Alloy Seamless Steel Pipes & High Pressure Fittings

Top Selling Products

12m Length ASTM A335 P22 Pipe

Alloy Steel Boiler Tube, 120mm Thickness – Ideal for high-temperature environments in power plants and refineries.

• Standard: ASTM A335
• Material: P22 Alloy Steel
• Length: 12 meters
• Application: Oil Refining, Power Generation

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ASTM A335 P91 High Pressure Seamless Boiler Pipe

High-strength alloy seamless steel pipe designed for superheater and reheater tubes in thermal power stations.

• Standard: ASTM A335 P91
• Type: Seamless Alloy Steel
• Pressure Rating: High
• Certification: ISO, CE

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ASTM A179 Alloy Seamless Steel Pipe – Galvanized

Cold-drawn seamless tube with galvanized finish for enhanced corrosion resistance in oil refining and chemical plants.

• Standard: ASTM A179
• Finish: Galvanized
• Application: Oil Refining
• Type: Seamless Tube

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Long Radius Steel Pipe Elbow – 90° ASTM A420 WPL6

Butt-welding elbow with long radius design for smooth flow and reduced turbulence in pipeline systems.

• Angle: 90 Degree
• Standard: ASTM A420 WPL6
• Connection: Butt Weld
• Material: Low-Temp Carbon Steel

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ISO Certified Equal Tee Pipe Fitting – A234 WPB

Butt-weld reducing tee with ISO certification, suitable for high-pressure fluid transportation systems.

• Standard: A234 WPB
• Type: Equal Tee
• Certification: ISO
• Connection: Butt Weld

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26 Inch Nickel Alloy Flanges – B16.47 Series ASTM B564 UNS N04400

Large-diameter flanges made from corrosion-resistant nickel alloy for offshore and chemical processing applications.

• Size: 26 Inch
• Standard: B16.47, ASTM B564
• Material: UNS N04400
• Application: High Corrosion Environments

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Concentric Eccentric Alloy Steel Reducer – SA234 WP12/WP11/WP22

Precision-engineered reducers for connecting pipes of different diameters in high-pressure systems.

• Standards: SA234 WP12, WP11, WP22
• Types: Concentric & Eccentric
• Certification: CE
• OEM/ODM Support

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A234 WP5 Alloy Steel Elbow – 90° & 180° Bends

High-temperature resistant alloy elbows for boiler and heat exchanger systems. Custom OEM/ODM options available.

• Material: A234 WP5
• Angles: 90°, 180°
• Application: Heat Exchangers
• Service: OEM/ODM

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About Hebei Hongcheng Pipe Fittings Co., Ltd.

Located in Wuliyao Industrial Park, Yanshan County, Cangzhou City, Hebei Province, China, we are a leading manufacturer of alloy seamless steel pipes, high-pressure boiler tubes, and precision steel fittings.

With strategic access to Beijing-Tianjin in the north and Huanghua Port in the east, our logistics network ensures fast and efficient global delivery. Our facility spans 130,000 square meters, including 60,000 square meters of advanced production workshops.

Equipped with over 280 state-of-the-art production and testing machines, we maintain strict quality control throughout every stage of manufacturing. Our products meet international standards including ASTM, ASME, ISO, DIN, and API.

435+

Products Available

280+

Advanced Machines

Why Choose Our Products?

Engineered for performance, reliability, and compliance with global industrial standards.

ISO & CE Certified

All products manufactured under strict ISO 9001 and CE quality management systems.

OEM/ODM Support

Custom manufacturing services available for unique project requirements and branding.

Fast Global Delivery

Strategic location near major ports enables rapid shipment to Europe, Asia, Americas, and Africa.

Corrosion Resistant

Galvanized, sandblasted, and coated finishes ensure long-term durability in harsh environments.

435+

Product Variants

60K+

Workshop Area (sqm)

280+

Production Machines

50+

Countries Served

Frequently Asked Questions

What standards do your steel pipes comply with?

Our alloy and seamless steel pipes meet ASTM, ASME, ISO, DIN, and API standards. Specific grades include ASTM A335, A179, A213, and A234.

Do you offer custom sizes and OEM services?

Yes, we provide full OEM and ODM support with customization options for dimensions, materials, coatings, and packaging.

What is the typical delivery time?

Standard orders are processed within 15–30 days depending on quantity and customization. We offer expedited shipping upon request.

How do you ensure product quality?

We conduct rigorous in-house testing including hydrostatic, ultrasonic, and mechanical property tests. All batches come with mill test certificates (MTC).

Can I request samples before placing a bulk order?

Yes, sample orders are available. Please contact us directly to discuss your requirements and shipping options.

Get in Touch

For quotes, technical inquiries, or sample requests, visit our official website to connect with our sales team.

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