Inquiry (采购产品): material used for condensor tube SIR , PLEASE TELL US ABOUT THE TUBE MATERIAL Ag-45 uni 663which is used in the water condenser and cold exchanger used in ammonia synthesis & compression section **** Hidden Message ***** mohamed ismail 600049 Company: STEEL MERCHANT E-mail: steelmerchant@vsnl.net **** Hidden Message ***** steelmerchant@vsnl.net