31 Pickling Jobs

We are hiring proactive and experienced Production Engineer to join our Cold Rolling Mill operations. The ideal candidate will be responsible for managing production activities, ensuring product quality, and driving continuous improvement initiatives Required Candidate profile Location: Ahmedabad Industry: Steel / Metal Processing Experience Required: 3–8 Years in steel or metal in cold rolling mills Education: B.Tech/B.E. in Mechanical, Metallurgy, or related discipline

Role & responsibilities Supervising maintenance and repair of electrical equipment & Mechanical Equipment's within the annealing, pickling, roll shop, CRM processes. Ensuring optimal performance and reliability. This role involves planning and executing preventive and predictive maintenance Managing breakdowns, and troubleshooting issues to minimize downtime. The position also requires strong leadership, technical expertise, and a focus on safety and quality standards. Good in MS Office / Excel/PP etc. Responsible for maintenance, operation, and efficiency of a company's utility systems (like power, water, compressed air, etc.). Ensuring reliable utility supply to support production, manage costs, and maintain safety and environmental compliance. This role involves both hands-on work and managerial responsibilities, including team supervision, budget management, and continuous improvement initiatives. Preferred candidate profile Prefer candidate from Steel industry. Interested candidates can share CV on harshada.bhagare@j2es.in or call on 9172926500

Role & responsibilities Responsible for supervising daily operations of APL line, roll shop, Cold rolling mill, Annealing, pickling etc Ensuring efficient production, maintaining quality standards, and managing the team Supervising production processes, coordinating with other departments, and implementing improvements to optimize performance and minimize downtime Allocation of manpower, training, and ensuring adherence to safety regulations. Good in MS Office / Excel/PP etc. Supervising personnel, managing production schedules, maintaining equipment, and ensuring adherence to safety and quality standards Taking a key part in planning, problem-solving, and continuous improvement initiatives within the roll shop Preferred candidate profile Candidate having experience to work on Cold rolling mill, Continuous Annealing line, Roll shop, pickling line production. Prefer Candidate from Steel industry Interested candidates can share your cv to harshada.bhagare@j2es.in or call on 9172926500

Urgent openings for & Picker /Packer Hyderabad location Company's : Apollo Pharmacy Work : Picker & packer Location : Hyderabad Only Gender : Male Age : 18 to 30 years Qualification : SSC to Degree Exp: 1 to 6 Years Salary :.15 to 18k ESI + PF. Shift timing's will confirmed by Store In charge... More Details Contact me Bramha Reddy-8142684115 Only interested candidates contact me..

Responsibilities: Position for AGM and Sr Manager Lead green field & brownfield projects from concept to commissioning Oversee automation, electrical installations, pickling processes Manage blast furnace & steel plant maintenance schedules Role Overview: We are seeking a dynamic and results-driven professional to lead and execute large-scale Greenfield and Brownfield projects in stainless steel manufacturing. The role requires strong expertise in project planning, execution, commissioning, and stabilization of advanced metallurgical facilities, with a focus on electrical, automation, and mechanical systems. Key Responsibilities: Lead end-to-end execution of large-scale projects including Cold Rolling Mills (20-Hi), Annealing & Pickling Lines, Bright Annealing Lines, and auxiliary facilities (compressors, substations, roll grinders, etc.). Successfully operationalize new plants within stringent timelines and budgets, overcoming technical and supplier-related challenges. Drive commissioning of high-capacity lines such as HAPL+CAPL combo lines with ABB/Andritz systems, ensuring optimal throughput and speed. Manage multi-disciplinary Greenfield and Brownfield projects involving global suppliers and technology partners from Europe and Asia. Spearhead process stabilization initiatives across rolling, pickling, galvanizing, and casting lines to enhance efficiency and quality. Lead electrical and automation projects, including revamping of mills and integration of advanced automation platforms. Collaborate with internal stakeholders, suppliers, and consultants for seamless project execution and technical excellence. Ensure compliance with safety, environmental, and statutory requirements during project execution and plant operations. Mentor and develop cross-functional teams to build project execution capability and technical expertise. Candidate Profile: Education: B.E./B.Tech in Electrical/Mechanical/Automation Engineering (Higher qualifications preferred). Experience: 8-15 years in steel/stainless steel industry, with a proven track record in project execution, commissioning, and maintenance of large metallurgical facilities. Technical Expertise: Rolling Mills (20-Hi, section mills, galvanizing, pickling lines) Automation platforms (ABB, Rockwell, Siemens) Greenfield & Brownfield project execution Auxiliary facilities (compressors, substations, roll grinders, converters, casters) Leadership Skills: Strong people management, cross-functional collaboration, supplier negotiations, and stakeholder management. Behavioral Competencies: Result-oriented, problem-solving mindset, ability to deliver under pressure, and strong project governance.

