Given that the standard is superseded, finding an official, legally valid PDF can be challenging. Here is a guide to the most reliable sources.
| | Fe (%) | Si (%) | Mg (%) | Cu (%) | Zn (%) | Ni (%) | Al (%) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | AL1 (GOST 2685-75) | < 0.8 | < 0.7 | 1.25–1.75 | 3.75–4.5 | < 0.1 | 1.75–2.25 | 90.1–93.25 | | AL6 (GOST 2685-75) | ≤ 1.1 | 4.5–6 | ≤ 0.1 | 2–3 | ≤ 0.3 | - | Rest | | AL8 (GOST 2685-75) | ≤ 0.3 | ≤ 0.3 | 9.3–10 | ≤ 0.1 | ≤ 0.1 | - | Rest |
: Engine parts, hydraulic components, and complex housing. 3. AL2 (AЛ2) System : Al-Si (Binary Silumin) gost 2685-75 pdf
Heavy-duty structural parts in aviation and military hardware. Group IV: Aluminum-Magnesium Alloys Common Grades: АМг6л (АЛ19), АМг11 (АЛ22)
Highly responsive to natural aging, providing good strength without mandatory high-temperature heat treatments. Common Alloy Grades Defined in the Standard Given that the standard is superseded, finding an
Precise percentages of silicon, copper, magnesium, zinc, and manganese.
Often used in aerospace and automotive components due to its strength and casting properties. AL2 (АЛ2): A widely used grade for general engineering purposes. Government e-Marketplace Content of the Standard Common Alloy Grades Defined in the Standard Precise
: E.g., AMg10. Excellent corrosion resistance and high ductility. 4. Technical Details to Look For in the PDF
The development of GOST 2685-75 involved a collaborative effort between government agencies, research institutions, and industry experts. The standard was designed to be compatible with existing Soviet manufacturing standards, while also taking into account international best practices and technological advancements.
The GOST 2685-75 PDF has become a valuable resource for several reasons: