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ASTM Zamak 2 vs ASTM Zamak 3

Minimal Match — 54.5% match based on chemical composition and mechanical property overlap.

ASTM Zamak 2 and ASTM Zamak 3 are both zinc grades. Both fall under the Zinc Alloys category. ASTM Zamak 2 is defined under ASTM International, originating from United States, while ASTM Zamak 3 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM Zamak 2 vs ASTM Zamak 3 is a 81.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 54.5%.

Frequently Compared With ASTM Zamak 2:
ASTM Zamak 5 ASTM Zamak 7 ASTM ZA-12 ASTM ZA-27 ASTM ZA-8 ASTM SHG Zinc
Match Breakdown
CHEMISTRY MATCH
81.8%
MECHANICAL MATCH
0%
OVERALL
54.5%
Specifications
Property ASTM Zamak 2 ASTM Zamak 3
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 (%) 2.6-3.3 0-0.10
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 2 ASTM Zamak 3
Yield Strength ~360-400 MPa (as die cast) ~210-225 MPa (as die cast)
Tensile Strength ~390-410 MPa (as die cast) ~280-285 MPa (as die cast)
Elongation ~3-6% (as die cast) ~9-12% (as die cast)
Note Zamak 2, high-copper zinc die-casting alloy Zamak 3, standard general-purpose zinc die-casting alloy
Can ASTM Zamak 2 Be Substituted With ASTM Zamak 3?
ASTM Zamak 2 and ASTM Zamak 3 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 2
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Frequently Asked Questions
What is the difference between ASTM Zamak 2 and ASTM Zamak 3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM Zamak 2 be substituted with ASTM Zamak 3?
ASTM Zamak 2 and ASTM Zamak 3 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.