Manpower optimization & deployment training Ensure adherence of work safety Protocols Ensuring adherence of SOP at all levels & monitoring process control Timely identification& troubleshooting of issue related to process machine & Materials Required Candidate profile Must have B tech Mechanical Must have 1-2 yrs experiences in Rolling Mills ( Cold Rolling mills ), Knowledge of annelling, Pickling, Slitting will be preferable Immediate joiner will be prefer

Daily field work Reporting to ASM Increase sales Increase Distributors

Identify potential crops/products suitable for value addition based on local availability and market demand. Design and implement value addition strategies for fruits, vegetables, grains, and other farm produce (e.g., dehydration, pickling, flour processing, snacks). Develop low-cost, scalable processing techniques suitable for smallholder farmers or FPOs. Assist in setting up processing units, quality control protocols, and food safety standards (FSSAI compliance). Conduct training programs and capacity building for farmers, women SHGs, and local entrepreneurs on value addition, shelf-life extension, and hygiene practices. Support in branding, packaging design, and market linkage of value-added products. Maintain detailed documentation of R&D activities, standard operating procedures (SOPs), and outcomes.

Job Title: Mechanical Engineer Mills Section (Cold Rolling Mill) Job descriptionJob Title: JE/AE Mechanical Engineer Mills Section (Cold Rolling Mill) Department: Mechanical Location: Rabirun Vinimay Private Limited (RVPL), Kharagpur, West Bengal Experience Required: 2-6 years Industry: Steel Manufacturing Company Overview: Jindal Stainless Limited is one of Indias largest and most respected stainless steel manufacturers. With a strong emphasis on operational excellence, innovation, and sustainability, we serve diverse sectors ranging from infrastructure and automotive to consumer durables. We are seeking a dynamic and detail-oriented professional to join our Mechanical team in the role of JE/AE at our Kharagpur Plant- RVPL. Key Responsibilities Routine Maintenance & Troubleshooting : Carry out preventive, predictive, and breakdown maintenance for mill components such as rolls, bearings, gearboxes, mill stands, hydraulic and pneumatic systems, lubrication systems, pumps, and other supporting equipment. Process Optimization : Work on optimizing mill performance, rolling parameters, and equipment reliability to maximize production efficiency and product quality. Technical Support : Provide on-site support during roll changes, size changes, and major maintenance shutdowns, ensuring correct alignment and installation of equipment; assist in equipment upgrades or modifications as needed. Safety & Documentation : Follow plant safety protocols, participate actively in safety programs, and maintain proper documentation for maintenance, breakdowns, and preventive actions (such as SMPs, SOPs, and EOPs); keep logbooks up to date with all relevant activities and improvements. Root Cause Analysis : Investigate equipment failures, conduct root cause analysis, and implement corrective and preventive actions to reduce downtime and recurrence of issues. Required Skills & Qualifications Diploma in Mechanical Engineering. 26 years of relevant hands-on experience in mechanical maintenance or engineering in cold rolling mills or related heavy steel industry environments. Solid knowledge of rolling mill mechanical systems, hydraulic and pneumatic systems, and bearing assemblies. Experience with preventive and breakdown maintenance, and knowledge of tools like SAP or other maintenance software is an advantage. Familiarity with ISO, OHSAS, safety, and quality documentation standards. Strong analytical and troubleshooting skills; ability to read engineering drawings and technical documentation. Good communication, teamwork, and organizational skills. Ability to work rotating shifts and during planned/unplanned shutdowns as required.

