Our Quality  >> Production Prcess and Q.C.   

Production Process – From Rolling to Coating Steel pipes are made from either steel plates or coils :
Steel Plate / Steel Coil – Pipe Forming –Inside Welding (by an automatic submerged arc welding process) Outside Welding (by an automatic submerged arc welding process) – Pipe End Preparation – Ultrasonic/X-Ray Testing – Hydro static Testing – Surface Preparation – Inside Coating – Outside Coating – Final Inspection of End-Product
INSPECTION ITEM INSPECTION & TEASTING
1.   RAW MATERIAL
      STEEL PLATE AND COIL
 - ULTRASONIC THINCKNESS GAUGE
- VERNIER CALIPER STEEL TAPE
2.   FORMONG &
     - HYROSTATIC PRESURE TEST
     - RADIOGRAPHIC INSPECTION      (X-ray)		 - VERNIER CALIPER STEEL TAPE
- MULTI-WELDING GAUGE
- HYDROSTATIC TEST MACHINE
- SMART 200 X-RAY UNIT (60-220Kva Thk 1-49 mm)
3.   SURFACE PREPARATION &       COATING - ADHESIN TESTER
- VERNIER CALIPER
- SA2.5 FILM STANDARD
- ELECTROMAGNETIC THICKNESS GAUGE
- WET FILM THICKNESS GAUGE
- HOLIDAY DETECTOR (ELCOMETER)
4.   PRODUCT FINAL INSPECTION - VERNIER CALIPER STEEL TAPE
- ELECTROMAGNETIC THICKNESS GAUGE
- HOLIDAY DETECTOR
                                     

 

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