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  • ASTM B240-17

ASTM B240-17

  • standard by ASTM International, 11/01/2017
  • Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloys in Ingot Form for Foundry and Die Castings
  • Category: ASTM

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Full Description

1.1 This specification covers commercial zinc and zinc-aluminum (ZA) alloys in ingot form for remelting for the manufacture of pressure die castings, foundry castings and continuous cast bar stock as designated and specified in Table 1. Seven alloy compositions are specified, designated as follows:

Common

Traditional

ASTMA

UNSA

 

 

 

 

Alloy 3

Zamak 3

AG 40A

Z33524

Alloy 7

Zamak 7

AG 40B

Z33526

Alloy 5

Zamak 5

AC 41A

Z35532

Alloy 2

Zamak 2

AC 43A

Z35544

ZA-8

ZA-8 

...

Z35637

ZA-12

ZA-12

...

Z35632

ZA-27

ZA-27

...

Z35842

ACuZinc52

ACuZinc5

...

Z46540
(A) See Table 1, footnote B.
(A) Zinc alloy ingot for die casting may contain nickel, chromium, silicon, and manganese in amounts of up to 0.02, 0.02, 0.035 and 0.05 %, respectively. No harmful effects have ever been noted due to the presence of these elements in up to these concentrations and, therefore, analyses are not required for these elements, except that nickel analysis is required for Z33526.
(B) ASTM alloy designations were established in accordance with Practice B275. UNS assignations were established in accordance with Practice E527. The last digit of a UNS number differentiates between alloys of similar composition. UNS designations for ingot and casting versions of an alloy were not assigned in the same sequence for all alloys.
(C) For purposes of acceptance and rejection, the observed value or calculated value obtained from analysis should be rounded to the nearest unit in the last right-hand place of figures, used in expressing the specified limit, in accordance with the rounding procedure prescribed in Practice E29.
(D) When this material is

Product Details

Published:
11/01/2017
Number of Pages:
4
File Size:
1 file , 80 KB
Redline File Size:
2 files , 150 KB
Note:
This product is unavailable in Russia, Ukraine, Belarus

Document History

ASTM B240-22

ASTM B240-17

ASTM B240-10

ASTM B240-09

ASTM B240-07e1

ASTM B240-07

ASTM B240-06

ASTM B240-05

ASTM B240-04e1

ASTM B240-04

ASTM B240-98e1

ASTM B240-01e1

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