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Precision Seamless Carbon Steel Tubes Manufactures
(Well Known Tube/Pipe Maker under the Indian Boiler Regulation 1950)
Inspection And Testing
Ensure dimensional accuracy Of OD,ID,Thickness,Length,Ovality etc.
To ensure that finished tubes are free from scale,pit marks rupture I.D. & O.D score,roll markes,dent etc.
To test chemical constituents & quelity parameters of raw material & finished product.
To test hardness of the tubes. It is carried out by Rockwell/Twin hardness testers.(HRC,BHN Scale).
To check the tensile strength of the tubes.It is carried out by Electronic Digital ,Universal Testing Machine with Graphical Presentation.
To check the ductility of material.End of tubes should be flared successfully without developing cracks.
This test is conducted to check the strength by subjecting to extreme compression stress.
The photo besides shows a test piece subject to Flange Test as per standard.
Pipes are bent as per specification at 90 C.without developing cracks.
To check that there should not be any leakage, 100% Hydrosatic testing is carried by precision machine on all tubes.
To detect subsurface inhomogeneities from inside & outside of tubes.
For detection od subsurface flaws & imperfection.
This test is carried out on request.
It is carried out by immersing the tubes in water under compressed air to determine minior leakages.