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1.1 This specification covers zinc master alloys which are used in hot dip galvanizing for the purpose of adjusting the concentration of certain alloying elements in the molten zinc bath. Table 1 covers the chemical composition of these materials which include six master alloys of zinc-aluminum (brightener) and one master alloy of zinc-antimony.

 

 ASTM

  Common

 

 UNS

 

Type A-1

90/10 Zn/Al

High Purity

Z30750

 

Type A-2

90/10 Zn/Al

Low Purity

Z31710

 

Type A-3

95/5  Zn/Al

High Purity

Z30503

 

Type A-4

95/5  Zn/Al

Low Purity

Z31510

 

Type A-5

96/4  Zn/Al

High Purity

Z31520

 

Type A-6

96/4  Zn/Al

Low Purity

Z30504

 

Type S-1

90/10 Zn/Sb

 

Z55710

Product Details

Published:
10/01/2015
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