steel pipe fitting, carbon steel pipe, seamless steel pipe

Threeway Steel co.,ltd is a world-class SSAW steel pipe provider, one of the largest subsidiary in Shinestar Holdings Group Co.,ltd. As the companys largest export base, we are committed to provide professional one-stop procurement service for customers with excellent quality, competitive price, convenient transportation and timely delivery. At present, customers have been all over world.

Our Products

Threeway is in china professional steel products stockiest manufacturer and supplier. We can produce welded pipe, seamless steel pipe,
hollow section tube, oil tube & casing, according to your requirements

Seamless Steel pipe

Seamless Carbon Steel Pipe:

Outside Diameter: 13.72mm-914.4mm

Wall Thickness: 1.25mm-50mm

Length:5.8/6/11.8/12m

Seamless Stainless Steel Pipe:

Outside Diameter: 18.0mm-610mm

Wall Thickness: 1.6mm-40mm

Length:5.8/6/11.8/12m

OCTG Pipe

API Casing:

Outside Diameter:114.3mm-508mm

Wall Thinckness: 5.21mm-22.22mm

Length:R1/R2/R3

Drill Pipe:

Outside Diameter: 60.32mm-168.28mm
Wall Thickness:7.11mm-9.19mm

Length:R1/R2/R3

Welded Steel Pipe

ERW Steel Pipe:

Outside Diameter: 21.3mm-660mm

Wall Thickness: 1mm-20mm

Length: 5.8/6/11.8/12m

LSAW Steel Pipe:

Outside Diameter: 406mm-1626mm

Wall Thickness: 6.0mm-60mm

Length: 5.8/6/11.8/12m

Steel Pipe fittings

Carbon Steel Fittings and flanges:

Pipe Elbow, Pipe Bend, Pipe Tee, Pipe Reducer，Pipe Cap, Pipe Flange..etc

Stainless Steel Fittings and flanges:

Pipe Elbow, Pipe Bend, Pipe Tee, Pipe Reducer，Pipe Cap, Pipe Flange

WE HAVE EXPERIENCE

We are expert in supplying better products with cost effective solutions and we are experienced in Oil & Gas, Fertilizers, Petrochemical, Refinery and Power project. Our steel products are with superior quality and ensure high reputation among our customers. Hope this will be a good start of our long term cooperation.

Project Experience

Heat Exchanger Condensers
Geothermal Exploration

Oil & Gas Industries
Gas Transmission in Bangladesh

Power Plants
Myingyan 225 MW Combined Cycle Power Plant

Sugar Industries
Industrial exhaust ducts

Fire Safety
OLD MANDURAH TRAFFIC BRIDGE REPLACEMENT in WA

All

Industry News

Company News

NEWS CENTER

The Meaning And Advantages of Industrial Pipelines
07-28

Industrial pipelines are essential infrastructure for safely and efficiently transporting fluids, gases, and chemicals across oil and gas, petrochemical, and power generation sectors. They offer superior operational efficiency, lower costs, and enhanced safety compared to traditional transport metho

Defect Analysis of Hot-Rolled SMLS Steel Pipes
07-27

Hot-rolled seamless (SMLS) steel pipes offer exceptional strength for demanding industries, but manufacturing defects can compromise their performance. Issues like cracks, folds, and scratches often stem from raw material quality, heating, or rolling processes, potentially leading to costly failures

Advantages of Hot-dip Galvanized Seamless Steel Pipes
07-24

Hot-dip galvanized seamless steel pipes offer exceptional corrosion resistance and long-term durability for demanding industrial applications. The metallurgically bonded zinc coating acts as a sacrificial barrier, protecting the underlying steel from rust even if scratched. Combined with the high st

Common Defects in The Welded Area of LSAW Welded Steel Pipe
07-23

LSAW steel pipes are essential for high-pressure oil, gas, and water transmission due to their superior strength. However, their performance relies heavily on weld quality. Common defects like cracks, porosity, and lack of fusion can compromise structural integrity and lead to costly failures.What I

Key Factors Determining The Quality of Spiral Welded Steel Pipes
07-22

Spiral welded steel pipes are essential for oil and gas, water transmission, construction, piling, and infrastructure projects. Their quality depends on multiple factors—from raw material selection to final inspection.Key Quality Determinants:Steel coil quality: Consistent chemical composition and m

Applications And Advantages of Hot-dip Galvanized Square And Rectangular Tubes
07-21

Hot-dip galvanized square and rectangular tubes combine structural steel strength with superior zinc-based corrosion protection. The immersion process creates a metallurgical bond that shields all surfaces—including edges and corners—from moisture, oxygen, and harsh elements, outperforming ordinary