Qingdao Jiuguang Metal Products Co., Ltd.
Qingdao Jiuguang Metal Products Co., Ltd.

Trusted Welded Stainless Steel Tube Manufacturer & Custom Supplier From China

As a professional stainless steel tube manufacturer with over 20 years of experience, we specialize in producing high-precision welded stainless steel tubes for global distributors, contractors, and fabrication companies.

Our factory operates advanced TIG/laser welding lines, polishing machines, and automatic forming equipment to ensure consistent tube quality, smooth welding seams, and accurate dimensions.
We support OEM/ODM customization with fast global delivery.

Available Shapes & Sizes

We offer welded stainless steel tubes in a full range of shapes, dimensions, wall thicknesses, and finishes to meet different structural and decorative requirements.

Available Shapes

  • Round Welded Stainless Steel Tube
    Smooth welding, suitable for handrails, machinery, pipe systems.

  • Square Welded Stainless Steel Tube
    High structural strength for frames, supports, and architectural uses.

  • Rectangular Welded Stainless Steel Tube
    Ideal for furniture, door/window structures, and construction elements.

  • Oval & Special Shaped Tubes
    Custom extrusion and forming options for design-oriented applications.

  • Special Shape & Custom Tubes

    We provide high-precision special shape and custom stainless steel tubes including triangle, hexagonal, D-shape, and other non-standard profiles. OEM & ODM customization available with surface treatment, cutting, and packaging options.

  • Ovalne i eliptične cijevi od nehrđajućeg čelika

    Vodeći dobavljač ovalnih i eliptičnih cijevi od nehrđajućeg čelika u raznim legurama. Idealno za arhitekturu, automobilsku industriju i industriju namještaja. Nudimo prilagođene dimenzije, završne obrade i oblike kako bismo zadovoljili specifične potrebe projekta.

  • Rectangular Stainless Steel Tubes

    High Strength: Designed for demanding structural and mechanical applications.

    Corrosion Resistance: Built to withstand harsh environmental conditions, offering superior protection against rust and wear.

    Customizable Sizes: Available in a wide range of dimensions, wall thicknesses, and finishes to meet your specific requirements.

    Precision Engineering: Manufactured to tight tolerances, ensuring consistent performance across all products.

    Wide Range of Applications: Perfect for use in architectural design, exterior and interior railings, automotive parts, furniture structures, and more.

  • Okrugle cijevi od nehrđajućeg čelika

    Tražite li visokokvalitetne okrugle čelične cijevi? Mi smo pouzdan proizvođač i izvoznik okruglih zavarenih/bezšavnih cijevi od nehrđajućeg čelika u Kini. Naši proizvodi nude vrhunsku čvrstoću, otpornost na koroziju i precizne dimenzije. Dostupne OEM i prilagođene usluge.

Product Features

Our stainless steel tubes are engineered for maximum durability, precision, and versatility, ensuring they meet the rigorous demands of various industries. Here are the key features that make our stainless steel tubes stand out

  • Customizable Sizes & Shapes

    Round, square, and rectangular welded stainless steel tubes with customized dimensions, wall thicknesses, and surface treatments.

  • Smooth Welding Seam

    Advanced TIG/Laser welding ensures consistent, clean seams with excellent mechanical strength.

  • High Dimensional Accuracy

    Automated forming lines deliver precise tolerances, straightness, and stable tube geometry for engineering applications.

  • Corrosion & Weather Resistance

    Made from high-quality stainless steel (304/316/201/430) suitable for outdoor, marine, and industrial environments.

  • Produced using precise TIG or laser welding, our welded stainless steel tubes maintain exceptional seam strength while minimizing deformation. The uniform weld bead improves structural reliability, making them suitable for construction, handrails, machinery frames, and other load-bearing applications.
  • Post-weld annealing and multi-stage polishing enhance corrosion resistance and surface stability. This treatment ensures cleaner weld zones, reduces stress concentration, and provides a smoother finish—ideal for decorative projects and high-precision fabrication requirements.

Specifications & Grades

We provide custom services for a wide range of stainless steel pipe products to meet various specifications.

ParameterDetails
Outer Diameter6mm – 630mm
Debljina zida0.5mm – 30mm
LengthUp to 12 meters or cut-to-length
Steel Grades201 / 202 / 304 / 304L / 304H / 309 / 309S / 310 / 310S / 316 / 316L / 317 / 317L / 321 / 321H / 347 / 347H / 409 / 410S / 416 / 420 / 430 / 439 / 440 / 444 / 446 / 2205 / 2507 / S31803 / S32205 / S32750 / S32760 / 253MA / 254SMO / 904L/etc.
Finish2B, BA, Mirror, Pickled, Satin,DP, HR ,No.1 ,HL ,No.4 ,No.8
StandardASTM A312 / A213 / A269 / DIN / EN/GB /AISI /JIS/GOST/BS
CertificatesISO, SGS, TÜV, WTRUST, Lloyd’s Register, and DNV

The specifications are subject to change in real-time. For up-to-date information, please contact us.

