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New ASTM Standard Provides Corrosion Protection for Steel Bars

2015-06-08 11:47:23   Comment:0 Hits:
  A new ASTM International standard supports corrosion protection for steel reinforcing bars galvanized by zinc or zinc-alloy coatings for protection from corrosion.

  The standard (A1094/A1094M, Specification for Continuous Hot-Dip Galvanized Steel Bars for Concrete Reinforcement) provides a high-performance, low cost option for building and protecting concrete structures.

  ASTM member Gary Dallin is the director of the GalvInfo Center, a program of the International Zinc Association. Dallin notes that in addition to protection, the unique fabrication properties of the bars covered by the standard will help minimize installation and long-term maintenance costs.

  “Galvanizing is a proven and effective way to protect reinforcing bar from corrosion, as it provides both barrier and galvanic protection to the steel substrate,” says Dallin. “It also increases the chloride threshold of the reinforcing bar.”

  According to Dallin, the new standard will be useful to several entities:

  • State and federal specifying bodies for bridge and road infrastructure;

  • Engineering and contracting firms;

  • Producers of precast concrete products;

  • Manufacturers that will use the standard to confirm that product parameters meet the specification; and

  • Laboratories that will use it for product testing requirements.

  “According to the World Corrosion Organization, the worldwide cost of corrosion is currently in the same order of magnitude as the cost to produce and distribute food worldwide,” says Dallin. “This standard will make a positive impact in reducing these huge costs while improving the sustainability of global infrastructure.”

  Hebei shengtian pipe-fitting group Co., ltd is specialized in manufacturing and exporting forged flanges and carbon steel pipe fitting. In additation to the standard products mentioned above, we are also able to make non-standard, special-designed items according to customers’ requirement. Should any of the items be of your interests, please do not hesitate to contact us for latest information.

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