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Great-Pipe
Steel Excellence

Global Leader in Seamless, Welded, and OCTG Steel Pipes | ISO-Certified Manufacturing | One-Stop Supply for Oil & Gas, Construction, Mining & Energy

About Hunan Great Steel Pipe

Hunan Great Steel Pipe Co., Ltd is a world-class production and service provider of submerged arc straight seam welded pipe and a proud subsidiary of Shinestar Group. As a pioneer in pipeline engineering research, we are affiliated with the China Petroleum Pipeline & Gas Pipeline Science Research Institute.

Specializing in steel pipeline manufacturing, stocking, and one-stop global supply, our products serve critical industries including Oil & Gas, Power & Energy, Mining, Marine, and Fire Protection.

High Quality

ISO & API Certified

In-Stock

Ready for Fast Delivery

Experience

Decades in Industry

Seamless Steel Pipe

Our Products

Comprehensive range of steel pipes, fittings, and profiles engineered for durability, precision, and performance across industrial applications.

Seamless Steel Pipe

Seamless Steel Pipe

For high-temperature service and transmission of oil, gas, water, and steam. Ideal for oil & gas pipelines and industrial systems.

  • • High Temperature Resistance
  • • No Weld Seam
  • • ASTM, API Standards
Steel Plate

Steel Plate

High-strength steel plates for shipbuilding, construction, and heavy machinery. Available in ABSA, ASTM A36, EN10163.

  • • Structural Integrity
  • • Corrosion Resistant
  • • Custom Thickness
Galvanized Steel Pipe

Galvanized Steel Pipe

Zinc-coated for superior corrosion resistance. Used in construction, scaffolding, and low-pressure fluid systems.

  • • Anti-Rust Protection
  • • Long Service Life
  • • Hot-Dip Galvanized
OCTG Casing and Tubing

OCTG Casing & Tubing

Oil Country Tubular Goods for oil well foundations and drilling operations. API 5CT certified.

  • • High Pressure Rated
  • • API 5CT Compliant
  • • Deep Well Ready
Square Pipe

Square Pipe

Precision-engineered square steel pipes for structural frameworks, construction, and mechanical applications.

  • • Uniform Dimensions
  • • High Tensile Strength
  • • Welded or Seamless
Stainless Steel Pipe

Stainless Steel Pipe

Corrosion-resistant pipes for chemical, food processing, and marine environments. 304, 316 grades available.

  • • Anti-Corrosive
  • • Hygienic Finish
  • • Marine Grade Options
Carbon Steel Pipe

Carbon Steel Pipe

Durable carbon steel pipes for high-pressure systems in oil & gas, power plants, and industrial pipelines.

  • • High Strength
  • • Cost-Effective
  • • ASTM A106, A53
Pipe Fittings

Pipe Fittings & Flanges

Carbon, stainless, and alloy steel fittings including elbows, tees, reducers, and flanges for complete pipeline systems.

  • • ANSI, DIN, JIS Standards
  • • Seamless & Welded
  • • Full Bore Design
View Full Catalog

Value-Added Services

End-to-end support to meet your exact project specifications and delivery requirements.

Pipe Coating

3LPE, FBE, epoxy, and anti-corrosion coatings for extended service life in harsh environments.

Pipe Beveling

Precision beveling for welding preparation, ensuring strong, leak-free joints.

Pipe Threading

Accurate threading for quick and secure connections in field installations.

Pipe Cutting

Custom length cutting to reduce waste and improve installation efficiency.

Pipe Galvanizing

Hot-dip galvanizing for maximum corrosion protection in outdoor and marine applications.

Packing

Secure, export-grade packaging to prevent damage during transit.

Featured Projects

Real-world applications of our steel pipes in critical infrastructure and industrial developments.

Oil & Gas Pipeline

ERW steel pipes with 3LPE external coating used in long-distance oil & gas transportation pipeline projects.

Oil & Gas Coated Pipes

Carbon Seamless Steel Pipe Project

Major pipeline construction from west to east of the country for oil & gas transmission.

Pipeline Seamless

Shipbuilding with Steel Plates

ABSA-certified steel plates and profiles supplied for marine vessel construction.

Marine Structural

Sulfur Factory Construction

Stainless seamless steel pipes used in a sulfur processing plant with local raw material sourcing.

Chemical Stainless

Frequently Asked Questions

What types of steel pipes do you manufacture?

We produce seamless, welded (ERW, LSAW, SSAW), carbon, stainless, alloy, galvanized, square, rectangular, and OCTG casing & tubing pipes.

Are your products certified?

Yes, our products meet international standards including API 5L, ASTM, EN, and ISO. We hold relevant certifications for quality assurance.

Do you offer custom pipe processing?

Yes, we provide pipe beveling, threading, cutting, coating, galvanizing, and custom packaging based on project needs.

What industries do you serve?

We serve Oil & Gas, Power & Energy, Mining, Marine, Water Treatment, Construction, and Fire Protection sectors globally.

Get in Touch

Reach out for quotes, technical support, or project collaboration.

Contact Information

+86-0731-88672086

+86 19873137997

info@great-pipe.com

Company

Hunan Great Steel Pipe Co., Ltd

Subsidiary of Shinestar Group

Affiliated with China Petroleum Pipeline & Gas Pipeline Science Research Institute

Visit Official Website to Contact

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