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

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Industry News

Company News

NEWS CENTER

Wall Thickness Reduction and Pressure Bearing Capacity of Steel Pipe Elbows: Why Are Steel Pipe Elbows the Weakest Link in A Piping System?
11-12

Steel pipe elbows are critical components in industrial piping systems, connecting straight pipes and changing flow direction at 45°, 90°, or 180°. Their curved geometry creates complex stress distribution and manufacturing challenges compared to straight pipes. During forming, the outer curve (extr

A Comprehensive Analysis of Steel Pipe Elbows: Definition, Function, and Position in Piping Systems
11-11

Steel pipe elbows are essential fittings that change flow direction in industrial piping systems, widely used in oil and gas, petrochemical, power generation, water supply, and shipbuilding applications. Available in 45°, 90°, and 180° angles, they can be classified as long radius for lower pressure

The Difference between Long Radius Elbows And Short Radius Elbows: How To Choose between 1.5D And 1.0D?
11-10

Long-radius (LR) and short-radius (SR) elbows are essential fittings for changing pipeline direction in oil and gas, petrochemical, power generation, and water treatment systems. LR elbows have a 1.5D centerline radius, providing gradual flow changes with lower resistance, reduced pressure loss, and

How To Choose between 90°, 45°, And 180° Steel Elbows? Angle And Pipeline Routing Design.
11-09

Steel elbows are essential pipe fittings used to change fluid flow direction in oil and gas, petrochemical, power generation, water treatment, and industrial piping systems. The three common types are 90° elbows for right-angle turns, 45° elbows for gradual directional changes, and 180° return bends

The Core Difference between API 5L PSL1 And PSL2: Line Pipe Procurement Must Be Clearly Tiered.
11-06

API 5L is the key international specification for seamless and welded steel line pipe used to transport petroleum, natural gas, and other pipeline fluids. It defines two product specification levels, PSL1 and PSL2, which determine chemical composition limits, mechanical properties, testing scope, in

PSL2 Carbon Equivalent Control: Why It's Critical for Line Pipe Welding And Acid Service
11-05

Carbon equivalent (CE) is a key indicator for evaluating the weldability and hardenability of API 5L PSL2 line pipes used in oil and gas transportation. Unlike carbon content alone, CE reflects the combined influence of alloying elements such as manganese, chromium, molybdenum, vanadium, nickel, and

Our Clients

Project Experience

Wall Thickness Reduction and Pressure Bearing Capacity of Steel Pipe Elbows: Why Are Steel Pipe Elbows the Weakest Link in A Piping System?
11-12

A Comprehensive Analysis of Steel Pipe Elbows: Definition, Function, and Position in Piping Systems
11-11

The Difference between Long Radius Elbows And Short Radius Elbows: How To Choose between 1.5D And 1.0D?
11-10

How To Choose between 90°, 45°, And 180° Steel Elbows? Angle And Pipeline Routing Design.
11-09

The Core Difference between API 5L PSL1 And PSL2: Line Pipe Procurement Must Be Clearly Tiered.
11-06

PSL2 Carbon Equivalent Control: Why It's Critical for Line Pipe Welding And Acid Service
11-05

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CONTACT US

Project Experience

Wall Thickness Reduction and Pressure Bearing Capacity of Steel Pipe Elbows: Why Are Steel Pipe Elbows the Weakest Link in A Piping System? 11-12

A Comprehensive Analysis of Steel Pipe Elbows: Definition, Function, and Position in Piping Systems 11-11

The Difference between Long Radius Elbows And Short Radius Elbows: How To Choose between 1.5D And 1.0D? 11-10

How To Choose between 90°, 45°, And 180° Steel Elbows? Angle And Pipeline Routing Design. 11-09

The Core Difference between API 5L PSL1 And PSL2: Line Pipe Procurement Must Be Clearly Tiered. 11-06

PSL2 Carbon Equivalent Control: Why It's Critical for Line Pipe Welding And Acid Service 11-05

HOT PRODUCT

QUICK LINKS

CONTACT US

Wall Thickness Reduction and Pressure Bearing Capacity of Steel Pipe Elbows: Why Are Steel Pipe Elbows the Weakest Link in A Piping System?
11-12

A Comprehensive Analysis of Steel Pipe Elbows: Definition, Function, and Position in Piping Systems
11-11

The Difference between Long Radius Elbows And Short Radius Elbows: How To Choose between 1.5D And 1.0D?
11-10

How To Choose between 90°, 45°, And 180° Steel Elbows? Angle And Pipeline Routing Design.
11-09

The Core Difference between API 5L PSL1 And PSL2: Line Pipe Procurement Must Be Clearly Tiered.
11-06

PSL2 Carbon Equivalent Control: Why It's Critical for Line Pipe Welding And Acid Service
11-05