[MW:13576] Ultrasonic Testing & Intergranular Corrosion Testing; G28 Method A for CRO Welding on Carbon Steel with Inconel 625

Dear Experts

I am qualified a PQR for CRO Welding using Inconel 625 on Carbon Steel plate. As per ASME IX, mandatory test is:

1. Dye Penetration Test
   
2. Transverse Side Bend Test
   
3. Chemical Analysis
4. Hardness (location may refer to ISO 15056 Fig 6 for NACE req.)
5. Macro Etch photo

What I am confusing is that Intergranular Corrosion (G28 Method A) and Ultrasonic Test is applicable to conduct or not? 

Thanks

BR; Abdul Ghafor Mohamad

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