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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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What Are The Different Impacts of Choosing The Process for ERW And LSAW Steel Pipes on Engineering Projects?
2026-10-23

ERW and LSAW steel pipes are widely used in oil and gas transportation, water supply, construction, and infrastructure, but their manufacturing methods, dimensional ranges, costs, and applications differ. ERW pipes are formed from steel strip or coil and welded by electrical resistance, supporting e

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2026-10-23
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What Are The Applications And Roles of Straight Seam Welded Pipes in Fluid Transportation?
2026-10-22

Straight seam welded steel pipes are widely used in water, oil, natural gas, and industrial fluid transportation across municipal, energy, and manufacturing projects. Common types include ERW pipes for water distribution and selected oil and gas applications, and LSAW pipes for large-diameter, highe

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2026-10-22
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Weld Inspection of Straight Seam Steel Pipes: Applicable Scenarios for UT, RT, And Eddy Current Testing
2026-10-21

Weld inspection is critical for straight seam welded steel pipes used in oil and gas, water supply, construction, and industrial pipelines, because weld integrity directly affects strength, safety, and service life. Common weld defects include cracks, porosity, lack of fusion, incomplete penetration

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2026-10-21
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How To Choose between PSL1 And PSL2 for API 5L Straight Seam Steel Pipes? Compliance Differences between ERW And LSAW.
2026-10-20

API 5L straight-seam welded steel pipes are widely used in oil and gas pipelines and industrial infrastructure. Buyers should first distinguish between PSL1 and PSL2: PSL1 provides baseline chemical, mechanical, and testing requirements, while PSL2 adds stricter controls on composition, toughness, n

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2026-10-20
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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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