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1.MATERIALS :
- Material specification.
- Materials grouping
- Mechanical properties and chemical composition of materials.
- Cross comparison of material between ASTM and other standards
2.FILLER METALS :
- Specification of filler materials.
- Mechanical properties and chemical composition of fillermaterials.
- F-No. and A-No. of welding materials.
- Selection of filler materials
3. PREHEAT AND POSTHEAT :
- Specification for preheating and interpass temperature
- Specification for post weld heat treatment
- Procedure for preheating and post weld heat treatment
- Joint design according to API Standard 650
5. WELDING PROCEDURE SPECIFICATION (WPS) :
- Welding Procedure Specification (WPS)
- Guideline of preparing WPS according to API Standard 650 & ASME Section IX
* Joint design
* Base materials
- ASTM materials - Other standards materials
* Filler materials
- Filler materials specifications - A-No. - F-No.
* Heat treatment
- Requirement of preheating - Preheating temperature
- Interpass temperature
- Requirement of post weld heat treatment
- Post weld heat treatment conditions (holding temperature and time)
* Shielding gases
- Shielding gas - Backing gas - Trailing gas
* Welding parameters
- Current - Voltage - Polarity - Heat Input
* Welding technique
- String or weave bead - Interpass cleaning
- Back gouging - Others
6. PROCEDURE QUALIFICATION RECORD (PQR) :
- Requirement of code - Testing methods
- Acceptance criteria of testing - Range of qualification
7. WELDING PERFORMANCE QUALIFICATION :
- Requirement of code - Testing methods
- Acceptance criteria of testing - Range of qualification
8. Inspection Procedure
- Design Inspection Procedure
- Acceptance Standard for VT and NDT
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