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771.0

AA 771.0 | Sand casting; temper not specified for composition

Each value is checked in at least three authoritative issuer publications. Some issuers reproduce a shared standard; these are not independent experiments. Do not use as certified design allowables. View sources ↗

No reviewed mechanical claim for this record.

Chemical composition

Only reviewed weight-percent bounds are listed. A blank bound means only the other threshold was reported.

Element / source labelMinimum wt%Upper wt%
Si—0.15
Fe—0.15
Cu—0.1
Mn—0.1
Mg0.81.0
Cr0.060.2
Zn6.57.5
Ti0.10.2

AA 771.0 casting chemistry is checked against the AA Pink Sheets, St. Paul Foundry, and Trialco production specifications. These are issuer-published limits, not independent assays. The Others (each) limit is withheld pending a third issuer. Adjacent ingot columns are separate grades; blanks are unspecified, not zero. Mechanical, thermal, and physical properties need separate condition-specific review. The Others (total) field is withheld because the three issuer documents conflict on its upper limit.

Physical and thermal properties

PropertyReported valueUnitCondition
No reviewed physical or thermal claim for this record.

Evidence

Pink Sheets, Revised August 2025 — The Aluminum Association

771.0 Aluminum Technical Data Sheet — St. Paul Foundry

Trialco Production Alloy Specs: 700 Series, 771.0 casting spec — Trialco Aluminum, LLC

Show the exact source location for each value

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