304LN Stainless Steel Welded Tubes

Manufacturers of 304LN Stainless Steel Welded Tubes engineered for enhanced strength, improved resistance to intergranular corrosion, and excellent weldability, making them suitable for demanding industrial, structural, and pressure applications.

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

304LN Stainless Steel Welded Tubes

Our 304LN Stainless Steel Welded Tubes are engineered for applications requiring enhanced mechanical strength, excellent corrosion resistance, and reliable weldability. As a nitrogen-strengthened variant of 304L stainless steel, 304LN offers improved resistance to intergranular corrosion and stress corrosion cracking, especially in demanding environments.

The welded construction ensures consistent dimensional accuracy, structural stability, and cost-effective production. A smooth internal and external surface finish enhances cleanliness, flow efficiency, and aesthetic appeal, making these tubes suitable for both functional and architectural applications.

Widely used in food & beverage processing, pharmaceutical equipment, chemical handling systems, marine applications, pressure piping, and structural fabrication, our 304LN stainless steel welded tubes are manufactured under strict quality control to meet international standards. They provide a durable, high-performance, and long-lasting solution for industrial and commercial requirements.

304LN Stainless Steel Welded Tubes

Comprehensive Reach

Our 304LN Stainless Steel Welded Tubes are supplied across India, including Mumbai and other major industrial regions, supporting food & beverage processing, pharmaceuticals, chemical handling, infrastructure, and structural fabrication industries.

In the Middle East, we serve Iraq, Kuwait, Jordan, Lebanon, Saudi Arabia, Yemen, Oman, and the UAE—including Abu Dhabi, Dubai, Al Ain, Ajman, Sharjah, and Ras Al Khaimah—where corrosion resistance, weld integrity, and cleanliness are essential for industrial and infrastructure projects.

We are a trusted supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where 304LN stainless steel welded tubes are preferred for their improved strength, resistance to stress corrosion cracking, and excellent weldability.

Across Europe, our welded tubes are supplied to Italy, Spain, Germany, the United Kingdom, France, Greece, Austria, Turkey, Russia, Ukraine, and Kazakhstan, serving food-grade systems, chemical plants, architectural applications, and manufacturing facilities.

Africa, Americas & Asia-Pacific

In Africa, industries in Morocco, Algeria, Libya, Egypt, Nigeria, Sudan, Chad, Senegal, Kenya, Somalia, Zambia, South Africa, and Namibia rely on our 304LN welded tubes for corrosion resistance and long-term performance in demanding environments.

In the Americas, our products are supplied to the United States, Canada, Mexico, Brazil, and Argentina, supporting food processing, pharmaceuticals, construction, and general industrial applications.

Our reach extends throughout the Asia-Pacific region, including Sri Lanka, Malaysia, Singapore, Philippines, Thailand, and Vietnam, where high-quality stainless steel welded tubes are widely used in process industries and infrastructure development.

Commitment to Quality

Wherever your project is located—whether in Doha, Dubai, London, Moscow, or New York—Seminox Pipes and Tubes delivers premium 304LN Stainless Steel Welded Tubes manufactured in compliance with international standards.

Our global presence reflects the trust industries place in our ability to supply consistent-quality, corrosion-resistant, and cost-effective stainless steel welded tube solutions for industrial and commercial applications worldwide.

Key Features of 304LN Stainless Steel Welded Tubes

Low Carbon with Nitrogen Alloying

The addition of nitrogen improves mechanical strength while maintaining low carbon content, enhancing resistance to intergranular corrosion after welding.

High-Integrity Welded Construction

Manufactured using advanced welding processes to ensure uniform weld quality, dimensional accuracy, and consistent structural performance.

Improved Resistance to Stress Corrosion

304LN offers enhanced resistance to stress corrosion cracking, particularly in chloride-bearing and chemically aggressive environments.

Smooth & Hygienic Surface Finish

Clean surface finish supports easy maintenance, improved cleanliness, and suitability for food, pharmaceutical, and chemical applications.

Excellent Fabrication Properties

Easily welded, formed, and fabricated without loss of corrosion resistance, making it ideal for complex industrial and structural designs.

Durable & Cost-Effective Solution

Delivers long service life and reliable performance while offering a cost-effective alternative to seamless tubes for many applications.

Product Specification:

Outside Diameter Range
1/8" NB TO 8" NB
Wall Thickness Range
SCH 5S to SCH 80S
Length
As per Requirement. Maximum up to 24 Meter long.
Grades
304/L/H/LN, 316/L/H/LN/Ti, 309, 310/L/H/S, 317/L/H, 321/H, 347/H, UNS S31500, UNS S31803, UNS S2205, UNS S32750, UNS S32760
Specification
ASTM A-312, A-554, A-778, A-790
Supply Condition
Solution–Annealed, pickled and passivated. Can be supplied in other conditions on requirement.
Application
Chemical & Petrochemical
Gas Industry
Power Generation
Mechanical and Plant Engineering
Marine Equipment's
Pulp & Paper
Pharmaceutical Industry

Manufacturing, Testing & Quality Assurance

Advanced Welded Tube Manufacturing

304LN Stainless Steel Welded Tubes are manufactured using high-quality stainless steel coils with controlled nitrogen alloying. Advanced forming and welding processes ensure uniform wall thickness, excellent weld integrity, and enhanced mechanical strength for demanding service conditions.

Inspection & Testing Procedures

Each welded tube undergoes comprehensive quality checks including weld seam inspection, Eddy Current Testing (ECT), dimensional verification, Positive Material Identification (PMI), and detailed visual examination to ensure consistent quality and long-term reliability.

Standards & Certifications

Our 304LN Stainless Steel Welded Tubes are manufactured in compliance with ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and applicable international standards, ensuring safety, performance consistency, and global acceptance across industrial and commercial applications.

Typical Applications

Food & Beverage Processing Equipment
Pharmaceutical & Biotechnology Plants
Chemical Processing & Storage Systems
Water Treatment & Distribution Lines
HVAC & Chilled Water Systems
Architectural & Decorative Structures
Automotive & Transport Fabrications
Dairy, Brewery & Sanitary Piping
General Industrial Fabrication

Looking for 304LN Stainless Steel Welded Tubes?

Connect with Seminox Pipes & Tubes for expert technical assistance, competitive pricing, and reliable global supply of premium 304LN stainless steel welded tubes for industrial, commercial, and structural 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

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