Economiser elements for 500MW Power Boiler
For Loy Yang Power Station
Loy Yang Power
- BS 3059 Grade 440 seamless carbon steel tubes.
Welding Processes / Procedures
- STT II – Surface Tension Transfer (STT) Process with certified & tested weld procedures.
- TIG welding process.
Fabrication Standards / National Codes
- AS1228 – Power Boilers
- AS4458 – Pressure Equipment Manufacture
- AS4041 – Pressure Piping
- AS4037 – Pressure Equipment – examination & testing
Quality Assurance Requirements
- Material certification for all materials
- Inspection and Test Plan (ITP)
- 100% radiography on butt weld joints