S+C G1.4852 Catalyst Tubes 1.Standard:ASTM,ASME,DIN,GB 2.Material: ... ZG45Cr25Ni35Nb+Microalloy,HP-Nb+MA,G1.4852 3.ISO9001:2008 S+C ... 5<=0.03<=0.03Ti+Zr(microelement ) 1.Standard:ASME,ANSI,ASTM,DIN,GB2.Material: ZG45Cr25Ni35Nb+Microalloy, ... ,Width=1100mm,Heigth=1100mm or we can supply standard and nonstandard products as your requirement4.Process:centrifugal ...