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ASTM Zamak 3 vs ASTM Zamak 5

Related Material — 56.1% match based on chemical composition and mechanical property overlap.

ASTM Zamak 3 and ASTM Zamak 5 are both zinc grades. Both fall under the Zinc Alloys category. ASTM Zamak 3 is defined under ASTM International, originating from United States, while ASTM Zamak 5 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM Zamak 3 vs ASTM Zamak 5 is a 81.8% match. As per mechanical properties, the match is 4.8%. Combined, this makes them a related material overall at 56.1%.

Frequently Compared With ASTM Zamak 3:
ASTM Zamak 7 ASTM Zamak 2 ASTM ZA-27 ASTM SHG Zinc ASTM ZA-12 ASTM ZA-8
Match Breakdown
CHEMISTRY MATCH
81.8%
MECHANICAL MATCH
4.8%
OVERALL
56.1%
Specifications
Property ASTM Zamak 3 ASTM Zamak 5
Standard ASTM ASTM
Category Zinc Alloys Zinc Alloys
Al (%) 3.7-4.3 3.7-4.3
Mg (%) 0.02-0.06 0.02-0.06
Cu (%) 0-0.10 0.7-1.2
Fe (%) 0-0.05 0-0.05
Pb (%) 0-0.005 0-0.005
Cd (%) 0-0.004 0-0.004
Sn (%) 0-0.002 0-0.002
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 3 ASTM Zamak 5
Yield Strength ~210-225 MPa (as die cast) ~250-275 MPa (as die cast)
Tensile Strength ~280-285 MPa (as die cast) ~320-335 MPa (as die cast)
Elongation ~9-12% (as die cast) ~5-10% (as die cast)
Note Zamak 3, standard general-purpose zinc die-casting alloy Zamak 5, higher-strength general-purpose zinc die-casting alloy
Can ASTM Zamak 3 Be Substituted With ASTM Zamak 5?
ASTM Zamak 3 and ASTM Zamak 5 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 3
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Frequently Asked Questions
What is the difference between ASTM Zamak 3 and ASTM Zamak 5?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM Zamak 3 be substituted with ASTM Zamak 5?
ASTM Zamak 3 and ASTM Zamak 5 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.