maximum pwht temp

[Souravbohray]

ucs 56 adress minimum holding temprature eg- for Pno 1 its 595 C. can i hold it at temp 915℃ because after 915 there will be change from alpha phase to gamma and bcc structure to fcc.
and one more point from 770c there will be also change from magnetic to non magnetic property.

i take refference from iron carbon diagram.

[rajesh kaswala]

595 for pwht , 915 normalizing 

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[Er Sourav Bohray]

wrong i did pwht at 623 for my vessel already

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[munee...@gmail.com]

refer 27-7, you can take that clause lieu for ucs-56 on the whole 27-7s condition, only if you have that specific requirements.

Thanks

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