is the primary interstate standard for sawn softwood (coniferous) lumber, such as pine, spruce, larch, cedar, and fir. While you asked about the 1957 version ( GOST 8486-57 ), it has been superseded by subsequent revisions, most notably GOST 8486-86 , which remains the current standard for technical requirements in many CIS countries. Key Classifications and Grades
Standard lumber is typically delivered "dry" (moisture ), natural dry, or treated with antiseptics. Defect Limits: Each grade has specific allowances for:
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
Defined as boards (доски), bars (бруски), and beams (брусья). Quality Grades:
The highest quality, primarily for export or high-end joinery.
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