Duplex Steel Tube & Heat Exchanger Tube Manufacturer | Jiaxing MT Stainless Steel Co., Ltd.

Who We Are

MTSCO, established in 2006, has evolved into a leading industrial piping system provider based in Jiaxing, Zhejiang, China. We specialize in high-grade Duplex Steel Tubes, Heat Exchanger Tubes, Nickel Alloy Tubes, and a wide range of stainless steel products.

With a global footprint spanning over 100 countries, our mission is to deliver stable, high-quality products with efficient and professional service. Our advanced manufacturing capabilities and strict quality control ensure every product meets international standards.

ISO & PED Certified
OEM/ODM Support
Fast Global Delivery
24-Hour Technical Support

Our Premium Product Range

Explore our extensive catalog of industrial-grade steel and alloy tubing solutions, engineered for performance in extreme environments.

Duplex Steel Tube

High-strength, corrosion-resistant tubes ideal for offshore, chemical, and oil & gas applications. Grades: 2205, 2507, S31803.

ASTM A790 / A999

OD: 6–114mm | WT: 1–10mm

Seamless & Welded Options

Heat Exchanger Tube

Precision-engineered for thermal efficiency and durability. Used in power plants, refineries, and HVAC systems.

TP347 / TP347H / TP316L

OD: 6–50mm | Length: 6000mm

Bright Annealed Finish

Stainless Steel Coiled Tubing

Flexible, high-pressure coiled tubing for instrumentation, chemical control lines, and hydraulic systems.

TP316L / 304L

Diameter: 3–25mm

Max Length: 200m per coil

Nickel Alloy Tube

Superior resistance to acids, alkalis, and high-temperature environments. Ideal for petrochemical and aerospace sectors.

Alloy 625 / 825 / C276 / 600

UNS N06625, N08825, N10276

Seamless & Welded, BA Finish

Flanges & Pipe Fittings

Forged high-pressure fittings including weld neck flanges, blind flanges, and elbows. Precision-machined for reliability.

2205 Duplex, 316L, Alloy 625

ASME B16.5 / B16.47

Class 150–2500

Stainless Steel Seamless Pipe

Cold-drawn seamless pipes for critical applications requiring high pressure and temperature resistance.

ASTM A312 / A213

Length: 6000mm Standard

BA, Pickled, Polished Finishes

Instrument Tubing

Precision tubing for control systems, analyzers, and hydraulic instrumentation with tight dimensional tolerances.

316L / 304L / 6Mo

OD: 3–12.7mm

Smooth Internal Surface

Hydraulic Tubing

High-pressure hydraulic lines with excellent fatigue resistance and leak-free performance in mobile and industrial systems.

ASTM A269 / A554

Welded & Seamless Options

Polished or Bead-Blasted

View All 1259+ Products

Why Choose MTSCO?

We combine advanced engineering with global service excellence to deliver unmatched value.

Quality Guaranteed

ISO-certified processes and 100% traceable materials ensure consistent performance.

Global Support

Dedicated teams across time zones ensure fast response and technical assistance.

Custom Solutions

OEM/ODM services with custom dimensions, finishes, and packaging options.

Fast Delivery

Efficient logistics network enables rapid shipment to Europe, Americas, and Asia.

Success Stories

30 Tons N06625 Seamless Heat Exchange Tube Delivered to Europe

Successfully supplied high-spec Alloy 625 tubes for a major European refinery upgrade. All tubes passed stringent NDT and chemical verification, ensuring long-term reliability in aggressive chemical environments.

Completed

Alloy 825 Welded Coiled Tubing Project Success

Developed and delivered custom Alloy 825 coiled tubing for offshore chemical injection systems. Achieved perfect weld integrity and corrosion resistance under sour service conditions.

Completed

FPSO P80/P83 Supply for Petrobras Deepwater Project

MTSCO undertook a critical supply mission for Petrobras’s FPSO P80/P83 deepwater oil and gas platform, delivering duplex steel fittings on an accelerated timeline with full compliance to offshore standards.

Ongoing

What Our Clients Say

"Your fittings are excellent, my end user asked me if that is made in European market, jajaja."

— Mexico

"The parts I bought last year were excellent. We no longer have to clean them, ream the hole, or grind the ends. Ready to re-order!"

— Korea

"Fast reply and competitive price from MTSCO help me to win orders more and more!"

— Turkey

"You are one of the top suppliers in your area. I have an order on my desk — you are my first choice."

— United Arab Emirates

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