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Full Description

1.1 This specification covers grades of zinc alloys, commonly known as Continuous Galvanizing Grade (CGG) alloys that contain aluminum, or aluminum and lead and that are used in continuous hot-dip galvanizing of steel sheet. The compositions for CGG grades made from primary zinc are shown in Table 1. Exceptions for grades made from secondary zinc are found in footnote C.

1.2 Other alloy compositions not included in B852, and as may be agreed upon between the producer and the user, may be used for continuous galvanizing.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

TABLE 1 Chemical Requirements

GradeA
(UNS)
Composition,%
NominalRangeB
AluminumLeadAluminum LeadC
Z80310 0.25...0.22 to 0.280.007 max
Z80411 0.35...0.31 to 0.390.007 max
Z80511 0.45...0.40 to 0.500.007 max
Z80531 0.450.020.40 to 0.500.01 to 0.03
Z80610 0.55...0.49 to 0.610.007 max
Z80710 0.65...0.58 to 0.720.007 max
Z80810 0.75...0.67 to 0.830.007 max
Z809101.00...0.90 to 1.100.007 max
Impurities, %: IronC0.0075 max
Cadmium0.01 max
Copper0.01 max
Other Elementstotal of 0.01 max
Zinc: balance by difference

A UNS numbers in conformance with Practice E527.

B For purposes of determining conformance with this specification, an observed value obtained from analysis shall be rounded to the nearest unit in the last right-hand place of figures used in expressing the limiting value, in accordance with the rounding method of Practice E29.

C Lead and Iron levels of 0.01 % max and 0.01 % max respectively are allowed for CGG alloys produced from secondary zinc.

 

Document History

  1. ASTM B852-16(2022)


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Most Recent
  2. ASTM B852-16


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version
  3. ASTM B852-16e1


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version
  4. ASTM B852-14


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version
  5. ASTM B852-12

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    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version
  6. ASTM B852-08


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version
  7. ASTM B852-07


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version
  8. ASTM B852-01


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version
  9. ASTM B852-00A


    Standard Specification for Continuous Galvanizing Grade (CGG) Zinc Alloys for Hot-Dip Galvanizing of Sheet Steel

    • Historical Version