Intrested candidates can share cv on- sonam.thakur@cielhr.com/gunjan@cielhr.com Key Responsibilities 1 . Preventive & Predictive Maintenance i. Develop and implement maintenance plans for Power substation 66KV, LT distribution panel, DC caster, Furnaces, Hot rolling, Cold rolling mills, Sliting, Pickling, Utilities. 2. Breakdown & Emergency Repairs i. Lead quick response to unplanned breakdowns, minimizing downtime. ii. Conduct root cause analysis (RCA) and implement permanent corrective actions. 3. Equipment Management Inspection, servicing, Power substation, DC Caster, Cold Rolling Mills, Motors, & utilities. 4. Team Leadership i. Supervise and guide the teams. ii. Plan manpower for shifts, maintenance schedules, and shutdowns. 5. Safety & Training i. Ensure all maintenance work complies with safety standards. ii. Maintain inspection records and statutory compliance. iii. Conduct skill training and ensure safety discipline. 6. Shutdown & Turnaround Planning i. Prepare detailed plans for annual or major shutdowns. ii. Coordinate with production, stores, purchase and vendors for smooth execution. 7. Spare Management i. Maintain adequate stock of critical spare parts for casting and rolling equipment & Utilities. ii. Standardize parts to reduce costs and lead time. 8. Budgeting & Cost Control i. Monitor expenses and implement cost-saving measures. 9. Vendor & Contractor Coordination i. Manage AMC and other vendors visits for cranes, Compressor, etc. ii. Supervise contract labour for maintenance jobs. 10. Documentation & Reporting i. Maintain history cards, maintenance logs, failure analysis reports. ii. Report on key metrics: Downtime, MTTR, MTBF, availability, Maintenance cost per ton & other KPIs.

As a Recruiting - local steel company sales technical consultant, you will be responsible for bringing in experienced individuals in the Indian Steel industry, with a focus on those with 5-10 years of experience in rolling companies. Preference will be given to candidates with a background in companies such as JSW, TATA, SAIL, AMNS. Ideally, you should possess specialized technical knowledge in iron making, steel making, and rolling processes such as PCL, CGL, CAL, etc. Candidates with hands-on experience in operating hot rolling mills, pickling, cold rolling mills, annealing furnaces, and plating processes like hot-dip galvanizing and electrogalvanizing will be preferred. A comprehensive understanding of the rolling process is also desirable. This position offers flexibility in terms of working conditions, allowing you to work either in the Pune office or remotely from home. Salary will be commensurate with experience. If you have a minimum of 5 years of experience in iron making, steel making, and rolling, production, maintenance, quality, and purchasing in an Indian Steel Company, we encourage you to apply. The preferred work location is Pune, Maharashtra. If you meet the above requirements and are interested in this full-time position, please share your CV with us at skypeakjobs@gmail.com.,

Greetings from Manpower Resources India (P) ltd. Manpower Resources India Pvt. Ltd is a leading Executive Search & Selection company, caters to recruitment services in Manufacturing, Infrastructure, Engineering & Healthcare domain. We have been mandated by a large conglomerate into Stainless Steel Manufacture. Job Title: Section Incharge Mechanical Department: Wire Rod Pickling Plant Mechanical Maintenance Location: Boisar, Maharashtra Experience: 10 15 Years (preferably in process plants, pickling lines, or steel wire plants) Qualification: B.E. / B.Tech Mechanical / Production Engineering Purpose of the Role: To manage the overall mechanical maintenance and production functions of the Wire Rod Pickling Plant, including Annealing & Pickling lines (AP Line), Effluent Treatment Plant (ETP), and Dispatch, ensuring optimal equipment availability, production efficiency, cost control, and adherence to safety and quality standards. Key Responsibilities: Plant Operations & Maintenance: Oversee mechanical maintenance and smooth operation of AP Line, ETP, and Dispatch sections. Ensure high equipment availability through preventive and breakdown maintenance. Production Management: Achieve production targets as per defined quality standards and SOPs. Coordinate with QA/QC for handling non-conformities in Annealed & Pickled products. Ensure documentation and adherence to production processes and customer specifications. Planning & Coordination: Collaborate with PPC for daily/weekly/monthly production and dispatch planning. Work closely with the Plant Head and PPC for new product development and implementation. Improvement Initiatives: Identify and implement improvement and cost reduction initiatives. Recommend corrective actions to minimize downtime and process rejections. Address deviations in process cost and take actions for optimization. Quality & Process Control: Implement new production practices and process improvements. Drive quality systems such as TPM, ISO, 5S, and lean manufacturing practices. Promote continuous improvement and adherence to best manufacturing practices. Safety & Compliance: Ensure compliance with EHS guidelines and legal requirements. Drive safety initiatives and monitor adherence to environmental and statutory norms.

