DLA MIL-DTL-4339 E-2009 CORROSION PREVENTIVE SOLUBLE OIL FOR WATER INJECTION SYSTEMS (NATO CODE NUMBER C-630).pdf

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1、Comments, suggestions, or questions on this document should be addressed to Defense Supply Center Richmond, ATTN: DSCR-VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616 or e-mailed to STDZNMGTdla.mil. Since contact information can change, you may want to verify the currency of this address

2、information using the ASSIST database at http:/assist.daps.dla.mil. AMSC N/A FSC 6850 INCH-POUND MIL-DTL-4339E 5 October 2009 SUPERSEDING MIL-C-4339D 19 July 1990 DETAIL SPECIFICATION CORROSION PREVENTIVE, SOLUBLE OIL FOR WATER INJECTION SYSTEMS (NATO CODE NUMBER C-630) Inactive for new design after

3、 23 February 1998. This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for one type of corrosion preventive soluble oil conforming to NATO Code Number C-630, used in water-alcohol mixtures

4、. These water-alcohol mixtures are used as thrust augmentation in certain jet aircraft engines and as anti-detonation or internal coolant fluids in certain reciprocating engines (see 6.1 and 6.6). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3,

5、4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet al

6、l specified requirements of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4339E 2 2.2 Government documents. 2.2.1 Specifications, standards, and h

7、andbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL SPECIFICATIONS O-M-232 - Methanol (Methyl Alcohol) (Copies

8、of this document are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specifie

9、d herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASTM INTERNATIONAL ASTM B272 - Standard Specification for Copper Flat Products with Finished (Rolled or Drawn) Edges (Flat Wire and Strip) ASTM D95 - Standard Test Method for Water in

10、 Petroleum Products and Bituminous Materials by Distillation ASTM D97 - Standard Test Method for Pour Point of Petroleum Products ASTM D130 - Standard Test Method for Detection of Copper Corrosion from Petroleum Products by the Copper Strip Tarnish Test ASTM D482 - Standard Test Method for Ash from

11、Petroleum Products ASTM D4057 - Standard Practice for Manual Sampling of Petroleum and Petroleum Products ASTM E29 - Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications (Application for copies should be addressed to ASTM International, 100 Barr Ha

12、rbor Drive, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from http:/www.astm.org/.) SAE SAE AMS-QQ-A-250/4 - Aluminum Alloy 2024, Plate and Sheet SAE AMS 5046 - Carbon Steel, Sheet, Strip, and Plate (SAE 1020 and 1025) Annealed (Application for copies should be addressed to SA

13、E International, 400 Commonwealth Drive, Warrendale, PA 15096-0001. Electronic copies may be obtained from http:/www.sae.org/.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4339E 3 IPC IPC J-STD-006 Requirements for Electronic Grade Solder

14、 Alloys and Fluxed and Non-Fluxed Solid solders for Electronic Soldering Applications. (Application for copies should be addressed to IPC, 3000 Lakeside Drive, Suite 309 S, Bannockburn, IL 60015. Electronic copies may be obtained from http:/www.ipc.org.) 2.4 Order of precedence. Unless otherwise not

15、ed herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQU

16、IREMENTS 3.1 Material. 3.1.1 Mineral oil. The soluble oil shall contain not less than 85 percent, by weight, mineral oil. 3.1.2 Additives. The soluble oil shall contain suitable emulsifying and corrosion-preventive agents. These agents shall have a petroleum metal sulfonate as a principal constituen

17、t. The presence of sulfonate shall be determined by an infrared absorption spectrographic analysis as specified in 4.3.2.7.1. 3.1.3 Fatty acids and fatty acid soaps. The soluble oil shall contain a minimum of fatty acids and fatty acid soaps. The ratio of sulfonate absorbance to fatty acid absorbanc

18、e and fatty acid soap absorbance, when determined as specified in 4.3.2.7.2, shall not be less than 6.0 to 1 and 3.5 to 1 respectively. If no fatty acids or fatty acid soaps are present, then the mere presence of sulfonate will satisfy this requirement. 3.2 Pour point. The finished oil shall have a

19、pour point not higher than 30F (-2C) when tested per 4.3.2.1. 3.3 Corrosion. The copper strip corrosion rating of the finished oil shall not exceed ASTM D130, strip classification 2, moderate tarnish when tested per 4.3.2.2. 3.4 Water content. The water content of the finished oil shall not be more

