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Chemical Composition - Zinc PDF

This document outlines the composition specifications for four grades of high purity zinc according to various standards: BS EN 1179 (99.995% zinc), GB/T 470-2008 (99.995% zinc), ASTM B6-12 (99.995% minimum zinc), and ISO 752 (99.995% minimum zinc). For all grades, the maximum allowable amounts of lead, cadmium, iron, tin, copper, aluminum, and total other elements are listed as 0.003%, 0.002-0.003%, 0.001-0.002%, 0.001%, 0.001%, 0.001%, and 0.005% respectively.

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Islam Sahafayat
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204 views2 pages

Chemical Composition - Zinc PDF

This document outlines the composition specifications for four grades of high purity zinc according to various standards: BS EN 1179 (99.995% zinc), GB/T 470-2008 (99.995% zinc), ASTM B6-12 (99.995% minimum zinc), and ISO 752 (99.995% minimum zinc). For all grades, the maximum allowable amounts of lead, cadmium, iron, tin, copper, aluminum, and total other elements are listed as 0.003%, 0.002-0.003%, 0.001-0.002%, 0.001%, 0.001%, 0.001%, and 0.005% respectively.

Uploaded by

Islam Sahafayat
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Special Contract Rules for Special High Grade Zinc

Quality: BS EN 1179:2003 Zinc and Zinc Alloys – Primary Zinc (Grade Classification Z1)

Element Composition in %

Nominal Zinc Content 99.995

Pb 0.003 maximum

Cd 0.003 maximum

Fe 0.002 maximum

Sn 0.001 maximum

Cu 0.001 maximum

Al 0.001 maximum

Total of all these elements 0.005 maximum

Quality GB/T 470-2008 Zinc Ingots (Zn99.995 grade)

Element Composition in %

Nominal Zinc Content 99.995

Pb 0.003 maximum

Cd 0.002 maximum

Fe 0.001 maximum

Sn 0.001 maximum

Cu 0.001 maximum

Al 0.001 maximum

Total of all these elements 0.005 maximum


Quality: ASTM B6-12 Standard Specification for Zinc (LME Grade)

Element Composition in %

Zinc, min by difference 99.995

Pb 0.003 maximum

Cd 0.003 maximum

Fe 0.002 maximum

Sn 0.001 maximum

Cu 0.001 maximum

Al 0.001 maximum

Total Non-Zinc max 0.005 maximum

Quality: ISO 752:2004 Zinc Ingots (ZN-1 Designation)

Element Composition in %

Minimum Zinc Content 99.995

Pb 0.003 maximum

Cd 0.003 maximum

Fe 0.002 maximum

Sn 0.001 maximum

Cu 0.001 maximum

Al 0.001 maximum

Permitted Total 0.005 maximum

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