Stainless Steel 316 Welded Tubes

Manufacturer & Stockist of Stainless Steel 316 Welded Tubes

Kamal Steels is a leading Manufacturer and Stockist of Stainless Steel 316 Welded Tubes, supplying premium-quality welded tubing solutions for chemical processing, marine engineering, pharmaceuticals, food processing, heat exchangers, petrochemical plants, oil & gas industries, and other corrosion-resistant applications. Manufactured from Stainless Steel 316 (UNS S31600 / WNR 1.4401), our welded tubes are produced in accordance with ASTM A249, ASTM A269, ASTM A270, ASTM A554, and ASME SA249 standards, ensuring outstanding dimensional accuracy, superior weld quality, excellent corrosion resistance, and dependable mechanical performance. The addition of molybdenum in Stainless Steel 316 provides enhanced resistance to pitting, crevice corrosion, and chloride-containing environments, making it suitable for demanding industrial applications.

Our Stainless Steel 316 Welded Tubes are manufactured using premium-quality stainless steel strips that are precision roll-formed and automatically welded using advanced TIG/ERW welding technology. The tubes are subsequently solution annealed, pickled, straightened, polished, and thoroughly inspected to achieve smooth surface finishes, excellent dimensional tolerances, and long service life. These welded tubes offer excellent resistance to aggressive chemicals, seawater, acids, and industrial process fluids, making them ideal for heat exchangers, condensers, pressure vessels, instrumentation systems, hydraulic lines, pharmaceutical equipment, food processing plants, and process piping systems.

At Kamal Steels, we maintain a comprehensive inventory of ASTM A249 Stainless Steel 316 Welded Tubes in various outside diameters, wall thicknesses, schedules, surface finishes, and custom lengths to meet urgent domestic and international project requirements. Every tube undergoes rigorous quality inspections, including Positive Material Identification (PMI), Chemical Analysis, Mechanical Testing, Hydrostatic Testing, Eddy Current Testing, Dimensional Inspection, Surface Finish Inspection, and Visual Inspection before dispatch. With certified quality, competitive pricing, export-standard packaging, and prompt worldwide delivery, Kamal Steels has established itself as a trusted manufacturer and supplier of Stainless Steel 316 Welded Tubes for critical industrial applications across global markets.

Stainless Steel 316 Welded Tubes

Why Choose Stainless Steel 316 Welded Tubes?

Stainless Steel 316 Welded Tubes are widely recognized for their exceptional corrosion resistance, superior mechanical strength, and outstanding durability in aggressive industrial environments. The addition of molybdenum significantly improves resistance to pitting, crevice corrosion, and chloride-induced attack, making Stainless Steel 316 an ideal material for marine, chemical processing, pharmaceutical, food processing, and offshore applications. Manufactured using premium-quality stainless steel strips and advanced TIG/ERW welding technology, these tubes provide excellent dimensional accuracy, smooth surface finishes, and dependable long-term performance.

One of the major advantages of Stainless Steel 316 Welded Tubes is their excellent resistance to corrosive chemicals, saltwater, acids, alkalis, and industrial process fluids. They also exhibit excellent weldability, fabrication characteristics, and mechanical properties, allowing easy forming, bending, machining, and installation across various industrial systems. Their hygienic surface finish and outstanding corrosion resistance make them particularly suitable for pharmaceutical manufacturing, food processing equipment, dairy plants, breweries, heat exchangers, condensers, petrochemical facilities, and marine engineering applications.

At Kamal Steels, we manufacture and supply premium-quality ASTM A249 Stainless Steel 316 Welded Tubes produced according to international quality standards. Every welded tube undergoes comprehensive quality inspections, including Mechanical Testing, Chemical Analysis, Positive Material Identification (PMI), Hydrostatic Testing, Eddy Current Testing, Dimensional Inspection, Surface Finish Inspection, and Visual Inspection to ensure exceptional product quality, reliability, and complete customer satisfaction.

Features & Benefits of Stainless Steel 316 Welded Tubes

  • Excellent resistance to pitting and crevice corrosion.
  • Superior corrosion resistance in chloride-rich and marine environments.
  • Excellent resistance to chemicals, acids, and industrial process fluids.
  • Outstanding weldability and fabrication characteristics.
  • High mechanical strength and excellent toughness.
  • Superior dimensional accuracy and uniform wall thickness.
  • Smooth internal and external surface finish.
  • Excellent hygienic properties for sanitary applications.
  • Available in various sizes, finishes, and custom lengths.
  • Supplied with complete material traceability and EN 10204 3.1 certification.
  • Long service life with low maintenance requirements.
  • Ideal for marine, pharmaceutical, food processing, petrochemical, and chemical processing industries.

