Inquiry (采购产品): Refractory steel I am looking for the composition of steel coresponding to : H 25-35 R Nb and H 25-20, used in steel billet reheat furnaces. Would appreciate some advice... Regards... **** Hidden Message ***** Michel Hone ON K0B 1K0 CAN Company: Ivaco Rolling Mills Title: Mgr Advanced Technology E-mail: mhone@ivacorm.com **** Hidden Message ***** mhone@ivacorm.com