2025-01-20
• Including the strength, hardness is too low, does not meet the national standard, or the plasticity is too low, not fully softened does not meet the technical requirements, etc.
• These problems may be caused by the extrusion temperature is too low, the profile cannot reach the quenching temperature, the artificial aging system is not suitable, the instrument is out of control, the furnace temperature is too high or too low, and the ingot structure is not uniform.