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ABOUT US
Threeway Steel Co., Ltd, is a world-class production and service provider with 32 years of steel pipe manufacturing, stocking, and exporting for the world’s energy industry and certain other industrial applications. Our manufacturing system integrates. 8 world-class submerged arc straight seam welded pipe production line, pipe hot-rolling and cold-forming, heat treatment, threading and finishing, making, warehouse in China, we also have our R&D network focus on enhancing our product portfolio and improving our Industry Operation Capability, Quality competitiveness, Cost control, Perfect integrated service capability is united by a passion for excellencelly promoting business growth.
You can contact us any way that is convenient for you. We are available 24/7 via fax or email. 
You can also use a quick contact form below or visit our office personally.

HOT PRODUCTS

CUSTOMIZED SERVICE
Greasepaint - the atmospheric corrosion undemanding environment
Country paint
Phenol resin coating
Epoxy coatings
Polyurethane coatings
Polyethylene, polypropylene resin coating
Furan resin coating
Sphalt coating
Heavy anti-corrosion coatings
NEWS
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Interpretation of ASTM A554 Standard: What Are The Specifications And Applications of Welded Stainless Steel Square And Rectangular Steel Pipes?
2026-11-05

ASTM A554 is a specification for welded stainless steel mechanical tubing, covering austenitic, ferritic, and duplex stainless steel grades supplied in round, square, rectangular, and special shapes. Unlike pressure-piping standards, ASTM A554 focuses on mechanical and structural applications where

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2026-11-05
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Decorative Vs. Industrial Stainless Steel Square And Rectangular Tubes: Differences in Wall Thickness, Surface Finish, And Standards?
2026-11-04

Stainless steel square and rectangular tubes serve distinct roles in construction and engineering, categorized as either decorative or industrial. While both may use similar grades like 201, 304, and 316, their specifications differ significantly. Decorative tubes prioritize visual appeal for applic

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2026-11-04
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What Are The Differences between The Commonly Used Surface Treatments for Stainless Steel Square And Rectangular Tubes: 2B, BA, Brushed, Mirror Finish, And Polished Finish?
2026-11-03

Stainless steel square and rectangular tubes are essential in construction, machinery, and industrial manufacturing. Surface treatment significantly impacts their appearance, cleanability, and corrosion resistance. While stainless steel naturally resists rust, the right finish enhances durability an

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2026-11-03
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How To Choose between 304 And 316 Stainless Steel Square And Rectangular Tubes? Comparison of Corrosion Resistance, Cost, And Application Scenarios?
2026-11-02

Pipe coating systems protect steel pipes from corrosion, mechanical damage, and environmental exposure in oil and gas, water supply, chemical processing, and industrial construction. Common systems include fusion-bonded epoxy (FBE), three-layer polyethylene (3LPE), three-layer polypropylene (3LPP),

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2026-11-02
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Providing professional one-stop procurement service for customers with excellent quality, competitive price, convenient transportation, and timely delivery.
  22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC:410116
  sales@threewaysteel.com
  0086-0731-8867-8598                                             

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