The material:HPNb,ZGCr25Ni35Nb, or according to requirement
Process:centrifugal cast
Outer Diameter: OD89*5*4100mm

Centrifugal Cast Heat Exchange Tube( Hydrostatic Presure Test) :

1.  The material:HPNb-M,ZGCr25Ni35Nb, HK40,ZG3Cr24Ni7SiN,or according to requirement
2.  Process:centrifugal cast
3.  This tube Specification: OD89*5*4100mm

4.  According to requirement, The machined inner hole is 100% inspected by imported eddy current testing system. The defect depth is less than 0.125mm,the tube section is qualified.
5.  Hydrostatic Presure Test: Pressure is  24-28Mpa,Steady pressure 15 minutes.