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2024年4月6日发(作者:)
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sURFACE
VEHICLE
sTANDARD
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Issuθd 197oˉ
ReVised 2oo3ˉ
Superseding J189JAN1998
o8
o6
REˇ
JuN2oo3
Power
Steering
Return
Hose--l-ow Prmsure
Foreword-This document
represents
the minimum quality
recognized
by original
equipment
manufacturers
and
hose suppliers as
essential for
satisfactory and safe
operation by the
hose itself
and other
coacting
parts
of the
power
steering
system. The
original
equipment
manufacfurer may,
at his option,
add or alter
tests through
OEM
specifications.
1. Scope-This
SAE Standard
covers hose
fabricated from fabric
braid and synthetic
rubber,
assembled
with
end fittings or
user applied
clamps for use
in automotive power
steering
applications
as flexible
connections
within
the ternperature
range of
-40
oC
to +12O'C (-40
'F
to 25O
and
135
.C
(275
'F)
maximum
"F)
arerage
peaks.
Hose assemblies
shall be
suitable
for 1
.72 MPa
(250 psi)
maimum
working
pressure
with end
fittings
and 0.69 MPa
(100 psi)
maximum
pressure
working
with user applied
clamps.,"'
(:
Referenees
Applicable
Publications-The
herein.
following
publications
form a
part
of this specification
to the
extent specified
'l
2.
2.1
1.1 ASTM
PueLlcffioNs*Available
from ASTM, 10o
Barr Harbor Drive,
West ConshohocfenlEn
t942g-2959.
ASTM
D 380-Methods
of Testing Rubber
Hose
ASTM
D 413-Tests
for (Friction
Adhesion of Vulcanized
Rubber
Test)
J.
Hose
Construefion'-The
construction
of this
hose embodies
a smooth bore
inner
tube
of suitable
synthetic
rubber material,
ply
reinforced
with one
of braided
fabric and
covered with
a
qynthetic
rubber
outer cover.
Dimensions-Suggested
hose
dimensions
are
given
in Table 18, but
it is not
the intent
of this
document
to
exclude
hose with
different
dimensions
that
comply with
all other requirements
of this
document.
In addition,
concentricity
based on
full
indicator
reading between
the inside
bore
the
outer surface and
of the
hose
shall not
exceed 0.076
cm
(0.030
in).
4.
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由s咖dy
p°
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F号帚:营
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∶
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、
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翮
号
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∫l〗吊
l;鼻黯
t吊:紧l翱
:I品
;揽
J莨J户
sAE reMeWs each technicaIΓ
copy"ght?2∞
Al|rights Γ
「e∞
rding冫
eρ°付at Ieast every而
|nternatonaI
ve years at which廿
me it rnay be rea矸
irrned,「evised,oF Cance‖
ed SAE丨
nvltes youΓ
Wntten comments and suggest°
ns
3sA【
°Γ°therWise,wRI、
eserVed~No part of this pubIicati°
out the pfior w血
n may be reρ
en ρerm心
si°
Γoduced,stored in a retrieVaI system or Lansrniued`in any foΠ
n of SAE
η°r by any means,e丨
eGtronic,m∞
hanicaI,photocopying,
t0PLACE A DOCumE"T oRDER: teI: 877~eo0T323f"s∶
de us^aⅡ
刂ca"ada)
TeJ∶ 7⒉
Fax: 724ˉ
sAE WEB ADDREss: 录
t%1四
J″6艹970(outside Us^)
776ˉ0790
四
”
ae。。
注茗茹
W歹
sAE J刂
89Re刂sed JuN2oo3
T^BLE1A-lIOsE DIⅢ
ENsIONs(Ⅲ
Recommended
TRIC)
厍
Reco"i‘
Work∶
ηended Working
ng PⅠ
essure,
Tens"e Load, ,、
h user
Tens"e Load,
in,"pressure, max,"Pa
"ominaI "ominaI
ID OD,
cJn cm
:D OD
Tohra冂
∞
, ToIefanCe,
max,"Pa wⅡ
Jn:n,Ib Wkh user Burst
Wkh E"d ^ρ
Fi⒒∶ngs Chm,s m∶
ρ
Ihd s0e"gth
n,"p。
WⅡh End ^pp1bd
F∶∮∶ngs clamps
cgn om
o,991/o,874 1.74B/1.588
⒕BLE1叫
0sE DIⅢ
ENsIONs(ENGLIsH)
Recommended
Working
Presslrre,
max,
psi
llYith User
Applbd
Clampe
Reco""η
Wor陌
ρressu了
ended
ng
e,
TensⅡ
e Load,
T0nsⅡ
e Load, min,lb
m∶n,lb Wnh usσ
Wkh End ^ppⅡ
FIuIngs cIamps mIn,,s∶
Burst
ed sLe"gth
Nominal
ID
in
"om∶
naI ∶
D
,
oD, Tohran∞
∶
n ∶n
OD
Tolerance,
ln
maX,ρ
Wkh End
FI⒒∶
ngs
s∶
o。390/o.344 /o.625
⒌ 尼sf ProεeJEJres-Procedures described in AsTM D38o,shaⅡ
be
ε.
Qualificatrbn lests-To
qualify
hose under this
document,
all of the
met.
`"specfJo刀
Tesfs-Produmon shipments orIots σ
f quaIified hose shaⅡ
be f
g
must be
in
a'rfrienlwn Section
M扪
而ue2
⒎
and shall conform to the
applicable
test requirements,
but
the user may
test
姜艹巍窑江
test or tests that
have failed shall
be retested using
twice the number
of samples indicated
in Table 2. Faipre
of any of the"retested
samples
shall be cause for rejection
of the entire lot.
sefected at random,
as listed
in Table 2, are
required to conduct
a complete test. In)S'event
of a faiJure,
the
or all such
production
shipments or lots
to all the test requirements.
Fourte
from
any
hose assemblies,
T^BLE2-丬
NsPECⅡ
0N TEsTs
Samples
Required
1,Length change(9,10)b丨
2. Tens‖
Temρ
4, Adhesion(9,4)
5,Impu|se lg.1)
e(9.2)
eratuFe F丨
e兔
bility lg,3)
bwed by Bursting strength(9.5)
3
3
1
1
6
8.
Frequency of Testing
for lnspection-All
inspection
tests except impulse
shall be
performed
on either a bulk
hose lot or a coupled hose
lot basis or tests
may be split between
a bulk hose lot and a
coupled hose
lot.
A coupled hose lot shall
not expeed 10
00O hose assemblies and
a bulk hose lot shall
not exceed 60g6
m
(20
000 ft) of bulk hose.
ˉ
2ˉ
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