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ABS, BV, CCS, DNV, LR Certificated Factory of
Seamless Pipe and Tube

Premium manufacturer of stainless steel, duplex, alloy, and nickel alloy pipes & tubes for Oil & Gas, LNG, Petrochemical, Nuclear Power, and more.

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About Xintongda Special Steel

A comprehensive enterprise focusing on smelting, piercing, and pipe production with over 20 cold-drawn and cold-rolled production machines achieving 25,000 tons annual output.

Xintongda Factory

Quality Management

We use international production facilities to produce high-quality steel products that meet international standards such as ASTM A312, A213, A269, A789, A790, and more.

Business Philosophy

Strive to improve product quality and optimize product supply capacity.

Corporate Culture

Do business with integrity. The standardized management system ensures the production and processing strength of Xintongda.

20,000+
Factory Area (m²)
30+
Patents
2
Production Bases
25,000
Annual Output (Tons)

Our Products & Services

High-performance steel solutions for demanding industrial applications

Nickel Alloy Pipes

Nickel Alloy Pipes & Tubes

Including Hastelloy, Monel, Inconel, and Incoloy for extreme corrosion resistance in high-temperature environments.

  • • ASTM B622, B619, B564
  • • Seamless & welded options
  • • High-pressure applications
Duplex Stainless Steel

Duplex & Super Duplex Stainless Steel

Superior strength and corrosion resistance for offshore, chemical, and desalination applications.

  • • 2205, 2507, Zeron 100
  • • High chloride resistance
  • • Seamless & welded
Austenitic Stainless Steel

Austenitic Stainless Steel

High-quality 304/304L, 316/316L, 321, 347 pipes and tubes for general and high-temperature service.

  • • ASTM A312, A213, A269
  • • Cold drawn & hot finished
  • • Wide size range
Alloy Steel Pipe

Alloy Steel Pipe & Tube

Chrome-moly and low-alloy steels for high-temperature and high-pressure applications.

  • • ASTM A335, A213
  • • P11, P22, P91, T91
  • • Heat exchanger tubes
Flanges

Flanges

Forged and plate flanges in stainless, duplex, and alloy materials for piping systems.

  • • ANSI, DIN, JIS standards
  • • Weld neck, slip-on, blind
  • • Custom dimensions
Fittings

Fittings

Elbows, reducers, tees, and caps for seamless integration into piping systems.

  • • 90°, 45° elbows
  • • Concentric & eccentric reducers
  • • Equal & reducing tees
Valves

Valves

Forged steel valves including ball, gate, globe, check, and butterfly types.

  • • API, ANSI, DIN standards
  • • High-pressure ratings
  • • Cryogenic & high-temp
Coil, Sheet, Plate

Coil, Sheet & Plate

Precision-rolled stainless, duplex, and alloy steel flat products.

  • • Cold rolled & hot rolled
  • • 2B, BA, No.1 finishes
  • • Custom thickness & width
Bar & Rod

Bar & Rod

Hot and cold finished bars in stainless, duplex, and nickel alloys.

  • • Round, hex, square
  • • ASTM A276, A479
  • • Precision ground
Custom Solutions

Custom Fabrication

Tailored solutions including machining, bending, and assembly services.

  • • OEM & ODM support
  • • Prototype development
  • • Small to large batches
View Full Product Catalog

Industries We Serve

Reliable materials for the world's most demanding environments

Desalination

Corrosion-resistant materials for seawater treatment systems.

Shipping

High-integrity piping for marine and offshore platforms.

Oil & Gas

API-compliant materials for upstream, midstream, and downstream.

Nuclear Power

High-purity, high-reliability components for critical systems.

LNG

Cryogenic-grade materials for liquefaction and storage.

Petrochemical

High-temperature and high-pressure piping solutions.

Defence

Mission-critical components meeting strict quality standards.

Mining & Minerals

Durable materials for aggressive chemical processing.

Global Certifications

Our products meet the highest international standards

We have passed the certificates of PED, AD2000, GOST, BV, ISO9001, ISO14001, ISO45001 and are certified by:

ABS
BV
CCS
DNV
LR

Lloyd's Register Certification • DNV Certificates • PED Compliance • ISO Management Systems

Latest News

Stay updated with our latest achievements and industry participation

April 11, 2025

Lloyd's Register Certification

Xintongda Special Steel successfully passed the Lloyd's Register certification audit, reinforcing our commitment to quality and safety.

April 09, 2025

DNV Certificates

We are proud to announce the renewal of our DNV certification, ensuring compliance with marine and offshore standards.

November 14, 2025

Customization Excellence

Cover story: Xintongda Special Steel reaches new heights of customization for complex industrial projects.

July 25, 2025

ADIPEC 2025

Join us at ADIPEC Exhibition & Conference 2025 for oil and gas – showcasing our latest innovations.

April 03, 2025

CSSOPE 2025

Participating in China Petrochemical Equipment Procurement Summit & Exhibition 2025.

March 17, 2025

Tube Middle East Africa

Representing at Metal & Steel Egypt 2025 – connecting with global partners.

Get in Touch

Contact our export department for inquiries, quotes, and technical support.

Email

admin@xtd-ss.com

Phone

+86-577-88877003 (export department)

Address

No. 209 Ruiyang Road, Xiping Street, Songyang County, Lishui City, Zhejiang Province, 323400, China

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