Available Types, Sizes & Specifications of Stainless Steel 316 Welded Tubes

Kamal Steels supplies Stainless Steel 316 Welded Tubes in a comprehensive range of dimensions, schedules, surface finishes, and international specifications to meet the requirements of marine engineering, chemical processing, pharmaceuticals, food processing, petrochemical plants, heat exchangers, and other corrosion-resistant industrial applications. Our welded tubes are manufactured with stringent quality control to ensure superior weld integrity, excellent dimensional accuracy, and dependable long-term performance.

Specifications ASTM A249, ASTM A269, ASTM A270, ASTM A554, ASME SA249, ASME SA269
Standard ASTM, ASME, DIN, EN, ISO, JIS
Material Grade Stainless Steel 316 (UNS S31600 / WNR 1.4401)
Outside Diameter 6.35 mm to 219.10 mm (1/4" NB to 8" NB)
Wall Thickness 0.5 mm to 12.7 mm (SCH 5S to SCH XXS)
Length Single Random, Double Random, 6 Meter, 12 Meter & Custom Cut Lengths
Tube Form Round, Square, Rectangular, Hydraulic, Instrumentation
Surface Finish Annealed, Pickled, Bright Annealed (BA), Polished, Mirror Polish, Satin Finish
End Finish Plain End, Beveled End, Threaded End
Manufacturing Process TIG Welded, ERW Welded, Cold Drawn & Annealed
Testing PMI, Hydrostatic Test, Eddy Current Test, Ultrasonic Test, Mechanical Test, Chemical Analysis
Certification EN 10204 3.1 / 3.2 Mill Test Certificate (MTC)

Chemical Composition of Stainless Steel 316

Element Composition (%)
Chromium (Cr)16.00 – 18.00
Nickel (Ni)10.00 – 14.00
Molybdenum (Mo)2.00 – 3.00
Carbon (C)0.08 Max
Manganese (Mn)2.00 Max
Silicon (Si)1.00 Max
Phosphorus (P)0.045 Max
Sulfur (S)0.030 Max
Iron (Fe)Balance

Mechanical Properties of Stainless Steel 316 Welded Tubes

Property Value
Tensile Strength 515 MPa Minimum
Yield Strength 205 MPa Minimum
Elongation 40% Minimum
Hardness 217 HB Max
Density 8.00 g/cm³

Equivalent Grades of Stainless Steel 316

Standard Equivalent Grade
UNS S31600
Werkstoff No. 1.4401
EN X5CrNiMo17-12-2
DIN 1.4401
JIS SUS 316

Applications of Stainless Steel 316 Welded Tubes

Stainless Steel 316 Welded Tubes are extensively used in industries where superior corrosion resistance, excellent mechanical strength, and long-term reliability are essential. The addition of molybdenum provides outstanding resistance to pitting, crevice corrosion, and chloride-containing environments, making these welded tubes ideal for aggressive chemical and marine applications. They offer excellent durability, hygienic properties, and dependable performance while reducing maintenance costs in demanding industrial environments.

  • Chemical Processing Plants
  • Marine & Offshore Engineering
  • Pharmaceutical Manufacturing
  • Food & Beverage Processing
  • Dairy & Brewery Industries
  • Heat Exchangers & Condensers
  • Petrochemical Plants
  • Oil & Gas Industries
  • Water Treatment & Desalination Plants
  • Instrumentation & Process Piping
  • Pressure Vessels
  • General Industrial Fabrication

Inspection & Testing of Stainless Steel 316 Welded Tubes

At Kamal Steels, every Stainless Steel 316 Welded Tube undergoes comprehensive inspection and testing to ensure compliance with ASTM, ASME, and customer specifications. Each welded tube is carefully inspected for chemical composition, weld integrity, dimensional accuracy, mechanical properties, surface quality, and overall product performance before dispatch.

  • Positive Material Identification (PMI)
  • Chemical Composition Analysis
  • Mechanical Property Testing
  • Hydrostatic Testing
  • Eddy Current Testing (ECT)
  • Ultrasonic Testing (UT)
  • Dimensional Inspection
  • Surface Finish Inspection
  • Visual Inspection
  • Flattening & Flaring Tests
  • Third-Party Inspection Available on Request

Packaging, Marking & Documentation

Kamal Steels follows international export packaging standards to ensure that Stainless Steel 316 Welded Tubes reach customers safely without damage during transportation and storage. Tubes are protected with plastic end caps, securely bundled, wrapped with protective materials, and packed in fumigated wooden boxes, export-quality wooden crates, or pallets to prevent moisture, scratches, dents, and transit damage.

