Despite being superseded, GOST 2685-75 remains a valuable historical document and is frequently referenced in technical literature, older repair manuals, and in the specifications for legacy industrial equipment. For current manufacturing projects, however, it is crucial to refer to the latest version (GOST 1583-93 or its modern equivalent) to ensure compliance.
When you open the document, ensure you check these specific sections:
A machinist complains the OD is inconsistent.
Since this is an older Soviet-era standard, finding a free digital version can be difficult, as many sources are paid, official regulatory repositories.
Used for structural castings requiring pressure tightness. AL9: Used for high-strength casting parts.
: Minimum tensile strength and elongation for different casting methods (sand casting, chill casting, etc.). Heat Treatment
Several well-known aluminum grades fall under this specification, each tailored for specific industrial needs:
You might wonder why a standard from 1975 is still in demand. The answer lies in infrastructure and legacy systems.
GOST 2685-75 (ГОСТ 2685-75) is a Soviet-era national standard that specified marks, technical requirements and test methods for aluminium casting alloys. It defined composition limits, mechanical and technological properties, quality requirements for castings, and test procedures. The standard has been superseded by later standards (e.g., GOST 1583-89 and subsequent updates), but it remains relevant for understanding historical classifications, legacy drawings, older foundry practice, and inspection of equipment or parts made under that spec.
In 2015, the Russian Federation began harmonizing its GOST standards with ISO. is currently under review for replacement by GOST ISO 1224-1 (Instrument bearings – single-row angular contact ball bearings). However, due to the massive installed base of legacy machinery, the 2025 to 2030 transition period means the PDF will remain a valid reference for decades.
The Rosstandart (Federal Agency for Technical Regulation) website is the primary official source.
Despite being superseded, GOST 2685-75 remains a valuable historical document and is frequently referenced in technical literature, older repair manuals, and in the specifications for legacy industrial equipment. For current manufacturing projects, however, it is crucial to refer to the latest version (GOST 1583-93 or its modern equivalent) to ensure compliance.
When you open the document, ensure you check these specific sections:
A machinist complains the OD is inconsistent.
Since this is an older Soviet-era standard, finding a free digital version can be difficult, as many sources are paid, official regulatory repositories.
Used for structural castings requiring pressure tightness. AL9: Used for high-strength casting parts. gost 2685-75 pdf
: Minimum tensile strength and elongation for different casting methods (sand casting, chill casting, etc.). Heat Treatment
Several well-known aluminum grades fall under this specification, each tailored for specific industrial needs:
You might wonder why a standard from 1975 is still in demand. The answer lies in infrastructure and legacy systems.
GOST 2685-75 (ГОСТ 2685-75) is a Soviet-era national standard that specified marks, technical requirements and test methods for aluminium casting alloys. It defined composition limits, mechanical and technological properties, quality requirements for castings, and test procedures. The standard has been superseded by later standards (e.g., GOST 1583-89 and subsequent updates), but it remains relevant for understanding historical classifications, legacy drawings, older foundry practice, and inspection of equipment or parts made under that spec. Despite being superseded, GOST 2685-75 remains a valuable
In 2015, the Russian Federation began harmonizing its GOST standards with ISO. is currently under review for replacement by GOST ISO 1224-1 (Instrument bearings – single-row angular contact ball bearings). However, due to the massive installed base of legacy machinery, the 2025 to 2030 transition period means the PDF will remain a valid reference for decades.
The Rosstandart (Federal Agency for Technical Regulation) website is the primary official source.
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