Position : Project Incharge - Sr Manager/ AGM Location : Palghar Prescribed Experience Range : 10 + Years Qualification : BE/B.tech in Mechanical / Production/Industrial Engineering Must have experience in Stainless Steel Acid Tunnel Pickling plant wire rod shot blasting machines. Job Purpose: The incumbent will be responsible as Project incharge in Wire rod Tunnel Pickling plant, Shot blasting Machines.. Roles & Responsibilities: Define project scope, timelines, and milestones for Wire Rod Pickling Plant and related utilities. Prepare and manage project budgets, schedules, and resource plans. Track project progress and ensure adherence to the master schedule. Review and approve engineering drawings, P&IDs, GA drawings, and layout plans. Coordinate with design consultants, OEMs, and internal engineering teams. Ensure technical specifications meet process requirements and industry standards. Identify and finalize suppliers for pickling tanks, shot blasting systems, acid handling units, and auxiliary equipment. Monitor vendor performance and ensure timely supply and installation of equipment. Negotiate contracts and resolve vendor-related issues proactively. Oversee site activities including civil, mechanical, and electrical work. Ensure timely and safe erection of equipment and structures. Lead the commissioning team and ensure system readiness for handover to operations. Ensure strict adherence to QA/QC protocols and compliance with ISO, OSHA, and environmental standards. Implement safety management systems and enforce use of PPE and safe work practices. Conduct risk assessments and implement mitigation measures. Serve as the single point of contact for internal and external stakeholders. Report progress to senior management and participate in steering committee reviews. Provide technical leadership and mentorship to junior engineers and supervisors.

Greetings from Manpower Resources India (P) ltd. Manpower Resources India Pvt. Ltd is a leading Executive Search & Selection company, caters to recruitment services in Manufacturing, Infrastructure, Engineering & Healthcare domain. We have been mandated by a large conglomerate into Stainless Steel Manufacture. Job Title: Section Incharge Electrical Department: Wire Rod Pickling Plant Electrical Maintenance Location: Boisar, Maharashtra Experience: 10 – 15 Years (preferably in process plants, pickling lines, or steel wire plants) Qualification: B.E. / B.Tech – Electrical Engineering Purpose of the Role: To ensure smooth and uninterrupted operation of electrical systems in the pickling plant by performing effective maintenance, troubleshooting, and support for all electrical and automation systems in compliance with safety and operational standards. Key Roles & Responsibilities: Monitor and maintain electrical systems for annealing furnaces, pickling lines, motors, drives, and control panels . Respond promptly to electrical breakdowns and troubleshoot issues to minimize downtime. Ensure the smooth operation of automation systems like PLCs, SCADA, VFDs, and HMIs related to the line. Conduct preventive and predictive maintenance as per schedule and record activities systematically. Check electrical parameters such as voltage, current, insulation resistance, and system grounding periodically. Coordinate with the production team to understand operational needs and provide timely electrical support. Liaise with instrumentation and mechanical teams during cross-functional maintenance or shutdown activities. Support in commissioning, installation, and testing of new electrical equipment or upgrades. Maintain accurate records of shift-wise breakdowns, spares used, corrective actions, and downtime analysis . Prepare shift reports and ensure effective handover of tasks to the next shift. Update maintenance logs, checklists, and equipment history cards regularly. Enforce electrical safety protocols during maintenance activities, ensuring use of proper PPE. Ensure all work is carried out as per SOPs, electrical safety norms, and LOTO procedures . Identify potential electrical hazards in the plant and take preventive and corrective actions proactively.

