U.6. NUCLEAR REGULATORY COMMISSION
REGULATORY ”I
OFFICE OF NUCLEAR REGULATORY RESEARCH
REGULATDRY OUIDE 1W
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RADIATION EMBRITTLEMEKT OF REACTOR VE66EL MATERIALS
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Appendix O, “Ft Tough fan R quire m,” and Appcixlix
Shock nde t§ 50.d1, "Pzaozzre Toagbness Re9a •axms fbr Pzo- tectiro Agañat Pressurized Ttuzzad Shack Bvcaa," of 10 CFR
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TABLB 1
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0.20
0.40
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1
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0.07
0t1t 0.12
0. t3
0.15
0. !é
a.t +
.
0 . 20
0 ii
0:23
0.34
0t26
0.3 S
0. ’30
0.31
0.32
0.M
0.35
0. SP
2t
49
SB
10t
I \ 3
t]8
t3t
149
1S3
tS8
t7t
76
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tt2 ti7 t21
t38
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1st
140
l@
t¥7
191
93
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t91
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2t2
tt6
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t7Z
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t75
us
2S7
3t7
O a : . 1 1 s 2
0. IS
0.16
O.Z D
0.3 S
0.30
0.33
0.34
49
si
6t
i i 0 e 4
tt6
tM
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t46 UI
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t64
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t87
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298
2. Ho1‹lcri of line xnd pcrmin w ta» «›ui›x Tccbdcal sp‹x rna s In onler e a0tious e my w
rajutrcoxots af Section V of Appczxllx O. TO CFR Psrz 50.
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60
40
% COPPER
30
METAL 0.35
0.30
0.25
0.20
0.16
BASE
WELDS 0.30
0. ZS
0.20
0.15-
0.10 —
z x io 1 7
10”
8
FLUENCE, n / cm 2 ( E
1o 1 9
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REGULATORY ANALYSIS
A cept of the irguletury andyJ prepared f‹:r the Rcgulatmy a foe a the Gommiuion'z Publit Dtcuui«n hmm n 1717 H Street
