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ASTM Zamak 5 vs ASTM ZA-8

Minimal Match — 41.4% match based on chemical composition and mechanical property overlap.

ASTM Zamak 5 and ASTM ZA-8 are both zinc grades. Both fall under the Zinc Alloys category. ASTM Zamak 5 is defined under ASTM International, originating from United States, while ASTM ZA-8 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM Zamak 5 vs ASTM ZA-8 is a 48.8% match. As per mechanical properties, the match is 26.7%. Combined, this makes them a minimal match overall at 41.4%.

Frequently Compared With ASTM Zamak 5:
ASTM Zamak 3 ASTM Zamak 2 ASTM Zamak 7 ASTM ZA-12 ASTM ZA-27 ASTM SHG Zinc
Match Breakdown
CHEMISTRY MATCH
48.8%
MECHANICAL MATCH
26.7%
OVERALL
41.4%
Specifications
Property ASTM Zamak 5 ASTM ZA-8
Standard ASTM ASTM
Category Zinc Alloys Zinc Alloys
Al (%) 3.7-4.3 8.0-8.8
Mg (%) 0.02-0.06 0.01-0.03
Cu (%) 0.7-1.2 0.8-1.3
Fe (%) 0-0.05 0-0.075
Pb (%) 0-0.005 0-0.006
Cd (%) 0-0.004 0-0.006
Sn (%) 0-0.002 0-0.003
Zn (%) remainder remainder
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM Zamak 5 ASTM ZA-8
Yield Strength ~250-275 MPa (as die cast) ~290-320 MPa (as cast)
Tensile Strength ~320-335 MPa (as die cast) ~370-400 MPa (as cast)
Elongation ~5-10% (as die cast) ~6-10% (as cast)
Note Zamak 5, higher-strength general-purpose zinc die-casting alloy ZA-8 zinc-aluminium alloy, indicative as-cast values
Can ASTM Zamak 5 Be Substituted With ASTM ZA-8?
ASTM Zamak 5 and ASTM ZA-8 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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ASTM Zamak 5
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ASTM ZA-8
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Frequently Asked Questions
What is the difference between ASTM Zamak 5 and ASTM ZA-8?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM Zamak 5 be substituted with ASTM ZA-8?
ASTM Zamak 5 and ASTM ZA-8 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.