World Steel Asia | Premium Stainless, Duplex & Nickel Alloy Products

About CHONGQING WORLD STEEL

Located in Chongqing, the economic and financial hub of the upper Yangtze River, CHONGQING WORLD STEEL CO.,LTD has evolved into a diversified enterprise integrating R&D, international import/export trade, and warehousing. With over a decade of experience, we export more than 10,000 tons of stainless steel and alloy products annually to over 50 countries.

Our mission is to deliver high-performance materials that meet stringent international standards including ASTM, ASME, EN, and ISO. We serve industries such as energy, biomedical, chemical processing, food & beverage, and marine engineering.

10K+

Tons Exported Annually

10+

Years in Global Trade

Our Featured Products

High-quality steel and alloy products engineered for performance, corrosion resistance, and structural integrity across industrial applications.

Stainless Steel Seamless Pipe

ASTM A312, TP304/304L, TP316/316L, TP321, TP347 – Ideal for high-pressure systems and corrosive environments.

Welded Duplex Steel Pipe

S31803, S32750 – Superior strength and chloride resistance for offshore and chemical applications.

Butt Weld Fittings

Elbows (45°, 90°), Tees, Reducers – ASME B16.9, seamless and welded, in stainless and duplex grades.

Flanges

Slip-On, Weld Neck, Blind, Threaded – ANSI, DIN, JIS standards in carbon, stainless, and alloy steels.

Nickel Alloy 625

UNS N06625 – Exceptional resistance to oxidation, pitting, and crevice corrosion in aggressive environments.

Mirror Polish Food Tubing

304/316L sanitary pipe – Ra ≤ 0.4μm finish, ideal for pharmaceutical, food & beverage processing lines.

Heavy Wall Hollow Seamless Tube

Heavy Wall Seamless Tube

High-pressure applications in power plants, refineries, and mechanical systems. ASTM A213, A192.

Stainless Steel Square Tube

ASTM A511, A554 – Structural and architectural applications with excellent corrosion resistance.

Alloy 825 / 800H

UNS N08825, N08810 – High-temperature strength and resistance to reducing and oxidizing environments.

Forged Fittings

Socket weld, threaded fittings – ASME B16.11, high strength for critical piping systems.

310S Stainless Steel Pipe

High-temperature oxidation resistance – Ideal for thermal power plant furnaces and combustion systems.

Steel Bar & Rods

304, 316L, Monel 400, Inconel 625 – Cold drawn, hot rolled, precision ground for machining and fabrication.

View All 53+ Products

Why Choose World Steel Asia?

Certified Quality

ISO, ASTM, ASME, EN compliant. Full material traceability and test certifications provided.

Fast Global Delivery

Efficient logistics network with reliable delivery timelines across Asia, Europe, Americas, and Africa.

Customer-Centric Service

Dedicated team with 24-hour response time. Personal account managers for long-term partnerships.

Technical Expertise

In-house engineers provide material selection, application guidance, and custom solutions.

Frequently Asked Questions

What materials do you supply?

We supply Stainless Steel (304, 316L, 321, 310S, etc.), Duplex & Super Duplex (2205, 2507), Nickel Alloys (625, 825, 400, C-276), Steel Plates, Pipes, Tubes, Fittings, Flanges, and Bars.

Do you offer custom sizes and finishes?

Yes, we provide custom OD, WT, length, and surface finishes including mirror polish, pickled, and sandblasted based on application needs.

What certifications do you provide?

We provide Mill Test Certificates (MTC) as per EN 10204 3.1 or 3.2, and can comply with additional inspection requirements (3rd party, SGS, BV, etc.).

What is your delivery time?

Standard delivery is 15–30 days depending on order size and destination. Stock items ship faster.

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