V=z=EEZ
for publxo release and sale; zts
NIL-F-18251C
A!4ENDM2N’T- 2
12 June 1970
SUPIWEDIN&
Au.endment- 1
26 Jmmary 1968
Thi. auendment forms
mLITARY
SPECIFICATION
FLuxEs,mLDING,.5m142R~DARcPR12J2Es5
CARE.ON.mDLOW-ALWySTEELmPLICAT1ON
a part of military Specification MIL-P-18251C, 24 October 1967,
and is mandatory for use by all Departments and Agencies of the Depart=nt of Cefe.se.
Page 1
#
1.2: under “TYPe” add ‘t411cF4”.
Page 2
*
Add as 3.4.1.4:
“3.4.1.4 ~ MIL-F4. The flux shall contain a mi”irmnnof 19 percent fluorspar by
weight and a maximum of 9 percent silicon (combined as oxide or silicates) by weight.-
I
#
o
~1
1’
“o
Page 3
Table 1, add the following new flux type:
Table 1 - Mechanical properties
wPe of
Elongation charpy-V notch
ultimate Yield strength
(as-welded,
impact test
yeof electrode
tensile
(0.2 percent offset)
stress-
(MIL-E-
stress-relieved
strength as-welded and relieved)
18193)
as-welded stress-relieved
percent in
EnerqY Test
2 inches (ft./1bsl
tempera-
ture ~F..
P.S.1. P.S.1.
Minimum
Minimum
Minus
minimum
minimmm
,MIL-F4
MIL-B1
60,000 45,000
25 60
20 .
#
4.1: Elete and substitute:
“4.1 Responsibility for i“. ectic.n.
%-~
unless othemise specified in the contract or
purchase or?,er,
the SUPP
AerM respon.m 1. for the perfc.rmanceof all inspection require-
ments as specified herein.
Except as otherwise spe.ified in the contract or order, the
supplier may use his own or any other facilities suitable for the perf.~an.e Of we inspec-
tion requirements specified herein, unless disapproved by the Government. The ~verrurmnt
reserves the right.tn perform any of tie inspections set forth i“ the spe.ificatx.n where
such i.sp+ctio.s are deeu.sd“e.essary to assure supplies and services conform to prescribed
requirenmnts.”
y
CHANGESFROM PREVIOUS1SS122.
THE OUTSIDE MARGINS OF THIS DOCWNT HAVN BEEN MARKED “f“
~IiXTE WHERE Cli?.ii(DEIJIT1ONS, IQolTIoNS, ETC.1 FROM TnE p=~Ous lss~ ~v= B=
MADE. l’HISW BEEN DONE AZ A C0NV2N1ENCZ ONLY AND THE G0VS9NM2NT A2SUMES NO LIABILITY
WHATSOEVER FOR ANY INACCURACIES IN THESE NOTATIONS. BIDDERS AND cONTMCTO= Am ~~lO~D
TO EVALUATE THE REQUIREMENTS OF THIS DOCUW3NT BA3ED ON TKE ENTIRE CONTENT AS-.WRITTEfJlSSE-
SPECVIVZ OF THE MARGINAL NOTATIONS AND RELATIONSH1P TO THE LA2T PREVIOUS ISSUE.
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