Online testing of tubes / pipes by Ultrasonic Testing & Eddy Current Method to check dimension, length and other defects.
| Ultrasonic | |
|---|---|
| Type Rotating Probe Method | 20 Channels |
| Longitudal Defect | 8 probes |
| Transverse Defect | 8 probes |
| Wall Thickness | 2 probes |
| OD & ID | 2 probes |
| Speed of Testing | Upto 20 Meters per Minute |
| Notch Depth | 5% of wall thickness |
| Eddy Current : Encircling coil type with variable frequency | |
This test is used to detect hidden flaws, inhomogeneties, cracks etc. using the test procedure described in ASTM E-426. Tecnofour Flaw Mark detector with digital data recorder is used for testing entire length of the tubes.
All tubes and pipes produced at HMTIPL are compulsorily subjected to 100% hydro testing. Hydrostatic Testing can be carried out at pressures upto 450kg /cm sq. Customers or their deputed inspection agencies can witness 100% hydro testing at our plant. For thin wall tubes Pneumatic Testing (Air under water) is done at 300 psi max. Air pressure.
If asked by the customer, pipes are subjected to Ultrasonic testing. An acoustic transmitter probe generates a sound beam which is applied to test piece using oil as Couplant. The Ultrasonic Test Equipment is calibrated using a reference test piece with artificial test which is from the same pipe lot that is to be tested. The tested tubes are considered flawless if they do not cause any indications longer than that produce by the reference test piece. The Ultrasonic Test is conducted as described in ASTM E 213/A-450.
All products at HMTIPL are subjected to 100% visual inspection.
Our in-house Inspection and Testing facilities and adherence to the stringent quality standard using sophisticated inspection & testing devices which include Hydrostatic Testing, NDT-Ultrasonic, Eddy Current and Magnetic Particle Inspection (MPI), For OCTG Products Duly calibrated from NABL Agencies-Ring gauges, Plug gauges & Dial gauges for Thread Inspections and other Laboratory Inspections / Testing Facilities like Spectrometer, Metallurgical Microscope, UTM , CVN Impact Testing up to Sub Zero Temp. -100 C, TPP, Rockwell & BHN Hardness Testers, PMI and Muffle Furnace helped HMTL to benchmark itself, amongst one of the best well known manufacture and supplier of seamless pipes & tubes world over.
