JIS-Z-1903-1995-ENG.pdf
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1、e -. J I S ZXL903 95 W 4933b08 053088b 306 JIS UDC 620.197.6:669.14:665.767 JAPANESE INDUSTRIAL STANDARD Petrolatum paste for corrosion protection JIS 2 1903-1995 Translated and Published by Ja panese Standards Association Printed in Japan 10 s Copyright Japanese Standards Association Provided by IH
2、S under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 07:41:20 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS ZSL903 95 4933608 0530887 242 In the event of any doubt arising, the original Standard in Japanese is to be f
3、inal authority. . Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 07:41:20 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S ZU1903 95 W 4933608 0530888 189 =
4、TJDC 620.197.6: 669.14: 665.767 JAPANESE INDUSTRIAL STANDARD J I S Petrolatum paste foi corrosion protection Z 1903-1995 1. Scope This Japanese Industrial Standard specifies the petrolatum paste for corrosion protection to be used for corrosion protection of steel tubes, steel bars, and other irons
5、or steels. Remarks: The standards cited in this Standard are shown in Attached Table 1. 2. Definitions as follows: The definitions of the major terms in this Standard shall be petrolatum paste for corrosion protection surface preparation material of the petrolatum tapes for corrosion protection as s
6、pecified in JIS Z 1902, which is paste-like substance where the corrosion inhibitor, the filler or the like are added in the wax distilled from the residual oil after distillation, under reduced pressure of the petroleum, and refined thereafter. consistency The parameter to express the hardness of t
7、he petrolatum paste for corrosion protection (hereafter referred to as “sample“) one unit of which is 0.1 mm of the depth where the specified cone is advanced verti- cally in the test under the specified condition. melting point The temperature when the molten sample is adhered to the mercury part o
8、f the thermometer to be solidified, heated under the specified condition, and the initial drop falls from the thermometer, flash point the oil vapor and the air is instantaneously combusted with generating sparks when the sample is heated under the specified condition and a small flame is brought cl
9、ose to the oil surface. evaporation The amount of the substance evaporated which is expressed by per cent when the sample is heated under the specified condition. sag resistance The nature where the coated film does not slide down to the reference line when the test piece coated with the sample is k
10、ept upright for one hour at the specified temperature. low temperature adhesive property the sample is adhered to the surface of the test piece at low temperature. water-paste substitutability The nature where the sample is substituted with the water adhered to the surface of the test piece to preve
11、nt corrosion. salt water immersion test method The test method to examine the nature of the sample to prevent the rust of the test piece when the test piece coated with the sample is immersed in salt water for the specified period of time. salt spray test method The test method to examine the nature
12、 of the sample to prevent rust of the test piece when the test piece coated with the sample is left for the specified period of time in the device sprayed salt water. Substance to be used as the The lowest temperature of the sample where the mixture of The nature where the coated film of Copyright J
13、apanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 07:41:20 MDTNo reproduction or networking permitted without license from IHS -,-,- . . J I S Z+L903 95 M 4933608 0530889 015 M Kind Class 1 2 Z 1903-199
14、5 Use For general purpose (il) corrosiveness The nature of the sample to corrode metal. Class 1 3. Kind - classified according to the use as shown in Table 1 . The kind of the petrolatum paste for corrosion protection shall be Class 2 Table 1. Kind - No generation of rust Class 2 I For underwater pu
15、rpose 4. Quality be as specified in Table 2 when tested in accordance with 5. The quality of the petrolatum paste for corrosion protection shall Table 2. Quality Item Consistency Melting point “C Flash point C Evaporation % Sag resistance Low temperature adhesive property Water-paste substitutabilit
16、y Salt water immersion Salt spray Corrosiveness (mg/cm2) 3 . 0 or under No sliding down of the film Class A I - Class A Steel f 0.2 Stainless steel f 0.1 Zinc Brass f 0.2 f 0.2 Aluminium f0.2 5. Test method 5.1 General items K 0050. General items common to the tests shall comply with JI$ The figures
17、 shall be rounded off in compliance with JIS Z 8401. 5.2 Method for sampling K 2251. The method for sampling shall comply with JIS Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 07:41:20 M
18、DTNo reproduction or networking permitted without license from IHS -,-,- - J I S Z+L903 95 = 4933b08 0530890 837 3 Z 1903-1995 5 . 3 5.3.1 Test piece Common items to test piece Cold rolled steel sheet test piece prepared as specified in Fig. 1. The cold rolled steel sheet test shall be (a) Material
19、SPCC-SB as specified in JIS G 3141 (b) (c) Dimensions Hanging holes to enable hanging. 1 . 0 to 2 . 0 (thickness) x 60 (longitudinal) x 80 (transverse) mm Two holes of 3 mm in diameter shall be made so as Fig. 1. Cold rolled steel plate test piece 93 7 Unit: mm 93 Blast test piece Fig. 2. (a) Materi
20、al SS400 as specified in JIS G 3101 The blast test piece shall be prepared as specified in (b) Dimensions 3.2 (thickness) x 150 (longitudinal) x 70 (transverse) mm (c) Hanging hole One hole of 6 mm in diameter shall be made so as to enable hanging. Copyright Japanese Standards Association Provided b
21、y IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 07:41:20 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S Zx903 95 W 4933608 O530893 773 W 4 Z 1903-1995 t ! ! Fig. 2. Blast test piece -k-Q 35 J. Surface to 50
22、x 50 o , be measured A J. Surface to 50 x 50 o , be measured A 10 - c 70 Unit: mm 5.3.2 Preparation of test piece (i) Preparation of cold rolled steel sheet test piece sheet test piece shall be prepared as follows: The cold rolled steel (1.1) Solvent and material (a) (b) Methanol As specified in JIS
23、 K 8891 (c) Abrasive (1.2) Handling of test piece pair of tweezers or gloves so as not to leave finger prints or other corrosive stains on the test piece. Solvent specified in JIS K 2201 Grade 3 (volatile soybean oil) or Grade 4 (mineral spirit) as A, P240 as specified in JIS R 6251 or JIS R 6252 Th
24、e test piece shall be handled by using a clean (1.3) Procedure for preparation (1.3.1) Preliminary cleaning Wash off the rust-proof oil, dirt or dust adhered to the test piece while slightly rubbing the test piece with gauze in the solvent, and dry the test piece by air-drying. Copyright Japanese St
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