At Anand Seamless Ltd, quality has been given the highest importance. Our quality has been appreciated and approved by various national and international agencies.
100% material supplied from our plant carry a valid Mill Test Certificate as per E 10204 3.1 / 3.2 certification as required by the client. The products manufactured at our plants are reqgularly inspected and approved by renowned Third Party Inspection agencies like TUV, DNV, LLOYDS, BVIS ETC.
All the raw material used by ASTPL are procured from approved standard quality suppliers. The quality assurance team ensures adherence to the QAP of manufacturing. Post receipt, all raw materials and consumables are inspected and tested.
At the production / manufacturing stage, Quality Control team conducts in-process inspection to ensure the standard / customer specific parameters adherence.
The Quality control test and checks are conducted regularly at each stage in order to maintain the uniform product quality.
Our in-house inspection uses the under mentioned test to ensure stringent quality standards.
| NON DESTRUCTIVE TEST | DESTRUCTIVE TEST |
| Eddy Current Test | Flaring Test |
| Hydrostatic Test | Hardness Test |
| Ultrasonic Testing | Reverse Test |
| Spectro Test | Flattening Test |
| Visual Inspection | Corrosion Test |
| DP / MP/ RF ECT Testing | Impact/ Tensile Test |
| Boroscopic Test | “U” Bend mock up test |
NON-DESTRUCTIVE Testing Machines:
| 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 | 30-40 Meters per Minute |
| Notch Depth | 5% of Wall Thickness |
Eddy Current: Encircling coil type with variable frequency
A typical cycle followed by Aand Seamless Tubes for fin tube manufacturing include the following steps:
| Stage | Activity |
|---|---|
| RAW MATERIAL – BASE TUBE / PIPE | 100% inspection for MTC Traceability , confirmation with ordered grade, dimensional (sample) inspection |
| RAW MATERIAL –FIN MATERIAL | 100% inspection for MTC Traceability , confirmation with ordered grade, dimensional (sample) inspection |
| IN PROCESS INSPECTION | Random samples are checked to ensure that the technical requirements such as FPI , finned od , plain ends are meeting the client requirement |
| FINAL INSPECTION | 100 % tubes are checked for dimensional acceptance, visual appearance & traceability. |
| MILL TEST CERTIFICATE | Issued along with all the supplied material as per en 10204 3.1 / 3.2 norms. |
Other special tests as required by the clients can be carried out on prior confirmation.
A QAP shall be submitted for client approval for TPI inspection.
