WH-STEEL CO., LTD | Premium Steel Fittings & Pipeline Solutions

About WH-STEEL

WH-STEEL CO., LTD has been a trusted name in the pipeline industry for over two decades. With a strong commitment to innovation, quality, and sustainability, we specialize in manufacturing high-performance steel fittings and pipeline solutions used across oil & gas, petrochemical, power generation, and marine sectors.

Our mission is to support the dual carbon goals through green development and advanced manufacturing technologies. We combine traditional craftsmanship with modern automation to deliver products that meet or exceed domestic and international standards.

20+ Years of Industry Experience
Full Process Production from Forging to Machining
Annual Output of 40,000 Tons of Flanges
Global Presence with Offices in China, Singapore, UAE, and Uzbekistan

Advanced Manufacturing Capabilities

Equipped with state-of-the-art machinery and automated systems, WH-STEEL ensures precision, consistency, and scalability in every product we manufacture.

Flange Production

Full-process flange manufacturing from forging to precision machining. Annual output: 40,000 tons. Meets ASME, DIN, JIS, and other international standards.

Forging Fittings

Production of elbows, bends, reducers, and pipe caps with strict adherence to global specifications. Custom sizes and materials available.

Weld Overlay Technology

Specialized in large-diameter straight seam double-sided submerged arc welded steel pipes, ideal for high-pressure and corrosive environments.

Prefabrication

Custom prefabricated pipeline assemblies including composite fittings, valves, and underwater forgings. Supports personalized design and rapid deployment.

Internal & External Coatings

Protective coatings for enhanced durability and resistance to corrosion, abrasion, and extreme temperatures.

LSAW Steel Pipe

Longitudinal Submerged Arc Welded (LSAW) pipes for critical infrastructure projects requiring high strength and reliability.

Our Product Range

Comprehensive portfolio of steel fittings designed for performance, durability, and compliance.

PL Flange (Plate Flange)

Ideal for flat surface connections in low-pressure systems. Simple design, easy installation, widely used in water and air pipelines.

Standards: ASME B16.5, DIN, JIS

WN Flange (Weld Neck Flange)

Designed for high-pressure and high-temperature applications. Provides excellent stress distribution and long-term reliability.

Standards: ASME B16.5, API 6A

SO Flange (Socket Weld Flange)

Used in small-bore, high-pressure piping systems. Offers good fatigue resistance and secure joint integrity.

Sizes: DN15–DN300

BL Flange (Blind Flange)

Seals the end of a piping system or vessel. Used for inspection, pressure testing, or future expansion.

Pressure Classes: 150–2500#

Spectacle Blind Flange

Dual-function device used to isolate or allow flow in a pipeline. Commonly used in maintenance and safety systems.

Material: Carbon Steel, Stainless Steel

Forged Elbow (90°, 45°)

High-strength forged elbows for critical pipeline routing. Available in various radii and materials.

Standards: ASME B16.9, MSS SP-75

Concentric & Eccentric Reducers

Connect pipes of different diameters. Eccentric type prevents air pockets; concentric ensures smooth flow transition.

Sizes: DN50–DN1200

Pipe Cap

Seals the end of a pipe run. Forged or fabricated options available for high-pressure and corrosive environments.

Types: Forged, Welded, Threaded

LSAW Steel Pipe

Longitudinal Submerged Arc Welded pipes for oil & gas transmission, structural piles, and offshore platforms.

Diameter: Up to 2000mm

Weld Overlay Fittings

Clad with corrosion-resistant alloys for use in aggressive environments such as sour gas and seawater.

Overlay Materials: 316L, 625, C276

Frequently Asked Questions

What materials do you offer?

We manufacture fittings in carbon steel (A105, A350 LF2), stainless steel (304, 316, 321), alloy steel (F11, F22), and duplex/super duplex grades. Custom materials available upon request.

Do you provide custom fabrication?

Yes, we support personalized customization for dimensions, materials, coatings, and assembly configurations. Our engineering team works closely with clients to meet exact project requirements.

What certifications do you hold?

WH-STEEL complies with ISO 9001, API 6A, CE, and other international standards. Our products are tested and certified to meet ASME, ANSI, DIN, JIS, and GB specifications.

How can I track my order?

Registered customers can use the Order Tracking system on our official website to monitor production and shipping status in real time.

Do you offer technical support?

Yes, our engineering team provides technical consultation, drawing review, and application support. Use the Online Drawing Generator for quick design validation.

Get in Touch

Reach out to WH-STEEL for quotes, technical inquiries, or partnership opportunities.

Contact Information

Cangzhou Production Base

Zhenggang Industrial Zone, Yanshan County, Cangzhou City, Hebei Province, China

Beijing Marketing Center

4th Floor, Fuhua Hongyan Building, Hongyan South 1st Road, Chaoyang District, Beijing

Sales Branch in Jinan

4th Floor, Building 2, Shuntai Plaza, High-tech Zone, Jinan, Shandong Province

+86 157 2731 7311 (DONY)

[email protected]

+86 157 2731 7311

Send Us a Message

For inquiries, please visit our official website to submit your request. We aim to respond within 24 hours.

Visit Official Website

Complaint Hotline:

Email: [email protected] (Anti-Corruption)

Email: [email protected] (Human Rights)

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