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Zinc is the 24th most abundant element in the Earth's crust. The most common mined ore is "sphalerite", a zinc sulfide product.

Reference: Metal Castings

To insure success on your project, get Metalplate involved as early as possible. The most successful projects have been those where Metalplate Galvanizing was consulted prior to the start of fabrication. Metalplate will offer or be amenable to meet with the Engineer, Contractor, and Fabricator. At that time, agreements should be finalized on the application of current standards, practices, conditions and/or allowable variations. Because of its potential influence on galvanized coating development, the selection of steel chemistry should also be discussed. Additional items that should be considered include:

  • Inspection criteria
  • Allowable repair / touch-up techniques and amounts
  • Design and fabrication techniques which promote quality coatings
  • Maximum sizes and weights which can be accommodated
  • The amount of pregalvanizing fabrication to be done

ASTM.org In lieu of any other written agreements, Metalplate will galvanize to specifications and practices contained in the commonly used Hot-Dip Galvanizing ASTM Standards. These specifications & others are purchasable from http://www.astm.org

  1. A123 - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products
  2. A153 - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
  3. A780 - Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings
  4. A385 - Standard Practice for Providing High-Quality Zinc Coatings (Hot-Dip)
  5. A384 - Standard Practice for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel
  6. A143 - Standard Practice for Safeguarding Against Embrittlement of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement
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