JIS K2238-1993 机械油.pdf

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UDc65.765:621.892.2
This standard was revised in 6, 1993
JAPANESE INDUSTRIAL STANDARD
Machine Oils
めJSK2238-me
Translated and Published
Japanese Standards Association
波管
2001
Printed in SPLR
4 S
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In the event of any doubt arising, the original
atandard in Japanese 18 to be evidence
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UDC665.765:621.892.2
JAPANESE INDUSTRIAL STANDARD
丁S
Machine0⊥1s
K2238-1983
1. Scope
This Japanese Industrial Standard specifles machine otis malnly used as
lubricant oils for varlous kinds of machines Lubricated by the complete
issipation type olling system
Remark: The units given in in this standard are based on the
International System of Units (SI) and are appended for
reference
2。C1aSを⊥f⊥cat⊥on
Machine oils shall be classifted into 18 classes given in Table below
according to viscosity classification provided in JIS K 2001
uality
Machine oils shall be of refined mineral oils containing no water or
precipitates. They shall meet the requrements of Table below when
objected to the tests specifled In 4 Test Methods.
Applicable Standards: See page 4
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K2238-1983
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K2238-1983
4、 Test Method
4.1 Sampling Method Sampling shall be performed in accordance with
JIS K 2251
4.2 Kinematic Viscosity The kinematic viscosity shall be determined b
the kinematic viscosity testing method specified In JIS K 2283
4.3 Colour The colour shall be assessed by ASTM colour testing method
specified in JIS K 2580
However, In the case of Note (4), the Saybolt colour test method shall
re employed
Cleveland open
type
.nt The ignition point shall be determined by the
ignition point testing method specified In JIS K 2265
4.5 Pour Point The pour point shall be determined by the pour polnt
testing method specified in JIS K 2269
4.6 Copper Corroson The copper corrosion test shall be performed in
accordance with JIS K 2513
Deslgnatlon of Product
The machine oils shall be designated by the name and class of the
product
Example: Machine oil ISO VG 2
This may be abbreviated as Machine of1 2
6。Mark9
visible Positon of the container However, such particulars way be
The following particulars shall be marked indefeasibly at an easil
indicated in the invoice when the above marking ds difficult, for example,
in the cases of. tank wagong, tankers and tank lorries
ame and class
(2) Lot number
(3) Net volume
(4) Name of manufacturer( or abbrev⊥at⊥on
5)