Steel Rolling Equipment Maintenance Project at a Steel Mill

Steel Mill Rolling Equipment Maintenance
Steel Metallurgy

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.

High-Temperature Hydraulic Torque Wrench (15000Nm)
Heavy-Duty Hydraulic Pump (High Flow)
Quick Disconnect Couplings (Quick Connect/Disconnect)
Dust-proof Sealing Tool Kit

Implementation Results

3.5 hours
Complete all fastening
Complete 0.5 hours in advance
Resume production early
Minimize downtime losses
Save millions in costs
Durable and reliable
Device performance is stable.
Built for harsh conditions

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.
— Equipment Director at a Steel Mill

Have a similar project in mind?

Our engineering team will provide a specialized bolt preloading solution tailored to your specific operating conditions.