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Hot-Dipped S460NH Galvanized Square Steel Tube

Hot-Dipped S460NH Galvanized Square Steel Tube offers superior corrosion resistance and high strength, ideal for demanding structural applications. Its hot-dip galvanization ensures long-lasting durability, while the S460NH grade provides excellent weldability and toughness in harsh environments. Perfect for construction, infrastructure, and industrial projects requiring reliability and performance.

    Hot-Dipped S460NH Galvanized Square Steel Tube

    The Hot-Dipped S460NH Galvanized Square Steel Tube stands as the premier choice for engineers and builders demanding exceptional strength, superior durability, and long-lasting corrosion protection. Engineered from high-grade S460NH steel—known for its high yield strength and excellent atmospheric corrosion resistance—and fortified through a rigorous hot-dip galvanizing process, this square tube delivers unmatched performance in the most demanding environments. It is the definitive material for projects where structural integrity, longevity, and safety are non-negotiable.

    Highlights & Key Benefits

    This product excels through its combination of advanced material science and robust manufacturing:

    • Exceptional Strength & Durability: Fabricated from S460NH steel, it offers a minimum yield strength of 460 MPa, enabling lighter, stronger structures that withstand heavy loads and high stress.
    • Superior Corrosion Defense: The hot-dip galvanizing process creates a metallurgically bonded zinc coating that provides sacrificial protection, significantly outperforming pre-galvanized or painted alternatives. It resists rust in harsh conditions for decades.
    • Excellent Weldability & Formability: The S460NH grade is designed for good weldability, allowing for easy integration into complex frameworks. Its square shape offers practical flat surfaces for simplified connections and fabrication.
    • Long-Term Cost Efficiency: The minimal maintenance requirements and extended service life provided by the robust zinc coating translate to significantly lower total ownership costs over the project lifecycle.
    • Enhanced Safety & Reliability: The combination of high structural strength and consistent corrosion protection ensures a safe, reliable, and stable performance throughout its extensive service life.
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    Product Parameters

    O.D.mm

    W.T.mm

    O.D.mm

    W.T.mm

     

    1.50

     

    1.70

    20*20

    1.70

     

    2.00

     

    2.00

     

    2.20

     

    2.5~2.75

     

    2.50

     

    1.50

    60*80

    2.75

     

    1.70

     

    3.00

    20*30

    2.00

     

    3.5~4.0

    25*25

    2.20

     

    4.5~4.75

     

    2.50

     

    5.5~5.75

     

    2.75

     

    1.50

     

    1.50

     

    1.70

     

    1.70

     

    2.00

    30*30

    2.00

    50*100

    2.20

    20*40

    2.20

     

    2.50

     

    2.50

     

    2.75

     

    2.75

     

    3.00

     

    1.50

     

    3.5~3.75

     

    1.70

     

    4.5~4.75

     

    2.00

     

    5.5~5.75

    30*50

    2.20

     

    2.00

    30*60

    2.50

     

    2.20

     

    2.75

     

    2.50

     

    3.00

    100*100

    2.75

     

    3.5~3.75

    80*120

    3.00

     

    1.50

     

    3.5~4.0

     

    1.70

    60*120

    4.5~4.75

    40*40

    2.00

     

    5.5-5.75

    50*70

    2.20

     

    7.5~7.75

    50*50

    2.50

     

    2.50

    40*60

    2.75

    50*150

    2.75

    40*50

    3.00

     

    3.00

     

    3.5~4.0

     

    3.5~4.75

     

    4.5~4.75

    80*140

    2.50

     

    1.50

    80*160

    2.75

     

    1.70

    100*150

    3.00

     

    2.00

    120*120

    3.5~5.75

     

    2.20

     

    7.5~7.75

    40*80

    2.50

     

    2.50

    60*60

    2.75

     

    2.75

     

    3.00

     

    3.00

     

    3.5~4.0

    150*150

    3.5~3.75

     

    4.5~4.75

    100*200

    4.5~6.0

     

    1.50

     

    7.5~7.75

     

    1.70

     

    9.5-9.75

     

    2.00

     

    3.50

    60*100

    2.20

     

    3.75

    80*100

    2.50

    180*180

    4.50

    70*70

    2.75

    150*200

    4.75

    75*75

    3.00

     

    5.5~5.75

    80*80

    3.5~4.0

     

    7.5~7.75

    90*90

    4.5~4.75

     

    9.5-9.75

     

    5.5~5.75

     

    2.75

     

    2.00

     

    3.00

     

    2.20

     

    3.50

     

    2.50

    200*200

    3.75

    50*80

    2.75

     

    4.50

    50*90

    3.00

     

    4.75

    60*90

    3.5~4.0

     

    5.5~5.75

     

    4.5~4.75

     

    7.5~7.75

     

    5.5~5.75

     

    9.5-9.75

     

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    Versatile Application Spectrum

    The Hot-Dipped S460NH Galvanized Square Steel Tube is indispensable across a vast range of critical industries:

    1. Building & Construction: Core structural material for modern steel structure projects, glasscurtain walls, stadiums, and high-rise buildings.
    2. Industrial Infrastructure: Ideal for power plant engineering, electrical projects, heavy mechanical manufacturing, and agricultural/chemical machinery.
    3. Renewable Energy & Transportation: The preferred choice for robust solar power mounting systems, supporting structures in shipbuilding, and frameworks for automobile chassis and airport facilities.

    Commitment to Premium Manufacturing

    Our product undergoes a stringent two-stage manufacturing protocol to guarantee top quality:

    ♦ Pre Galvanized Hollow Sections Manufacturing Process:

    Galvanized coil uncoiling ->trimming and butt welding ->straightening ->roll cold forming ->high-frequency welding ->removing excess welding bars ->water cooling ->sizing ->cutting ->testing (removing joint pipes) ->spray labeling and storage

     

    ♦ Hot Dipped Galvanized Hollow Sections Manufacturing Process:

    Black tube ->degreasing ->acid washing ->rinsing ->immersion agent ->drying ->immersion plating ->tube lifting ->external blowing ->internal blowing ->water cooling ->inspection ->passivation ->spray label packaging

     

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    Global Material Compliance

    Yuantai Derun provides Square Steel Pipes in diverse steel grades meeting international standards, including the European S460 series (like S460NH), American ASTM, Japanese JIS, Chinese GB, and Canadian CSA. This ensures compliance and performance for projects worldwide:

    ☆ American Standard (ASTM): Gr. A, B, C, etc.

    ☆ European Standard (EN): S235, S275, S355, S420, S460, etc.

    ☆ Japanese Standard (JIS): SS400, STKR400, STKR490, etc.

    ☆ Chinese Standard (GB): Q195, Q235, Q355, etc.

    ☆ Canadian Standard (CSA): 300W, 350W, etc.

    For a detailed quotation tailored to your needs, please share your specific steel grade requirements with us today.

    Yuantai Derun Square Steel Pipes – Quality You Can Trust

    At every step—from raw materials to finished pipes—Yuantai Derun maintains strict quality control. We use only traceable materials from trusted suppliers. All pipes undergo thorough testing, such as:

    • Dimensional & visual checks (appearance, size, straightness)  
    • Mechanical testing (strength, hardness, impact resistance)  
    • Material analysis (chemical composition, metallographic tests)  
    • Non-destructive & corrosion tests (UT, salt spray testing)

    Tell us your testing needs. We ensure every pipe is precise and reliable. Contact us today.

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