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Piping A672 Gr C65 Cl22 Overlay Cladding

Piping A672 Gr C65 Cl22 Overlay Cladding

Piping A672 Gr C65 Cl22 Overlay Cladding

(OP)
Colleagues,

By following:

B31.3, 323.4.3, d) to

ASME VIII Div 1, UCL 34, a) to

ASME VIII Div 1, Table UCS-56, Note c) 5)

May I conclude that, if an A672 GrC65 Cl22 pipe up to 32 mm wall thickness is clad by overlay welding, then it does not require another PWHT?
 

Steve Jones
Materials & Corrosion Engineer
http://www.pdo.co.om/pdo/

RE: Piping A672 Gr C65 Cl22 Overlay Cladding

Yes.

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