ML20099B130
| ML20099B130 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 06/19/1973 |
| From: | Engelken R US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Mallay J BABCOCK & WILCOX CO. |
| Shared Package | |
| ML20099A192 | List: |
| References | |
| FOIA-96-207 NUDOCS 8004150646 | |
| Download: ML20099B130 (2) | |
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i UNtTCO STATES ATOMIC ENERGY COMMISSION 8
5 s.
WASHINGTON. O.C. 20545
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JM 191973 1
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Babcock & Wilcox Company ATTN:
J. F. Mallsy Manager, Licensing i
. F. O. Box 1260 Lynchburg, Virginia 24505 Gentlemen:
This will acknowledge receipt of your report number BAW-1403 transmitted with your letter dated April 30, 1973, and Revi-sion 1 thereto dated June 1973 transmitted with your letter We have reviewed this report and note dated June 5, 1973.
that the various lots of 70XX and 80XX weld metal with undocu-mented mechanical properties, have satisfactory chemistry Experience has demonstrated that the tensile j
documentation.
and impact values of 80XX and 70XX materials rarely fail to We have therefore con-meet the ASTM minimum recuirements.
cluded that there is reasonable assurance that the mechanical i
I properties of these 70XX and 80XX materials.will be within acceptable tolerance. We also recoptize that to re:nove and
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replace this esterial se this point in ti:-n may prove to be 4
more deleterious than the acceptance of the "as is" conditions.
On this basis.:s have concluded that those major components l
involved. are acceptable for their intended service.
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As you are aware, the lack of documented mechanical properties I'
for these lots of weld metals, is in nonconformance with the ASME Boiler and Pressure Vessel Code to which these components were designed and fabricated. We understand that you intend to pursue this matter further with the cognizant code authorities.
The implementation and effectiveness of your corrective action to prevent recurrence will be reviewed and evaluated.
during our continuing inspection program.
- he wald ra,:ord; Your 1stcar of. une 5,1973, states tha:
were coepic:o for the rs.:ctor va44als c.anaiaccurud for ot.wr Mr. Steinke of vour staf f tafer-*d '"i % tala-NSS vendors.
curing tne time period covered, phone on auno.a.
u h, cast, resetor vmels mre -Me 91 react,r cec 1,: r :
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ponents manufactured for other NSS vendors.
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' ' d 2-l habcock & 'ticox Cocoany i
Ynur cacporatim cor.carsin:, t'.is c.itt'r is aspreciated.
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7:.:rs trJ!?,
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i E. H. Engelken Assistet Director for l
Constrnetton 4 Caerstion l
Directorate of Regulatory Operations I
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