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    Hot-Dip Galvanized Thermo-Mechanically Treated (TMT) Rebar


    Galvanized TMT Rebar is the ultimate corrosion-resistant steel bar, which undergoes the Thermo-Mechanical Treatment (TMT) process for high strength and ductility, followed by a hot-dip galvanizing process to create a robust zinc coating. It combines the superior mechanical properties of TMT bars (high yield-to-tensile ratio, excellent seismic performance) with the unmatched corrosion resistance of a zinc coating, providing dual protection—from the core (rebar performance) and the surface (corrosion protection)—for concrete structures, especially in harsh environments for permanent works.


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    Product details

    RUNYING Steel Group is a premier Tangshan-based manufacturer and exporter of high-performance Hot-Dip Galvanized Thermo-Mechanically Treated (TMT) Rebars. Galvanized TMT Rebar is the ultimate corrosion-resistant reinforcement steel bar. It undergoes advanced Thermo-Mechanical Treatment (TMT) to achieve superior core strength and high ductility, followed by a precision hot-dip galvanizing process to create a robust, metallurgically bonded zinc coating.

    By combining the superior mechanical properties of structural TMT bars with the unmatched corrosion barrier of zinc, our products provide dual-layer protection—from the core (high tensile strength) and from the surface (active galvanic corrosion defense)—making them ideal for permanent concrete works in aggressive marine and humid environments.

    Technical Specifications & Parameter Matrix

    Our galvanized TMT rebars are manufactured and tested in strict accordance with international material and galvanizing standards:

    Hot-Dip Galvanized Thermo-Mechanically Treated (TMT) Rebar(图1)

    Key Performance Advantages

    Unmatched Corrosion Service Life:

    The heavy-duty zinc coating acts as both a physical moisture barrier and a sacrificial anode, offering active and passive protection against chloride ion penetration and concrete carbonation, extending structural life by decades.

    Superior Seismic & Mechanical Properties:

    Retains the unique "soft core, hardened outer ring" microstructure of TMT steel, featuring high tensile strength and high elongation to absorb massive seismic shock without brittle failure.

    Optimal Concrete Bond Strength:

    Specially passivated galvanized rib surfaces maintain exceptional bonding strength with concrete matrices comparable to uncoated ribbed bars, ensuring effective stress transfer.

    Lifecycle Cost-Effectiveness:

    Eliminates premature structural spalling, concrete rehabilitation, and expensive maintenance over the building's lifecycle. 100% recyclable in alignment with green building standards.

    Primary Applications & Engineering Sectors

    Marine & Offshore Structures: Pier pilings, sea walls, offshore breakwaters, and marine jetty platforms.

    Coastal & Bridge Infrastructure: Cross-sea bridges, highway overpasses, tunnels, water treatment plants, and coastal desalination facilities.

    Substructure & Heavy Buildings: Foundation pilings, underground basements in high-water-table soils, and landmark structures requiring maximum design durability.

    Structural Rehabilitation: Repair, retrofitting, and corrosion remediation of aging concrete structures.

    Seaworthy Packaging & Tianjin Port Shipping

    Export Bundling: Supplied in 1.5 MT – 3.0 MT heavy-duty steel bundles bound with dual high-tensile wire straps and protective lifting slings.

    Surface Protection: Anti-corrosion passivation applied to prevent white rust during ocean transit.

    Logistics Advantage: Direct container stuffing and breakbulk vessel dispatch from our staging yards at Tianjin Port, China.

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    Request Your Factory-Direct Galvanized TMT Rebar Quote

    Looking for high-durability galvanized TMT reinforcing steel bars with complete Mill Test Certificates (MTC EN 10204 3.1) and competitive ocean freight rates? Contact our metallurgical export team today:

    Direct Sales Email: admin@tsrysteel.com

    WhatsApp / Phone: +86 15176700707

    Official Web Homepage: http://www.tsrysteel.com

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