ML20154K961
| ML20154K961 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 02/05/1988 |
| From: | Woolridge E NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES) |
| To: | NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES) |
| Shared Package | |
| ML20154K954 | List: |
| References | |
| NUDOCS 8809260060 | |
| Download: ML20154K961 (2) | |
Text
gg=
NOLAN'S EXHI BIT N' I
.f NOL A N / LO G A N ( N R C )
O '.
SHEET 2
_O F E s
unstro STATES
/,,..,,,
NUCLE AR REGULATORY COMMISSION
[
[%
j wasutNoioN,0. c. rosss g
l s.,e..../
f EB 0 $ 1998 C. Z. Serpan, Jr., Chief MEMOPANDUM FOR:
MEB/0E/RES E. O. Woolridge FROM:
MEB/DE/RES PEETING ON E-Bo.!TE ALLEGHENY t.UDLUM ST
SUBJECT:
l (AL) on the j
On February 4. I attended a presentation made by Allegheny Lu I
I ferritic stainless steel.E-Brite.
since 1978.
heat ex-The only known nuclear application of this alloy is in tubing for a This tubing has a.066d change in Arkansas Unit 2.
d to have by At..
E-Brite is melted in a vacuum induction furnace and rigidly l
corrosion-very low interstitials, thus enhancing resistance in intergranu ar superior ductility.
it The alley has a low CTE, work harden less than austeniti it is known as one of the super to SCC, pitting and crevice corrosion.The prire application for ferritics 55.
environment.
~
l d by type The ductile brittle transition temperature DBTT is strongly inf lbs-fracture of notch, material thickness, criteria for stating DBTT (ft-appearance-strain rate, etc.)
but doesn't The stabilizing (Nb) greatly improves ducti,11ty in thin sectio help much in thick sections.
t ination During fabrication (welding) contamination is a real probl N, or C pick up bad on impact.
with C. N,, grease, HC is a no-no.
for sue:essful Tubing weld from strip must be argon shielded inside and.o d informa-walding.
Included with this remo is a handout detailing the presenta
~
tion on E-Brite.
60V E. O. Woolridge 8809260060 880921 m
FDC ATT ACHMENT 2 SJ PDR ADock osooo3ss P
~ ~ _
L}0
~
'Docwent Nere:
GT 3933 hh estor's 10:
C/1"[
Author's Nane:
C. Harbuck
' ' I 'i Occurent Corrents:
O'-
GREEN TIC):ET h0 003933 ON ARKANSAS UNIT 2 M
CONCURh P. NO CONCUR h aY k!0
/
C. Hj!18t f'
- tALV0rtom AF 7/fl I
QU
~MReC H. C tiNcQW'f 3
T,V ".-C'.
CDiiCUR-sfftpy
)
- t., gjr r'$T e t t'.
en9r,ija Q {b
<a.J.0t#RN rf 0NCUP ag-
[
qp %=n%_evaR p.P#e
/p b
i ' \\ <
T. l'UPLEY:
CONCUR AND SIGN
\\
\\
h\\
,p
\\
g 8 \\...
\\
t ~'
h,
.,e
.s
\\
-- --