According to the official RussianGost Regulatory Library , the standard establishes the outer diameter, wall thickness, and theoretical mass of these tubes.
The standard specifies the range and dimensions for seamless cold-deformed steel tubes . This Soviet-era interstate standard covers high-precision tubes with superior surface finish and mechanical strength, making them essential for demanding industrial applications like hydraulic systems and aircraft construction. Key Technical Specifications gost 8734 75 pdf skachat