Derbo Steel Pipe | Premium Steel Pipes, Flanges & Fittings Manufacturer in China

About Derbo Steel

Chengdu Derbo Steel Co., Ltd. has been a leading manufacturer and distributor of steel pipes, flanges, fittings, and OCTG products since the 1990s. With over a decade of industry expertise, we are committed to delivering high-quality pipeline solutions for global markets.

Founded by Mr. David Zheng, a seasoned product specialist and exporter, Derbo Steel began as a dedicated supplier of seamless steel pipes for oil & gas projects. Today, we serve as a golden supplier on major B2B platforms, offering strategic sourcing and technical support to clients worldwide.

10+

Years Experience

50+

Countries Served

Our Products

Comprehensive range of steel pipes, flanges, fittings, valves, and OCTG products manufactured to international standards including ASTM, API, ASME, and ISO.

Weld Neck Flange

ASTM A105N, 12" 600 LB RF, ASME B16.5, Carbon Steel

• Forged carbon steel construction
• Raised face sealing
• Ideal for high-pressure systems

Stainless Steel Elbow

90° LR BW, AISI 316, 426mm OD, ASTM A403

• Long radius design
• Buttweld connection
• Corrosion-resistant alloy

Spade Flange / Spacer Ring

30", CL150 RF, ASTM A240 GR 316/316L

• ISO 15156 compliant
• MR0175 certified
• Used for isolation in pipelines

3LPE/3LPP Coated Pipe

API 5L X60 PSL2, Anti-Corrosion Protection

• Triple-layer polyethylene coating
• Suitable for buried pipelines
• Enhanced durability and lifespan

Carbon Seamless Pipe

ASTM A106 Gr.B, SCH 80, 8" OD x 15.09mm

• High-temperature service
• Seamless construction
• Ideal for refineries and power plants

Alloy Steel Pipe

ASTM A335 Gr. P5, 5% Cr, 219.1mm OD x 12.7mm

• Chromium-molybdenum alloy
• High creep strength
• For boiler and superheater tubes

Concentric Swage Nipple

ASTM A234, MSS-SP-95, SCH 80

• Reducing fitting
• Seamless construction
• Used in high-pressure systems

Carbon Steel Blind Flange

26", Class 900, ASTM A105, Raised Face

• Large diameter capability
• Terminal end closure
• ASME B16.47 Series A

View All Products

Our Services

From technical consultation to global logistics, Derbo Steel provides end-to-end support for your pipeline projects.

Pre-Sale Support

Comprehensive consultation on dimensions, standards, materials, tolerances, and technical specifications to ensure perfect fit for your project.

Technical Support

Expert guidance on material selection, welding procedures, installation best practices, and compliance with international codes.

Quality Control

Full traceability, third-party inspections, ultrasonic testing, and comprehensive inspection reports for every shipment.

Global Delivery

Reliable logistics network with sea, air, and land options. On-time delivery to over 50 countries worldwide.

Our Projects

Trusted by major energy and infrastructure companies across the globe.

Uzbekistan Seamless Pipe Project

Supply of HFW and seamless pipes for national gas transmission infrastructure.

Egypt Water Project

Delivery of ductile iron and coated steel pipes for municipal water distribution.

Brunei Oil & Gas Transportation

Comprehensive supply of OCTG, flanges, and fittings for offshore drilling operations.

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