The spools have 1" to 36" Piping joints.
The WPS with PWHT is available only for large diameter / high thickness.
can we do PWHT in the furnace if small size piping joints welded without PWHT WPS which is welding with higher size spools require PWHT?.
On Mon, 27 Jan 2025 at 11:50, Vishwas Keskar <vvkeskar123@gmail.com> wrote:
Pl elaborate your query--Query is not clearSent from my iPhoneOn 27 Jan 2025, at 11:57 AM, Prakash Kumar Bontra <prakashbontra@gmail.com> wrote:For furnace PWHT as per ASME B 31.3 all the joints in the spool (1" to 36") need PWHT approved WPS and where to refer?--Prakash Bontra
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