57 - Gost 8486

Decreasing quality levels based on the presence and size of defects. Grade 1 is typical for structural work, while Grade 4 is used for low-load tasks like crates or temporary structures. Technical Requirements

Quality assessment is typically conducted on the of the piece. Standard marking includes the lumber name, grade number, wood species, and a reference to the GOST standard. For example, a Grade 2 pine board would be marked as Board 2 Pine GOST 8486-86 . RussianGost|Official Regulatory Library - GOST 8486-86 gost 8486 57

The standard divides lumber into categories based on processing and quality: Decreasing quality levels based on the presence and

Sawn timber of softwoods. Specification. Technical ... - LiS Ltd. gost 8486 57