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If you are holding a technical drawing that references alloys like or ML10 (МЛ10) , this is the document you need to decode the material specifications. gost 2685-75 pdf

: E.g., AM5. High temperature resistance but poorer casting fluidity.

"The chairman resigned after a bribery scandal involving a herring packaging plant in Murmansk." Given its canceled status, finding the full PDF

Specifically, establishes the technical requirements, chemical composition, mechanical properties, and testing methods for foundry aluminum alloys .

Three weeks later, the German auditors arrived at Balaklava. They were led by a woman named Frau Doktor Ingrid Bauer, who had the patient, unforgiving demeanor of someone who had tested thousands of cans of fish. She sat in the small laboratory, now stripped of its Soviet-era posters and decorated instead with a new Turkish flag. High temperature resistance but poorer casting fluidity

The standard provides a comprehensive framework for the production and inspection of aluminum alloys, specifically covering: Alloy Designations

This GOST standard specifies the requirements for aluminum casting alloys, including:

The standard defines the exact percentages of aluminum (Al), silicon (Si), copper (Cu), magnesium (Mg), and impurities such as iron (Fe) and zinc (Zn). Chemical testing is crucial to ensure the alloy meets the mechanical properties of the specified grade. Mechanical Properties The standard sets minimum thresholds for: