Steel Rolling Equipment Maintenance Project at a Steel Mill

Customer Background
A major steel group with an annual production capacity of 1500 million tons, featuring complete ironmaking, steelmaking, and rolling lines. Product range includes plates, wire rods, and profiles, establishing the company as a key domestic steel production base.
Project Overview
- Industry:Steel Metallurgy
- Customer:Large-scale steel group
- Project Location:Tangshan, Hebei
- Implementation Time:2025 9
Technical Requirements and Challenges
High-temperature environment
Rolling mill housing bolt pre-tightening, torque value 15000Nm, high-temperature dust environment
Short downtime
Downtime is only 4 hours—time is critical.
Overload conditions
Steel rolling equipment withstands heavy impact loads.
Dust pollution
Severe dust; requires sealed, dust-proof design
Solutions & Products
High-temperature hydraulic torque wrench system with quick-connect design for dual-tool synchronous operation. Special sealing prevents dust ingress into the hydraulic system, ensuring reliable performance in harsh environments.
Implementation Results
Customer Reviews
Ailan Sheng Tech's high-temperature hydraulic wrench excels in the harsh environment of steel plants. The quick-connect design significantly reduces assembly and disassembly time. With dual-tool synchronized operation, we completed all fastening tasks within 3.5 hours, restored production ahead of schedule, and avoided massive downtime losses.
Have a similar project in mind?
Our engineering team will provide a specialized bolt preloading solution tailored to your specific operating conditions.