Applications

Our stainless steel tubes are engineered for a wide range of applications across diverse industries.

Our high-quality stainless steel tubes are designed to meet the specific demands of each sector, offering customized solutions for a variety of functional and aesthetic needs.

  • Architecture

    Handrails, curtain walls, supports

  • Automotive

    Exhaust pipes, fuel lines, frame tubing

  • Industrial

    Heat exchangers, oil & gas pipelines

  • Furniture

    Tubular legs, frames, display systems

  • Food & Pharma

    Hygienic stainless tubing systems

Customization Options

We support full customization of Stainless Steel Tube

  • Custom shape and cross-section

  • Material grade options

  • Precision cutting and end treatments

  • Mirror polishing, satin finish, or pickled surface

  • Custom threads, holes, notches for installation needs

  • Sample or drawing-based production

Need Precision Stainless Steel Tubes?

We manufacture seamless stainless steel tubes in any shape, size, or finish – round, square, oval, and more.

Tell us what you need. We’ll respond within 12 hours with a custom solution.

  • Quality Assurance

    • 100% raw material chemical composition test

    • Weld seam integrity inspection

    • Flattening, tensile, and hardness testing

    • Surface roughness & polishing control

    • Dimensional accuracy measurement

    • Factory ISO9001 quality system

    • Third-party inspection available (SGS/TUV/BV)

  • Packing & Delivery

    • Waterproof film

    • Woven bags

    • Steel bundles

    • Anti-rust oil (optional)

    • Pallet packaging for container loading

    • Customized export packing upon request

    Global shipping options include sea freight, rail freight, and air delivery for urgent orders.

What our users say about us

We will be user-centric and develop satisfactory products

​Thomas

“Your Stainless Steel Tube are better than our previous suppliers. Consistent wall thickness and fast delivery.”

 – Buyer from Germany
​Ethan​

“Reliable packaging and great welding compatibility. Will reorder soon.”

 – Project manager in UAE
​John​

“We appreciate the dimensional precision and on-time response.”

 – Machinery OEM in Canada
Peter

“Your Stainless Steel Tube are consistently precise and well-packaged. They’ve become our go-to supplier.”

 – USA Buyer
​Leon​

“Appreciate your responsiveness and willingness to customize as per our drawing.”

 – OEM in Germany
Stella​

“We used your oval tubes for our high-end furniture lines. Excellent finish and tolerance.”

 – Design Firm, Italy

FAQs – Stainless Steel Tubes

  • What is the difference between welded and seamless stainless steel tubes?

    Welded tubes have better surface finish and lower cost, suitable for decorative and structural uses.

  • Can you customize the size and finish?

    Yes, all sizes, wall thicknesses, and finishes can be customized.

  • Do you offer certifications?

    ISO9001, SGS, TUV, ASTM reports are available.

  • What grade should I use for outdoor applications?

    316/316L stainless steel is recommended.

  • Do you supply small quantities for testing or trial orders?

    Yes. Small-batch and prototype orders are welcome.We usually ship within 7-15 days.

  • 316/316L stainless steel is recommended.

    Yes, samples are available before bulk order confirmation.

Get Your Stainless Steel Tube Quote Today

Why choose us?

  • ISO, SGS, TÜV, WTRUST, Lloyd’s Register, and DNV.
  • Customizable sizes, grades, and surface finishes
  • Full material traceability and inspection reports
  • Responsive support and fast global delivery

 

Looking for a reliable Stainless Steel Tube supplier? We manufacture exactly what you need — with verified quality, expert support, and global delivery. Send your inquiry and receive a fast, accurate quote within 12 hours.

Get a Quote for Stainless Steel Tubes

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    Odgovorit ćemo vam u roku od 24 sata. Ako je hitan slučaj, molimo dodajte WhatsApp/WeChat: +86-15053272126,. Ili nazovite +86-15053272126 izravno.

    Poštujemo vašu povjerljivost i sve informacije su zaštićene. Vaše podatke ćemo koristiti isključivo da bismo odgovorili na vaš upit i nikada nećemo slati neželjenu e-poštu ili promotivne poruke.