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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.

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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 Applications of ASTM A500 Round Tubes in Bridges And Infrastructure?
2026-09-16

ASTM A500 round structural tubing is a premier choice for modern bridges and infrastructure. Engineered for cold-formed applications, these tubes deliver exceptional mechanical strength, dimensional consistency, and fabrication flexibility.Their circular cross-section efficiently resists multi-direc

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2026-09-16
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ASTM A500 Round Tubes Vs. Square Tubes Vs. Rectangular Tubes: How Do Cross-sectional Shapes Affect Structural Design?
2026-09-15

The cross-sectional shape of structural steel tubing significantly influences its load-bearing performance. For ASTM A500 structural tubing, round, square, and rectangular shapes offer distinct advantages. Round tubes provide uniform torsional resistance and suit columns and trusses. Square tubes of

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2026-09-15
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What Are The Differences between ASTM A500 And ASTM A1085/A1065? Comparison of Structural Steel Pipe Standards.
2026-09-14

ASTM A500, A1085, and A1065 are essential standards for structural steel pipes, but they serve distinct engineering purposes. ASTM A500 is the most widely used specification for general cold-formed welded and seamless HSS. ASTM A1085 is designed for higher-performance applications, offering enhanced

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2026-09-14
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Are ASTM A671 Cryogenic Steel Pipes Used in Liquefied Natural Gas Projects?
2026-09-11

LNG projects operate at extreme cryogenic temperatures of -162°C, demanding piping materials with exceptional low-temperature toughness to prevent brittle fracture. ASTM A671 electric-fusion-welded steel pipe is a practical option for these demanding environments, as it is manufactured from pressure

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2026-09-11
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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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