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ASTM Zamak 7 Zinc: Specifications & Listings

ASTM Zamak 7: Zinc Die Casting Alloy (High Purity)

Category: Zinc Alloys
Grade Details
GradeASTM Zamak 7
Standard ASTM
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ZnAl4Ni ISO 301 International Not yet on M-EX
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM Zamak 3 ASTM Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
Al Mg Cu Fe Pb Cd Sn Ni Zn
3.7-4.3 0.005-0.020 0-0.10 0-0.05 0-0.003 0-0.002 0-0.001 0.005-0.020 remainder
Mechanical Properties
Yield Strength ~200-225 MPa (as die cast)
Tensile Strength ~280-300 MPa (as die cast)
Elongation ~10-13% (as die cast)
Note Zamak 7, high-ductility low-impurity zinc die-casting alloy

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