or New York— Seminox Pipes and Tubes ensures premium 321 Stainless Steel Welded Tubes manufactured in strict compliance with international quality standards.

Our global presence reflects the trust industries place in our ability to deliver reliable, durable, and application-specific stainless steel solutions for challenging environments worldwide.

Key Features of 321 Stainless Steel Welded Tubes

Titanium Stabilized Grade

Stabilized with titanium to prevent carbide precipitation, providing excellent resistance to intergranular corrosion after welding and during high-temperature service.

Excellent High-Temperature Performance

Maintains mechanical strength and structural stability at elevated temperatures, making it suitable for continuous thermal exposure.

Strong Resistance to Oxidation

Offers reliable resistance to oxidation and scaling in oxidizing environments, even under cyclic heating conditions.

High-Integrity Welded Construction

Manufactured using advanced welding processes to ensure sound weld seams, dimensional accuracy, and consistent mechanical performance.

Smooth & Clean Surface Finish

Smooth internal and external surfaces improve flow efficiency, corrosion resistance, and ease of cleaning in industrial systems.

Ideal for High-Temperature Applications

Widely used in heat exchangers, exhaust systems, aerospace components, chemical processing, petrochemical plants, and power generation.

Product Specification

Outside Diameter Range
1/8" NB to 8" NB
Wall Thickness Range
SCH 5S to SCH 80S (Custom thickness available)
Length
As per customer requirement. Maximum length up to 24 meters.
Material Grades
317, 317L, 317H
UNS S31700, UNS S31703
Manufacturing Standards
ASTM A312, ASTM A358, ASTM A778
Supply Condition
Solution Annealed, Pickled & Passivated.
Other conditions available on request.
Applications
Chemical Processing Plants
Petrochemical Industry
Pharmaceutical & Biotechnology
Marine & Offshore Equipment
Pulp & Paper Industry
Heat Exchangers & Condensers
Corrosive Fluid Handling Systems

Manufacturing, Testing & Quality Assurance

Advanced Welded Tube Manufacturing

321 Stainless Steel Welded Tubes are manufactured using premium chromium-nickel stainless steel stabilized with titanium, along with advanced forming and welding technologies. Precisely controlled manufacturing processes ensure uniform wall thickness, excellent weld integrity, accurate dimensional tolerances, and dependable performance in high-temperature and oxidizing environments.

Inspection & Testing Procedures

Each 321 stainless steel welded tube undergoes rigorous quality inspections including weld seam examination, Eddy Current Testing (ECT), dimensional verification, Positive Material Identification (PMI), and detailed visual inspection to ensure resistance to intergranular corrosion, oxidation, and long-term service reliability.

Standards & Certifications

Our 321 Stainless Steel Welded Tubes are manufactured in compliance with ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and applicable ASTM, EN, and international standards, ensuring consistent quality, safety, and reliability for heat exchangers, exhaust systems, petrochemical units, power plants, and other high-temperature industrial applications.

Typical Applications

Heat Exchangers & Thermal Processing Units
Exhaust Systems & High-Temperature Ducting
Aerospace & Aviation Components
Petrochemical & Refinery Processing
Chemical Processing Equipment
Power Generation & Energy Systems
Furnace Parts & High-Heat Industrial Equipment
Automotive Exhaust & Emission Control Systems
General High-Temperature Industrial Fabrication

Looking for 321 Stainless Steel Welded Tubes?

Connect with Seminox Pipes & Tubes for expert technical support, competitive pricing, and reliable global supply of premium 321 Stainless Steel Welded Tubes engineered for high-temperature service, resistance to intergranular corrosion, and critical industrial applications.

Get in Touch

Phone Number

022 6659 5296
+91 9987403801
+918433943801

Email

domestic@seminoxpipes.com
export@seminoxpipes.com

Address

1219 / 1220, 12th Floor, Prasad Chambers, Girgaon, Mumbai- 400004

Business Hours

Monday — Friday 9am – 5pm
Saturday — 10am – 3pm
Sunday — Closed

Send Us a Message

Powered by Seminox Pipes & Tubes Pvt Ltd | Designed and Developed by Skytech SEO Solutions