Yantai Steel Pipe is a leading manufacturer of seamless steel pipes and tubes in China.
Established in 1958, we have over 60 years of experience in producing high-quality, high-performance steel pipes that serve industries worldwide.
Our commitment to innovation, precision, and quality control has earned us a reputation as a trusted supplier in energy, infrastructure, shipbuilding, and petrochemical industries.
Advanced Manufacturing Facilities
Our state-of-the-art production facilities ensure high efficiency, precision, and consistency in every product:
- 3 Hot-Rolling Production Lines – Sizes: φ219mm, φ159mm, φ108mm
- 1 Cold-Drawn Production Line – Undergoing enhancement for superior precision
- Annual Production Capacity: 500,000 tons
- Size Range: Outer diameter up to 14” (356mm), wall thickness up to 50mm

High-Performance Seamless Steel Pipes
We manufacture and supply seamless steel pipes (SMLS) that meet global industry standards.
Product Specifications
✔ Material Types: Carbon Steel | Alloy Steel | Stainless Steel
✔ Production Methods: Hot-Rolled | Cold-Drawn
✔ Outer Diameter Range: 21.3mm – 508.0mm
✔ Wall Thickness: Up to 50mm
✔ Manufacturing Standards: API | ASTM | ASME | DIN | EN | JIS | GB
✔ Heat Treatment Options: Normalizing | Annealing | Quenching | Tempering
✔ Coating & Protection: Anti-Rust Coating, Hot-Dip Galvanized (HDG), Fusion Bonded Epoxy (FBE), 3LPE & 3LPP Coating, Liquid Epoxy Lining, Concrete Weight Coating
Product Applications – Built for Critical Industries
Our seamless steel pipes are engineered for high-demand industries, ensuring superior strength, durability, and efficiency. They are widely used in power stations for boilers, heat exchangers, and steam pipelines; oil & gas exploration and transportation for casing, tubing, and pipelines; petrochemical and refining for process piping in chemical and refinery plants; shipbuilding and marine applications for high-pressure piping on ships and offshore platforms; boilers and pressure vessels for high-temperature industrial applications; and structural and architectural engineering for construction, bridges, and high-rise buildings.
Why Choose Yantai Steel Pipe?
Our seamless steel pipes are known for their exceptional durability, performance, and reliability. Here’s why we stand out:
✅ Rich Production Experience – Over 6 decades of expertise in steel pipe manufacturing
✅ Strict Quality Control – Advanced inspection & testing to meet global standards
✅ Fast & Efficient Delivery – Optimized production for shorter lead times
✅ Comprehensive Size Range – Covering both standard & custom specifications
✅ Certified & Globally Compliant – API, ASTM, ASME, DIN, EN, JIS, GB standards
✅ Internationally Trusted Supplier – Recognized by top industry leaders worldwide