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UCS-85

UCS-85

(OP)
if plate is normalized SA-516-70,dish head 2.1 is cold formed and then head is normalized due to extreme fiber elongation. do we need test secimens be tested to satisfy UCS-85?

Nasir
Welding Engineer
DESCON ENGINEERING LIMITED
PAKISTAN

RE: UCS-85

What was the normalization temperature to remove the cold forming strains above and how does it compare with the original normalization treatment? See UCS-85 (i).

UCS-85(i) All thermal treatments which precede a thermal
treatment that fully austenitizes the material need not
be accounted for by the specimen heat treatments, provided
the austenitizing temperature is at least as high as any of
the preceding thermal treatments.

RE: UCS-85

(OP)
If the parent material is normalized at 910C and normalization after forming takes place at 950C, material is P-No.1 Group No. 2, that means UCS-85(i) requires test specimens in this case and in acse of vice versa, no test specimens are required, am I correct in reading UCS-85(i)?

Nasir
Welding Engineer
DESCON ENGINEERING LIMITED
PAKISTAN

RE: UCS-85

(OP)
Dear Metengr,

Your confirmation is awaited please.

Nasir
Welding Engineer
DESCON ENGINEERING LIMITED
PAKISTAN

RE: UCS-85

Metengr has provided your answer

RE: UCS-85

It would seem to me that any heat treatment done after forming which was performed at a hihger termperature than any previous heat treatment pre forming, would in fact negate said previous heat treatment.

So the only test specdimens required would be of material Normalized prior to forming. UCS85(i) exempts the re-testing of specimens("need not account for"), any heat treat done at or above the initial heat treatments and performed above 900F.

That is how I interpret the question.

RE: UCS-85

Do you mean the answer...

RE: UCS-85

..agreed..the answer.. but also how it is written in UCS85...ahh you know whatI mean(t).

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