20、than 3.0 percent when tested per 4.3.2.3. 3.5 Emulsion. Emulsions prepared as specified in 4.3.2.4.2 and 4.3.2.4.3 shall meet the froth and separation requirements below. 3.5.1 Froth. The emulsion shall show not more than a trace of forth 15 minutes after preparation. See 4.3.2.4.2.1 and 4.3.2.4.3.1

21、. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4339E 4 3.5.2 Separation. The volume of finished oil separating from the emulsion in 72 hours shall not exceed 2 percent of the total volume of the emulsion. See 4.3.2.4.2.2 and 4.3.2.4.3.2. 3

22、.6 Hydrogen ion concentration. The pH value of an emulsion prepared with 1 part finished oil and 9 parts distilled water, by volume, shall not be less than 8.5 nor more than 10.0 at a temperature of 77F (25C) when determined per 4.3.2.5. 3.7 Corrosion (of the emulsion). Clean, bright, mechanically p

23、olished strips of aluminum, copper, steel, and clean strips of tin-lead solder shall show no evidence of etching, pitting, or other corrosion and shall show not more than a slight discoloration when treated with an emulsion prepared with 1 part oil and 4 parts distilled water at a temperature of 77

24、9F (25 5C) for 168 hours, when tested as specified in 4.3.2.6.2, and at a temperature of 100 7F (38 4C) for 168 hours, when tested as specified in 4.3.2.6.3. 3.8 Ash content. The finished oil shall not contain more than 2 percent ash by weight (10 gram sample) when tested per 4.3.2.8. 3.9 Workmanshi

25、p. The finished oil shall be clear and homogeneous and shall not contain suspended matter or sediment when examined per 4.3.1. 3.10 Limiting values. The following applies to all specified limits in this specification: for purposes of determining conformance with these requirements, an observed value

26、 or a calculated value shall be rounded off to the nearest unit in the last right-hand place of figures used in expressing the limitation value, in accordance with ASTM E29. 4. VERIFICATION 4.1 Conformance inspection. Inspections of individual lots, whether bulk lot or container lot, which serve as

27、a basis of acceptance shall consist of all the examinations and tests specified under 4.3. (See 6.4 for definition of bulk and container lot.) 4.2 Sampling. Sampling shall be accordance with ASTM D4057. 4.2.1 Sample submission. When required (see 6.2), a one gallon sample shall be forwarded to the l

28、aboratory designated by the procuring activity for subjection to the tests specified herein. 4.3 Verification methods. 4.3.1 Examination of product. The finished oil shall be inspected visually for clearness, homogeneity, suspended matter, sediment or free water (see 3.9). Provided by IHSNot for Res

29、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4339E 5 4.3.2 Tests. 4.3.2.1 Pour point. Pour point shall be determined by testing per ASTM D97. See 3.2 for specified pour point. 4.3.2.2 Corrosion. Corrosion shall be determined by testing per ASTM D130. For less volat

30、ile materials, use a test bath temperature of 212F (100C). See 3.3 for specified corrosion limits. 4.3.2.3 Water content. Water content shall be determined by testing per ASTM D95. See 3.4 for specified water limit. 4.3.2.4 Testing of emulsion. 4.3.2.4.1 Preparation of synthetic hard water. Syntheti

31、c hard water shall be prepared by adding the following chemicals, of chemically pure grade, to 10 liters of distilled water and bubbling carbon dioxide through the solution until the chemicals are completely dissolved: Calcium carbonate, anhydrous, CaCO31.000 g Calcium Chloride, anhydrous, CaCl20.25

32、0 g Calcium Sulfate, anhydrous, CaSO42.500 g Magnesium Carbonate, anhydrous, MgCO31.000 g Sodium sulfate, anhydrous, Na2SO41.000 g If anhydrous salts are not available, proportionately larger weights determined by the chemical formula of the corresponding hydrates may be used. 4.3.2.4.2 Water emulsi

33、on. Five milliliter (5 ml) of the finished oil shall be added to 45 ml of the synthetic hard water contained in a 100 ml graduated cylinder with an inside diameter of approximately 1.125 in (28.6 mm). The temperature of the liquid shall be adjusted to 77 5F (25 3C). The mixture shall then be stirred

34、 vigorously for 5 minutes by means of an apparatus similar to that shown in Figure 1. The heating bath should be deep enough to cover the 85 ml mark on the graduated cylinder. The stirring mechanism consists of the following: a. Paddle, copper strip, 4.75 in X 0.75 in X 0.062 in (12.1 cm X 1.9 cm X

