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Category: Steel Manufacturing

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Blast Furnace Recovery Turbine Repairs

By on June 18th, 2020 in Steel Manufacturing

Industry Steel Manufacturing Date 2006 – 2020 Substrate Steel outlet and inlet spools, flange faces, shut off valves, turbine casing components and manway covers Products Epo-chem™ RL 500PF externally Chem-tect™ RB 364 to coat internals Epo-Chem™ RW 500 for spot repairs Reinforcement using Kevlar Spot repairs using Ind-Cote on struts Environment Wet blast furnace gas, read more ►



Relining of Open Top Quench Tank

By on March 27th, 2020 in Steel Manufacturing

Industry Steel Manufacturing Date May 2019 Substrate 30 Year Old Heavily Pitted Steel Products                    Chem-tect™ RB 300 Series, a glass flake filled vinyl-ester Environment              Mildly acidic water ranging between 50-70°C Challenge                   It was too late for some areas requiring replacement and repair of wall plate and internal pedestals supporting the rolls requiring replacement. Removal of read more ►



Hot Car Bogie

By on January 16th, 2019 in Steel Manufacturing

Industry                      Steel Manufacturing Date June 2018 Substrate Hot Car Bogie – Carbon steel substrate Products Epo-Chem™ RW 500  & RP 500 Environment Hot Car Bogie for a 1,000°C Coking Coal transport wagon, quenched using 80°C water Challenge Abrasive blasting is not always possible on site due to work alongside other trades and tight time frames, mechanical read more ►



Blast Furnace Dust Discharge Valve Refurbishment

By on October 9th, 2018 in Steel Manufacturing

Industry                      Manufacturing Date June 2018 Substrate Steel Products Chem-tect™ RB 364 Environment Blast furnace gas, combined with particulate at elevated temperatures 70degC Challenge Rebuild the internal profiles corroded and eroded away up to 10-15mm Chemco’s Solution RB 364 was specified for its suitability to provide corrosion and erosion protection Scope Abrasive blast internals and externals, read more ►



Extension Leveller Cassette Corrosion Prevention

By on July 29th, 2018 in Steel Manufacturing

Industry                    Manufacturing Date January 2018 Substrate Steel Products Epo-Chem™ RL 500PF and RC 500GTC Environment Recycled cooling water Challenge Asset owners of the Extension Leveller Cassette engaged us to inspect and nominate a complete coating solution where standard paint systems failed to prevent surface deterioration resulting read more ►



Corrosion Protection of Basket Strainer

By on April 8th, 2018 in Steel Manufacturing

Industry                            Steel Manufacturing Date February 2018 Substrate Basket Strainer – Steel Products Epo-Chem™ RS500P a wet and surface tolerant epoxy primer containing 100% solids and RA500M a wet tolerant, glass flake filled epoxy containing 100% solids. Both products are capable of being applied in high humidity including under water. Environment Salt water strainer Challenge Repeat read more ►



RE 500P & RW 500 Applied on Hot Car Structure

By on December 10th, 2016 in Steel Manufacturing
Hot car structure during fabrication

Industry                    Steel Manufacturing   Date September 2016   Substrate Mild steel substrate   Products Epo-chem™ RE 500P & RW 500   Environment 1,000°C Coking Coal transport wagon where 80°C recirculated water is used to quench the load.   Challenge After successful spot repairs on existing hot read more ►



RL 500PF for Castor Segments

By on November 10th, 2016 in Steel Manufacturing
RL 500PF application completed

Industry                       Steel Manufacturing   Date September 2012 – 2016   Substrate Aged Carbon Steel   Product  Epo-chem™ RL 500PF – a surface/moisture tolerant zinc rich epoxy coating resistant to 150°C which can also be applied on hot surfaces.   Environment  Quenching station – Steam with radiating heat at 130°C   Challenge These segments are subjected read more ►



Bischoff Scrubber

By on November 11th, 2015 in Steel Manufacturing

Industry:                        Steel Manufacturing   Date: July 2009   Substrate: Carbon steel (20mm thick)   Product: Chem-tect™ RB 332, a glass flake filled vinyl ester.   Environment: Recirculated salt water 60°C with fine particles   Challenge: Carry out inspection to internal lining as the work carried read more ►



Repair Abrasion Erosion effected Pipe Internals

By on September 10th, 2015 in Steel Manufacturing
Pipe re-installed after 2 days now ready for service

Industry:                      Steel Manufacturing   Date: November 2014   Substrate: Internals of small diameter pipe.   Products: Chemco International – InD-cote™ Top coat using RP 500 AR             Environment: Abrasive Coke Breeze temperatures up to 60ºC.   Challenge: Existing pipe lasts 4 weeks in service before a hole appears and valves read more ►



Hot Car Structure

By on July 23rd, 2015 in Steel Manufacturing

Industry:                       Steel Manufacturing   Date: January 2015   Substrate: Mild steel substrate   Products: Epo-chem™ RE 500P & RW 500   Environment: 1,000°C Coking Coal transport wagon and moved to the quenching station, where 80°C recirculated water is used.   Challenge: Major structural steel repairs are carried out every two years due to the aggressive read more ►



Fume Suppression Pipe

By on July 22nd, 2015 in Steel Manufacturing

Industry:                      Steel Manufacturing   Date: October 2014   Substrate: Externals of Conical Sections of 6mm wall pipe sections   Products: Chem-tect™ RB 332AR, Epo-chem™ RC 500GTC       Environment: Abrasive Coke Breeze ranging in temperatures from 60-100°C   Challenge: Inspections found wall thickness to be worn internally after 25 years in service. This was prevalent read more ►



Preheater Internals

By on July 22nd, 2015 in Steel Manufacturing
Chemco quality assurance completed ready for service

Industry:                       Steel Manufacturing   Date: October 2014   Substrate: Mild steel substrate   Products: Chem-tect™ RB 332   Environment: Coke Ovens Gas and residue   Challenge: Leading steel manufacturer has a preheater in service for a number of years with previously applied coating failing due read more ►



Gas Scrubbing Pipe

By on July 22nd, 2015 in Steel Manufacturing

Industry:                      Manufacturing – Steel Date: May 2014 Substrate: Mild Steel Fabrication Products: Chem-tect™ RB 300 Series Epo-chem™ RL 500PF Environment:              40-60°C Saturated Blast Furnace Gas – carbonic acid, which in turn reacts with iron to form iron carbonate and hydrogen gas. Challenge: The internals of the pipe which were previously lined using a ceramic filled read more ►



Steel Clarifier

By on February 23rd, 2015 in Steel Manufacturing
steel clarifier

Industry: Steel Manufacturing,   Date: February 2009,   Substrate: Failed coating causing steel structure to corrode,   Products: Epo-chem™ RA 500 series,   Environment: Immersed, ambient, treated process water,   Challenge: The existing coating failed due to a process change. The time constraints required Chemco to work around the clock to minimise production downtime. The read more ►



Demister Internals

By on February 23rd, 2015 in Steel Manufacturing

Industry: Steel Manufacturing,   Date: Nov 2010,   Substrate: Mild steel structure,   Products: Chem-tect™ RB 332,   Environment: Blast Furnace Gas and recirculated process water,   Challenge: Leading steel manufacturer has a demister in service since ’96 without internal coating protection. Deposits of sulphur, zinc and oxygen caused corrosion pitting 10mm deep in the read more ►