3years postqualification in anodizing, chemical milling, plating (Zn, Ni, Cd, hard chromium or 1year Technician Apprenticeship under Apprenticeship Act,1961Experience in large/mediumscale manufacturing (preferably aerospace/defense)

Greetings from Manpower Resources India (P) ltd. Manpower Resources India Pvt. Ltd is a leading Executive Search & Selection company, caters to recruitment services in Manufacturing, Infrastructure, Engineering & Healthcare domain. We have been mandated by a large conglomerate into Stainless Steel Manufacture. Job Title: Shift Engineer / Section Incharge Electrical Department: Wire Rod Pickling Plant – Electrical Maintenance Location: Boisar, Maharashtra Experience: 2 – 3 Years (preferably in process plants, pickling lines, or steel wire plants) Qualification: B.E. / B.Tech – Electrical Engineering Purpose of the Role: To ensure smooth and uninterrupted operation of electrical systems in the pickling plant by performing effective maintenance, troubleshooting, and support for all electrical and automation systems in compliance with safety and operational standards. Key Roles & Responsibilities: Monitor and maintain electrical systems for annealing furnaces, pickling lines, motors, drives, and control panels . Respond promptly to electrical breakdowns and troubleshoot issues to minimise downtime. Ensure the smooth operation of automation systems like PLCs, SCADA, VFDs, and HMIs related to the line. Conduct preventive and predictive maintenance as per schedule and record activities systematically. Check electrical parameters such as voltage, current, insulation resistance, and system grounding periodically. Coordinate with the production team to understand operational needs and provide timely electrical support. Liaise with instrumentation and mechanical teams during cross-functional maintenance or shutdown activities. Support in commissioning, installation, and testing of new electrical equipment or upgrades. Maintain accurate records of shift-wise breakdowns, spares used, corrective actions, and downtime analysis . Prepare shift reports and ensure effective handover of tasks to the next shift. Update maintenance logs, checklists, and equipment history cards regularly. Enforce electrical safety protocols during maintenance activities, ensuring use of proper PPE. Ensure all work is carried out as per SOPs, electrical safety norms, and LOTO procedures . Identify potential electrical hazards in the plant and take preventive and corrective actions proactively.

Urgent openings for & Picker /Packer Hyderabad location Company's : Apollo Pharmacy Work : Picker & packer Location : Hyderabad. Locality: Sanath Nagar & Jubilee Hills Gender : Male Age : 18 to 30 years Qualification : SSC to Degree Salary :.14 to 16k ESI + PF incentives available Shift timing's will confirmed by Store In charge... More Details Contact me Chilam Praveen Kumar- 9177962210 Only interested candidates contact me.. Thank you..

Responsibilities: * Maintain inventory levels * Load trucks efficiently * Follow safety protocols at all times * Meet production targets * Pick items accurately Health insurance Office cab/shuttle

Urgent openings for & Picker /Packer Hyderabad location Company's : Apollo Pharmacy Work : Picker & packer Location : Hyderabad Only Gender : Male Age : 18 to 30 years Qualification : SSC to Degree Salary :.14 to 18k ESI + PF incentives available Shift timing's will confirmed by Store In charge... More Details Contact me Bramha Reddy 8142684115 Only interested candidates contact me..

Greetings from Manpower Resources India (P) ltd. Manpower Resources India (P) Limited, a leading Executive Search company, offers services in Power, Steel, Infrastructure, Oil & Gas, Cement, Engineering space. We have been mandated by a large conglomerate in stainless steel manufacturing for the below mentioned position. Job Title: Section In-charge - Manager / Sr. Manager (Pickling & Annealing) Department: WRM Location: Palghar Experience Required: Minimum 10+ years Qualification: B.E / B. Tech / Diploma in Mechanical Engineering Key Responsibilities: Should have in depth of knowledge of Stainless steel Wire rod Heat Treatment and Pickling. Manage and control over all functioning of the Production, Maintenance of AP line , ETP & Dispatch. To suggest, verify the implementation of improvement & cost reduction actions To recommend or suggest solutions to management for reducing rejection & down time. To be responsible for taking actions on process cost deviations to act to reduce the process cost. To Achieve Target Production with quality as per customer specifications with defined SOPs. To interact with QA & QC for non-conformance in Annealed & Pickled product. To coordinate with PPC and Plant head for new product development and document the production process / guidelines of the same To review with PPC for daily/weekly/monthly Production & Dispatch plan, achive complaince for the same. To be responsible for implementing new standards and practices at the unit level for more effective planning and production. To be responsible for taking actions on EHS related activities and Legal compliances. Process improvement & quality management (TPM, ISO, 5s, Housekeeping) of Ann/Pick. & Dispatch.

