NAVY A-A-59316-1999 ABRASIVE MATERIALS FOR BLASTING《爆破研磨材料》.pdf

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1、INCH-POUNDCOMMERCIAL ITEM DESCRIPTIONABRASIVE MATERIALS; FOR BLASTINGThe General Services Administration has authorized the useof this commercial item description for all federal agencies.1. SCOPE. This commercial item description (CID) covers newly manufactured mineral typeabrasive materials used w

2、ith pressure blasting equipment. The abrasives are generally used forblast cleaning metal surfaces to remove scale, rust, paint, encrusted sand, dirt, and other foreignmaterial, and to prepare surfaces for applied finishes such as paints, plasma spray, and metalplatings.2. CLASSIFICATION. The abrasi

3、ve materials shall be of the following types and grades:2.1 Types .Type I - Aluminum oxide, fused synthetic or naturally crystallized; for wet or dry blasting.Type II - Novaculite (silicon dioxide); for wet blasting.Type III - Silicon carbide; for wet or dry blasting.Type IV - Garnet; for wet or dry

4、 blasting.Type V - Emery; for wet or dry blasting.Type VI - Diatomaceous silica, uncalcined; for wet blasting.Type VII - Tripoli; for wet blasting.2.2 Grades .Grade A - Coarse grit size (No. 36); for Types I, III, IV, and V.Grade B - Medium grit size (No. 100); for all types.Grade C - Fine grit size

5、 (No. 180); for all types.Grade D - Extra fine grit size (No. 240); for Types II, VI, and VII.FSC 5350A-A-593163 February 1999SUPERSEDINGMIL-A-21380B15 July 1965Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any otherdata which may improve this document should b

6、e sent to: Commander, Naval Air WarfareCenter Aircraft Division, Code 414100B120-3, Highway 547, Lakehurst, NJ 08733-5100.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5931623. SALIENT CHARACTERISTICS.3.1 Material . The abrasive material shall

7、be noncaking, free flowing, uniform in appearance, andfree of foreign grit or other extraneous materials. It shall not contain free iron visible to the eyeor easily separated by a magnet.3.2 Grain Appearance . The abrasive material shall appear as specified in Table I.TABLE I. Grain Appearance .Type

8、 Appearance and Grain Shape 1 /I, III, IV, V Angular and multi-sided; maximum of 2% of slivers or flats.II Rounded disks; partially agglomerated; maximum of 2% of slivers or flats.VI Distinct diatom structures, including disk-like, spicular, and cylindricalforms or fragments thereof.VII Fibrous stru

9、cture, with no more than 0.5% having sharp edges or corners.1 / Viewed at 100X magnification for Types I, II, III, IV, V, and VII; at 300X for Type VI.3.3 Grit Size Grading . The abrasive material shall be graded in accordance with ANSI-B74.12and shall conform to the grit size requirements of 2.2.3.

10、4 Hardness . The abrasive material shall be of sufficient hardness to scratch glass when testedby placing some of the abrasive material between two glass microscope slides and, while applyingpressure, moving one slide over the other in a reciprocating motion. The glass slide shall beexamined for scr

11、atches.3.5 Chemical and Physical Properties . The abrasive material shall conform to the requirements inTable II when determined in accordance with ANSI-B74.14.4. REGULATORY REQUIREMENTS.4.1 Regulatory Requirements . The offeror/contractor is encouraged to use recovered materialsto the maximum exten

12、t practicable, in accordance with paragraph 23.403 of the FederalAcquisition Regulation (FAR).4.2 Metric Products . Products manufactured to metric dimensions will be considered on an equalbasis with those manufactured using inch-pound units, provided they fall within the tolerancesspecified and all

13、 other requirements of this document are met. If a product is manufactured tometric dimensions and those dimensions exceed the tolerances specified in inch-pound units, arequest should be made to the contracting officer to determine if the product is acceptable.Provided by IHSNot for ResaleNo reprod

14、uction or networking permitted without license from IHS-,-,-TABLE II. Chemical and Physical Properties .Property RequirementsType I Type II Type III Type IV Type V Type VI Type VIIAluminum Oxide 98.0 (min.) Residue, percentSilicon Dioxide Content, 98.5 (min.) 35.0 to 40.0 20.0 to 30.0 85.0 (min.) 90

15、.0 (min.)percentSilicon Carbide Content, 98.5 (min.) percentR 2 O 3 Residue, percent 1 / 55.0 (min.) 55.0 (min.) Moisture Content, 0.5 (max.) 0.5 (max.) 0.5 (max.) 0.5 (max.) 6.0 (max.) 0.5 (max.)percent 2 /Loss on Ignition, percent 0.2 (max.) 0.1 (max.) 6.0 (max.) 3.0 (max.)Specific Gravity 3.60 (m

16、in.) 2.55 (min.) 3.20 (min.) 3.70 (min.) 3.50 (min.) 1.85 (min.) 2.15 to 2.601 / Occurring mainly as Fe 2 O 3 and Al 2 O 3 .2 / The moisture content of the abrasive material delivered in bags or sacks shall not exceed the values listed in this table.A-A-593163Provided by IHSNot for ResaleNo reproduc

17、tion or networking permitted without license from IHS-,-,-A-A-5931645. QUALITY ASSURANCE PROVISIONS.5.1 Product Conformance . The product provided shall meet the salient characteristics of thisCID, conform to the producers own drawings, specifications, standards, and quality assurancepractices, and

18、be the same product offered for sale in the commercial market. The Governmentreserves the right to require proof of such conformance.5.2 Market Acceptability . The following market acceptability criteria are necessary to documentthe quality of the product to be provided under this CID.5.2.1 The comp

19、any producing the abrasive material must have been producing a product meetingthe requirements of this CID for at least 6 months.6. PACKAGING.6.1 Preservation, Packing, and Marking . Preservation, packing, and marking shall be as specifiedin the contract or order.7. NOTES.7.1 Source of Documents .7.

20、1.1 ANSI Standards are available from the American National Standards Institute, Inc., 11West 42nd Street, New York, NY 10036.7.1.2 The FAR may be obtained from the Superintendent of Documents, U.S. GovernmentPrinting Office, Washington, DC 20402-0001.7.2 Ordering Information . The purchaser should

21、select the required options permitted herein andinclude the following information in procurement documents:a. Title, number, and date of this CID.b. Type and grade.c. Quantity.d. Preservation, packing, and marking.7.3 Part Identification Number (PIN) . Abrasive materials conforming to this CID shall

22、 beidentified by a part number configuration consisting of the CID number, type, and grade. Anexample of the part number configuration is as follows:Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-593165AA59316 - X - XGrade (see 2.2)Type - use 1

23、through 7 instead of Roman numerals (see 2.1)CID number7.4 National Stock Numbers . The following is a list of assigned NSNs that correspond to thisCID. The list may not be indicative of all possible NSNs associated with the CID.5350-00-184-5824 5350-00-255-07595350-00-184-5825 5350-00-255-07605350-

24、00-184-6248 5350-00-466-59245350-00-814-6253 5350-00-881-44445350-0 0-184-6254 5350-01-088-58015350-00-184-6255 5350-01-144-04715350-00-222-0493 5350-01-236-08145350-00-223-4371 5350-01-261-90655350-00-230-3235 5350-01-295-97025350-00-230-3246 5350-01-295-97035350-00-255-0758 5350-01-360-6562MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY:GSA/FSS - 7FXECustodian:Army - MR Preparing Activity:Navy - AS Navy - ASAir Force - 99(Project 5350-0053)Review Activities:Army - AR, CRNavy - MC, YD2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

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