Annular Plat Material & 1st Shell Course MaterialFrom: Naveed Afzal 
Date: Monday, January 24, 2011
Time: 9:44:07 AM
Remote Name: 22.214.171.124
can we use different materail for 1st shell course and annular bottom plat??
if we are going to use A-537 Cl2 Mod. materail for 1st shell course can we use A-537 Cl2 simple materail for annular bottom plat??