Greetings from Manpower Resources India (P) ltd. Manpower Resources India (P) Limited, a leading Executive Search company, offers services in Power, Steel, Infrastructure, Oil & Gas, Cement, Engineering space. We have been mandated by a large conglomerate in stainless steel manufacturing for the below mentioned position. Job Title: Project In-charge Sr. Manager / Asst. General Manager (Pickling Plant-Project) Department: WRM Location: Palghar Experience Required: Minimum 10+ years Qualification: B.E / B. Tech / Diploma in Mechanical Engineering Key Responsibilities: Project - Wire rod Tunnel Pickling plant, Shot blasting Machines. (Stainless Steel Acid Tunnel Pickling plant wire rod shot blasting machines) Define project scope, timelines, and milestones for Wire Rod Pickling Plant and related utilities. Prepare and manage project budgets, schedules, and resource plans. Track project progress and ensure adherence to the master schedule. Review and approve engineering drawings, P&IDs, GA drawings, and layout plans. Coordinate with design consultants, OEMs, and internal engineering teams. Ensure technical specifications meet process requirements and industry standards. Identify and finalize suppliers for pickling tanks, shot blasting systems, acid handling units, and auxiliary equipment. Monitor vendor performance and ensure timely supply and installation of equipment. Negotiate contracts and resolve vendor-related issues proactively. Oversee site activities including civil, mechanical, and electrical work. Ensure timely and safe erection of equipment and structures. Lead the commissioning team and ensure system readiness for handover to operations. Ensure strict adherence to QA/QC protocols and compliance with ISO, OSHA, and environmental standards. Implement safety management systems and enforce use of PPE and safe work practices. Conduct risk assessments and implement mitigation measures. Serve as the single point of contact for internal and external stakeholders. Report progress to senior management and participate in steering committee reviews. Provide technical leadership and mentorship to junior engineers and supervisors.

Role Summary We are looking for a detail-oriented Picker Packer to join our warehouse and fulfillment team. This person will be responsible for accurately picking, packing, and preparing coffee and bakehouse products for delivery, ensuring each order reflects Subkos high-quality standards. Key Responsibilities Pick and pack coffee beans, merchandise, and baked goods as per daily online and retail orders Ensure accurate labeling, packaging, and presentation for each item Perform quality checks on items before packing Prepare orders for dispatch via in-house logistics or delivery partners (e.g., Dunzo, Porter, etc.) Maintain cleanliness and organization in the packaging station and stock areas Assist in inventory checks and restocking activities Coordinate with warehouse and retail teams for priority orders and special requirements Follow health and safety standards while handling food items and packaging materials Required Skills & Qualifications Prior experience in warehouse, fulfillment, or packing preferred (12 years) Basic understanding of order processing and packaging standards Ability to work in a fast-paced environment with high attention to detail Team player with good communication skills

Responsibilities: * Follow safety protocols at all times * Maintain inventory levels by picking & packing products accurately * Assemble orders with labels & barcodes * Load/unload Annual bonus

Desired Candidate Profile 1-6 years of experience in pickling operation or related field (e.g., annealing). Strong understanding of degreasing processes and techniques. Familiarity with coating application methods and washing procedures.

Role & responsibilities Attend Mechanical breakdowns of 4 HI, 6 HI cold rolling mill, Pickling line, TADL line, Furnaces etc. Find out root cause of breakdown. To ensure proper action is taken on detected and potential non-conformities (CA & PA) Perform preventive, corrective, and breakdown maintenance on cold rolling mills, pickling lines, and TADL equipment, Furnaces. Conduct daily inspections to identify potential failures and take proactive measures to prevent downtime. Coordinate with production and electrical teams to ensure smooth operation and quick resolution of issues. Maintain and troubleshoot mechanical systems like gearboxes, pumps, bearings, hydraulic and pneumatic systems, and conveyor systems. Supervise and support installation and commissioning of new machinery or modifications. Ensure proper use of maintenance tools and adherence to safety protocols during maintenance work. Ensure Resource Availability (Consumables, Crane ,Man power etc) & Manage spare parts inventory for critical equipment and liaise with vendors for procurement. Create and maintain maintenance records , machine history, and failure analysis reports. Ensure training is planned & conducted IMS activity to be performed on daily basis. Monitor contractor performed job within organization rule. Arresting the Air, steam & oil leakage. Fulfilment of "Part of FORM 3" against hazardous waste generated in department. Preferred candidate profile Preferred candidate from Steel industry having experience on 4HI, 6HI cold rolling mill maintenance