Each welded tube is permanently marked with the material grade, specification, size, schedule, heat number, manufacturer's identification, and batch details for complete material traceability. Every shipment is supplied with EN 10204 3.1/3.2 Mill Test Certificates, inspection reports, packing lists, commercial invoices, certificates of compliance, and third-party inspection certificates whenever requested, ensuring complete documentation for domestic and international industrial projects.

Why Choose Kamal Steels for Stainless Steel 316 Welded Tubes?

Kamal Steels is a trusted manufacturer, supplier, stockist, and exporter of Stainless Steel 316 Welded Tubes, supplying premium-quality stainless steel tubing solutions for marine engineering, chemical processing, pharmaceutical manufacturing, food processing, petrochemical plants, oil & gas industries, and other corrosion-resistant applications. Manufactured according to ASTM and ASME standards, our welded tubes provide exceptional corrosion resistance, superior weld quality, excellent mechanical strength, and dependable long-term performance in demanding industrial environments.

We maintain a comprehensive inventory of ASTM A249 Stainless Steel 316 Welded Tubes in various outside diameters, wall thicknesses, schedules, surface finishes, and custom lengths to meet urgent domestic and international project requirements. Every welded tube undergoes comprehensive quality inspections, including Positive Material Identification (PMI), Chemical Analysis, Mechanical Testing, Hydrostatic Testing, Ultrasonic Testing, Eddy Current Testing, Dimensional Inspection, Surface Finish Inspection, and Visual Inspection to ensure complete compliance with international quality standards and customer specifications.

With decades of manufacturing expertise, ready stock availability, competitive pricing, certified quality, export-standard packaging, and a strong global supply network, Kamal Steels has become the preferred manufacturer and supplier of Stainless Steel 316 Welded Tubes across international markets. Our commitment to quality, technical support, prompt delivery, and complete documentation enables us to provide dependable stainless steel tubing solutions for the most demanding industrial applications worldwide.

Why Industries Trust Kamal Steels

  • Leading manufacturer, supplier, stockist, and exporter of Stainless Steel 316 Welded Tubes.
  • Large ready stock for immediate domestic and international supply.
  • Manufactured according to ASTM A249, ASTM A269, ASTM A270, ASTM A554, ASME SA249, and ASME SA269 standards.
  • Molybdenum-bearing grade with excellent resistance to pitting and crevice corrosion.
  • Superior performance in marine, chemical, and chloride-containing environments.
  • Comprehensive quality inspection before every shipment.
  • EN 10204 3.1/3.2 Mill Test Certificates with complete material traceability.
  • Competitive pricing with consistent product availability.
  • Export-standard packaging for safe worldwide transportation.
  • Prompt worldwide delivery with complete export documentation.

Frequently Asked Questions

Stainless Steel 316 Welded Tubes are molybdenum-bearing austenitic stainless steel tubes manufactured using advanced welding technology. They are designed for applications requiring superior corrosion resistance, especially in chloride-rich and marine environments.

Our Stainless Steel 316 Welded Tubes are manufactured according to ASTM A249, ASTM A269, ASTM A270, ASTM A554, ASME SA249, and ASME SA269 standards.

These welded tubes provide excellent resistance to pitting, crevice corrosion, chloride attack, chemicals, seawater, and corrosive process fluids while offering excellent weldability and long service life.

They are widely used in marine engineering, chemical processing plants, pharmaceutical manufacturing, food processing industries, petrochemical plants, oil & gas industries, heat exchangers, and water treatment facilities.

Stainless Steel 316 contains 2–3% molybdenum, providing significantly better resistance to pitting, crevice corrosion, and chloride-containing environments than Stainless Steel 304, making it suitable for marine and chemical applications.

Each tube undergoes PMI Testing, Chemical Analysis, Mechanical Testing, Hydrostatic Testing, Ultrasonic Testing (UT), Eddy Current Testing (ECT), Dimensional Inspection, Surface Finish Inspection, and Visual Inspection.

Yes. Every shipment includes EN 10204 3.1/3.2 Mill Test Certificates, inspection reports, complete material traceability, and third-party inspection certificates upon request.

Yes. Kamal Steels supplies Stainless Steel 316 Welded Tubes in various diameters, wall thicknesses, surface finishes, standard lengths, and custom-cut lengths according to customer specifications.

Yes. We export Stainless Steel 316 Welded Tubes worldwide with export-standard packaging, complete documentation, and timely international delivery.

Kamal Steels offers ASTM-compliant Stainless Steel 316 Welded Tubes with ready stock, certified quality, competitive pricing, stringent quality control, export-standard packaging, complete documentation, and dependable worldwide delivery for critical corrosion-resistant industrial applications.