35、0.16 cm). b. Shaft, stirring, with means to attach paddle, long enough to immerse paddle to approximately 0.25 in (0.64 cm) from the bottom of the graduated cylinder. c. Motor, stirring, approximately 1500 rpm, for rotating shaft and paddle. As soon as the stirring is completed, the paddle shall be

36、withdrawn from the emulsion and held for approximately 3 minutes in such a position that the greater part of the emulsion clinging to it will drain into the cylinder. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4339E 6 Provided by IHSNot

37、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4339E 7 4.3.2.4.2.1 Froth. The cylinder containing the emulsion shall be allowed to stand without any agitation, at a temperature of 77 5F (25 3C) for 15 minutes, measured from the time of withdrawal of the paddle

38、, and shall then be inspected for the presence of froth (see 3.5.1). 4.3.2.4.2.2 Separation. The cylinder and its contents shall then be allowed to stand undisturbed for 72 hours at 77 5F (25 3C), and shall then be inspected for evidence of separation (see 3.5.2). Creaming (formation of a creamy por

39、tion of emulsion which tends to rise to the top without actually separating as a layer of free oil) shall not be considered separation. 4.3.2.4.3 Water-alcohol emulsion. Five milliliter (5 ml) of the finished oil shall be added to 45 ml of the synthetic hard water contained in a 100 ml graduated cyl

40、inder with an inside diameter of approximately 1.125 in (28.6 mm). The temperature of the liquid shall be adjusted to 77 5F (25 3C). The mixture shall then be stirred vigorously for 5 minutes in a manner similar to that specified in 4.3.2.4.2. As soon as stirring is completed, 50 ml of methyl alcoho

41、l conforming to O-M-232, grade A shall be added. The emulsion shall be stirred for an additional 5 minutes. As soon as the stirring is completed, the paddle shall be withdrawn from the emulsion and held for approximately 3 minutes in such a position that the greater part of the emulsion clinging to

42、it will drain into the cylinder. 4.3.2.4.3.1 Froth. The cylinder containing the emulsion shall be allowed to stand without any agitation, at a temperature of 77 5F (25 3C) for 15 minutes, measured from the time of withdrawal of the paddle, and shall then be inspected for the presence of froth (see 3

43、.5.1). 4.3.2.4.3.2 Separation. The cylinder and its contents shall then be allowed to stand undisturbed for 72 hours at 77 5F (25 3C), and shall then be inspected for evidence of separation (see 3.5.2). Creaming (formation of a creamy portion of emulsion which tends to rise to the top without actual

44、ly separating as a layer of free oil) shall not be considered separation. 4.3.2.5 Hydrogen ion concentration (pH). An emulsion shall be prepared by vigorously shaking 5 ml of the finished oil and 45 ml of distilled water, having a pH value of 6.5 to 7.0, in a glass-stoppered flask. An immediate dete

45、rmination of the pH value shall be made electrometrically, using a glass electrode. pH shall be in the range specified in 3.6. 4.3.2.6 Corrosion test (of the emulsion). See 3.7. 4.3.2.6.1 Emulsion mixture. The emulsion shall be of 1 parts of finished oil and 4 parts of distilled water, by volume. Pr

46、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4339E 8 4.3.2.6.2 Spot test. 4.3.2.6.2.1 Test specimens. Test panels shall be approximately 2 inches (5.1 cm) square. There shall be a test panel of each of the following materials: Aluminum confo

47、rming to SAE AMS-QQ-A-250/4 Copper conforming to ASTM B272 Low-carbon steel conforming to SAE AMS 5046 The panels shall be polished on one face to a finish of 6 to 8 micro inches (0.15-0.20 micrometers) roughness height rating (RHR) by any suitable means. 50/50 tin-lead solder conforming to J-STD-00

48、6. The sample shall be solid and have a surface area of not less than 1 square inch (6.45 cm2). 4.3.2.6.2.2 Test procedure. Just before testing, the panels shall be finish cleaned with a paste of magnesium oxide (heavy powder magnesium oxide, Fisher Scientific part # M68-3 or equivalent) and water u

49、ntil free of water break. The test panels shall be rinsed in distilled water, then 95 percent ethyl alcohol, dried and placed polished side up on a glass or other noncorroding surface. One-half milliliter of emulsion (4.3.2.6.1) shall be placed on each panel. The solder sample shall be rinsed with dist

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