Gost 2685-75 — Pdf [updated]

: A medium-strength alloy often used for shaped castings. It typically features a tensile strength ( σBsigma sub cap B

: Frequently used as a substitute in various mechanical designs and brackets. Standard Status and Modern Alternatives

The GOST 2685-75 standard covers aluminum alloys intended for the production of shaped castings. It classifies alloys based on their chemical composition and the specific casting method used, such as: gost 2685-75 pdf

: Generally allows for higher iron content compared to sand casting.

: Often allows for the highest levels of impurities (up to 2.10% total) to accommodate the rapid cooling and manufacturing process. Key Alloy Examples and Properties : A medium-strength alloy often used for shaped castings

: Specific impurity limits, such as iron content, are strictly defined for these methods.

) of at least 147 MPa and a Brinell hardness of 45 MPa. It is primarily composed of aluminum with 4.5–6% Silicon and 2–3% Copper. It classifies alloys based on their chemical composition

Several well-known aluminum grades fall under this specification, each tailored for specific industrial needs:

: Known for higher magnesium content (9.3–10%), this grade offers improved mechanical properties, which can be further enhanced by 15–20% if iron and silicon impurities are limited to 0.030%.

Engineers and researchers requiring the exact technical tables or heat treatment regimes (such as the T2 condition) can find digital copies of GOST 2685-75 PDF through official regulatory libraries and document suppliers like RussianGost. Russian Gost RussianGost|Official Regulatory Library - GOST 2685-75