I am very new to the materials, and I have 100s of doubts like below

My query is based on the below definition.
Cladded: CRA layer by EB, Hot rolling, or any other metallurgical bonds
Lined: Mechanically bonded with seal welding on the ends

1.Is there any difference in performance between cladding and lining?
2. My concerned product is HS carbon steel piping (Eg: API 5L PSL2 X60) with 304L clad. Is it required to do any heat treatment after hot rolled bonding (like normalizing or Q&T), or after explosion bonded cladding?
3. If normalized CS is specified as backing up material, how to consider the sensitization of 304L at normalizing temperature of CS?
4. What are the possible problems that may occur during the welding of 304L cladded/line pipe to a 304L cladded fitting, other than the roundness issues? (considering one-side welding)
5. What are the quality control usually applied for a cladded pipe weld joint?

I am looking for answers for all these.

Your help is appreciated

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Materials & Welding