Sept 9 (Reuters) - Russel Metals Inc RUS.TO :
* RUSSEL METALS ANNOUNCES CHIEF FINANCIAL OFFICER SUCCESSION
* SAYS CFO MARION E. BRITTON TO RETIRE
* BRITTON WILL REMAIN WITH COMPANY DURING 2020 TO ENSURE TRANSITION
* BEGUN SEARCH FOR BRITTON'S REPLACEMENT
* BRITTON WILL RETIRE AS CFO IN 2020