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ASTM Zamak 7 vs ASTM ZA-27

Minimal Match — 17% match based on chemical composition and mechanical property overlap.

ASTM Zamak 7 and ASTM ZA-27 are both zinc grades. Both fall under the Zinc Alloys category. ASTM Zamak 7 is defined under ASTM International, originating from United States, while ASTM ZA-27 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM Zamak 7 vs ASTM ZA-27 is a 25.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 17%.

Frequently Compared With ASTM Zamak 7:
ASTM Zamak 3 ASTM Zamak 5 ASTM Zamak 2 ASTM ZA-12 ASTM SHG Zinc ASTM ZA-8
Match Breakdown
CHEMISTRY MATCH
25.5%
MECHANICAL MATCH
0%
OVERALL
17%
Specifications
Property ASTM Zamak 7 ASTM ZA-27
Standard ASTM ASTM
Category Zinc Alloys Zinc Alloys
Al (%) 3.7-4.3 25.0-28.0
Mg (%) 0.005-0.020 0.01-0.02
Cu (%) 0-0.10 2.0-2.5
Fe (%) 0-0.05 0-0.075
Pb (%) 0-0.003 0-0.006
Cd (%) 0-0.002 0-0.006
Sn (%) 0-0.001 0-0.003
Ni (%) 0.005-0.020 Not specified
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 7 ASTM ZA-27
Yield Strength ~200-225 MPa (as die cast) ~370-400 MPa (as cast)
Tensile Strength ~280-300 MPa (as die cast) ~400-450 MPa (as cast)
Elongation ~10-13% (as die cast) ~3-8% (as cast)
Note Zamak 7, high-ductility low-impurity zinc die-casting alloy ZA-27 high-strength zinc-aluminium alloy, indicative as-cast values
Key Differences
Can ASTM Zamak 7 Be Substituted With ASTM ZA-27?
ASTM Zamak 7 and ASTM ZA-27 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 7
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ASTM ZA-27
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Frequently Asked Questions
What is the difference between ASTM Zamak 7 and ASTM ZA-27?
ASTM Zamak 7 specifies Ni which is not specified for ASTM ZA-27.
Can ASTM Zamak 7 be substituted with ASTM ZA-27?
ASTM Zamak 7 and ASTM ZA-27 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.