MIL S 43A (修正2) 投射物用钢条 (1952年8月30日) [无文件]

ID:53310

大小:0.04 MB

页数:1页

时间:2023-03-23

金币:20

上传者:战必胜
_+.. ,,+
MIH-43A
AMENDMENT2
80 Aumwt1052
SUPERSEDING
AMENDMENT1
1sJUI!MV1952
MILITARY SPECIFICATION
STEEL BARS FOR PROJECTILE STOCK
This ammdm#~ fc.rmra P@ ofhf{i41aruEpdI$oa140n
MIL-S-48A,S1July
Mall, and ha been approwd bu
tk Dvartmmt#oj th
Annu, Natv,md theAirFew.
Page 2, Table III: Daleta and substitute:
TABLm 111.—Mechanioalpmpertk
I
Tem.lle
I
Yield
yx ~t::~;
Diametar(Inohes)
strength
nwlmum
InR%lr y
minimum
P. 8.i. P. 9.i.
Perwnt
I.%bndatier..................... ll&Of10 76,OQo
16
Overl.%tol....................... 118,000
70,COO 16
Page 4, paragraph 4.4.3: Delete and substitute:
“4.4.S Tenuion
testmethod.r.-Temion teats shall be conductedi!! awordance~th sp~fioati~. ~
QQ-M-
161. Yieldpointshallbedeterminedby thedividermethod.” ““‘“‘-– ‘--’--—-- .... . .
Page4, paragraph4.&4.l-Delete andsubstitute:
--- -.-. . ,-
“4.6.4.1 BiUeti.+peoimens for macroscopicexaminationshall oonsiatof transversedices
not less thanone-fourthinch thickrepresentingthe full croe.+seotionof the bflet. At least one
cross.+eotionalsurfaceof tbe specimenshallbe machined,sawed,or groundto a suitabler.mootbflat
surfaceandetchedto developthe structurecompletely. Billetsshallbe consideredumermdwhen
theirrepresentative
specimensshowtinydefect in excess of standards furnished or appreved by th6
purchasing agency.
Custodiarm
Army-Ordnance Corps.
Navy-Buraau of Orhmce.
A62507
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