Global Supplier of Welded Stainless Steel Tubing

Welded stainless steel tubing plays a critical role in modern industrial, construction, and engineering applications. Compared with other metal tubing solutions, welded stainless steel tubing offers an excellent balance of corrosion resistance, mechanical strength, dimensional stability, and cost efficiency.
As a trusted global supplier, Quanshuo Metal focuses on delivering professional-grade welded stainless steel tubing that meets international standards and demanding project requirements.

What Is Welded Stainless Steel Tubing?

Welded stainless steel tubing is manufactured by forming stainless steel strip or coil into a tubular shape and welding the seam using advanced welding technologies. After welding, the tube is sized, straightened, and finished to achieve precise dimensions and reliable performance.

Compared with seamless tubing, welded stainless steel tubing offers:

More stable dimensional tolerance

Better surface finish options

Wider size availability

More competitive pricing for large-volume projects

This makes it a preferred choice for structural, mechanical, and fluid-handling systems worldwide.

Advanced Manufacturing Technology Ensuring Product Reliability

At Quanshuo Metal, every welded stainless steel tubing product is manufactured under strict technical control to ensure consistency and durability.

Our production process includes:

Selection of high-quality stainless steel coils

Precision roll forming for excellent roundness and straightness

ERW and TIG welding processes to ensure strong and uniform weld seams

Online annealing to restore corrosion resistance in the weld area

Accurate sizing and straightening for tight tolerances

This professional manufacturing approach ensures that our welded stainless steel tubing performs reliably in long-term service.

Stainless Steel Grades and Technical Specifications

We supply a wide range of welded stainless steel tubing grades to meet different operating environments:

Available grades include:

AISI 304 / 304L – general corrosion resistance

AISI 316 / 316L – improved resistance for marine and chemical environments

AISI 321 – stabilized grade for high-temperature applications

AISI 310S – heat-resistant stainless steel

Size range:

Outer diameter: 6mm – 508mm

Wall thickness: 0.5mm – 12mm

Length: standard 6m / 12m or customized

Supported standards:

ASTM A249 / A269 / A554

EN 10217 / EN 10296

JIS G3446

DIN standards

Weld Seam Treatment and Surface Finish Options

The weld seam quality is a key performance factor of welded stainless steel tubing. We apply multiple treatment methods to ensure reliability and cleanliness.

Weld seam options:

Online annealed weld seam

Smooth internal weld bead

Weld bead removal for precision and sanitary applications

Surface finishes available:

Mill finish

Pickled and passivated

Polished finishes (180G / 240G / 320G / 400G)

These options allow our welded stainless steel tubing to meet both functional and aesthetic requirements.

Application Areas of Welded Stainless Steel Tubing

Thanks to its versatility, welded stainless steel tubing supplied by Quanshuo Metal is widely used in:

Industrial piping and fluid transportation systems

Structural and mechanical engineering projects

Food processing and sanitary installations

Chemical and petrochemical equipment

Architectural decoration, handrails, and frames

Correct material selection ensures optimal performance and extended service life.

Large Inventory and Stable Supply Capacity

We maintain over 5000 tons of welded stainless steel tubing inventory, covering popular sizes and grades.
This strong stock capacity allows us to:

Respond quickly to inquiries

Support small trial orders

Ensure stable supply for long-term contracts

Reduce lead times for urgent projects

Stable inventory is a key advantage for international buyers.

Strict Quality Control and Certification

Quality inspection is implemented throughout the entire process:

Chemical composition analysis

Weld seam non-destructive testing (NDT)

Dimensional accuracy and straightness inspection

Mechanical property testing

Documents available include:

Mill Test Certificate (EN 10204 3.1)

Third-party inspection reports (SGS, BV, TUV)

Every shipment of welded stainless steel tubing is fully traceable.

Global Export Experience to 50+ Countries

With more than 10 years of export experience, Quanshuo Metal has supplied welded stainless steel tubing to over 50 countries and regions worldwide.

We offer:

FOB / CFR / CIF Incoterms

Full container and LCL shipments

Professional seaworthy packaging with rust protection

Our export team ensures smooth communication and on-time delivery.

Why Choose Quanshuo Metal as Your Welded Stainless Steel Tubing Supplier?

✔ Professional manufacturing and technical support
✔ Wide size and grade coverage
✔ 5000+ tons ready stock
✔ Strict quality inspection system
✔ Competitive pricing and reliable delivery

We aim to build long-term partnerships with global customers.

Contact Us for Welded Stainless Steel Tubing

If you are looking for a professional welded stainless steel tubing manufacturer and exporter, Quanshuo Metal is ready to support your business.
Contact us today for technical consultation, fast quotation, and customized supply solutions.

📩 Send your inquiry now and start cooperation with a reliable stainless steel tubing supplier.

Telephone: +86 14737199137

Email: info@qsfullmetal.com

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