ARMY PPP-P-704 E-1981 PAILS METAL (SHIPPING STEEL 1 THROUGH 12 GALLONS)《金属桶 (装运用钢桶 1-12加仑)》.pdf
《ARMY PPP-P-704 E-1981 PAILS METAL (SHIPPING STEEL 1 THROUGH 12 GALLONS)《金属桶 (装运用钢桶 1-12加仑)》.pdf》由会员分享,可在线阅读,更多相关《ARMY PPP-P-704 E-1981 PAILS METAL (SHIPPING STEEL 1 THROUGH 12 GALLONS)《金属桶 (装运用钢桶 1-12加仑)》.pdf(51页珍藏版)》请在麦多课文档分享上搜索。
1、PPP-P-704E 81 9797974 0037364 7 S-Ob-/S PPP-P-704E October 30, 1981 SUPERSEDING Fed. Spec. PPP-P-70411 January 17, 1977 FEDERAL SPECIFICATION PAILS, METAL: (SHIPPING, STEEL, 1 ! free from pits, cracks, deformation of naterial, splatter, burn through flash, and show good fusion. lux deposits shall be
2、 removed from the finished welds. Rough surfaces or projecting fins shall be removed. naterials joined, and meet the requirements of 3.9. All loose scale or Welds shall have strength equal to that of the 3.4 Marking. Marking of the pails shall be in accordance with the provisions of In addition, whe
3、n pails are procured by the This additional marking shall not: be required when the applicable regulation or rules. government, the pail shall be marked “PPP-P-704E“ either stenciled or printedrin a ?ennanent contrasting color. pails are furnished incident to procurement of the product. 3.5 Capacity
4、. The capacity of the pails shall meet the requirements of the applicable DOT specifications, rule 40 of the Uniform Freight Classification, or item 260 of the National Motor Freight Classification, as applicable, 3.6 Finish. 14 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
5、thout license from IHS-,-,-I- PPP-P-704E 81 7777774 0037378 7 PPP -P -7 O 4E 3.6.1 Cleaning. The interior and exterior of the pails shall be free of rust, loose scale, metal particles, and foreign matter. 3.6.2 Interior coatings. Unless otherwise specified (see 6.2), pails used to package materials
6、having a deleterious effect on the pail (or vice versa), shall be given a smooth coat of an appropriate lining (interior coating), as needed for the product packaged of sufficient density to cover all interior exposed surfaces, with exception of the closure. 3.1.2). Where their use will not affect n
7、or be affected by the contents of the pail. The interior surface of the closure may be lined (see Unless otherwise specified (see 6.2), soluble coatings will be permitted 3.6.2.1 interior protective coating, type III, class 6 pail. All interior surfaces of the type III, class 6 pail, including the u
8、nderside of the removable cover, shall be uniformly and completely covered with two coats of baked-on enamel conforming to 3.1.2.3. The first coat shall be applied and baked-on the shell and bottom cover of the pail prior to assembly, while the second coat shall be applied and baked-on after assembl
9、y. directions of the manufacturer of the coating. The interior protective enamel coating shall show no blistering, checking, blushing, cracking, softening , crazing, pronounced discoloration or permit corrosion of the metal or any other sign of failure or deterioration as a result of exposure to chl
10、orine when tested as specified in 4.3.5. Application and baking procedures shall conform to the 3.6.3 Exterior coatings. All exterior surfaces shall be coated in the flat or after fabrication of the pails. The coating shall be a corrosionsinhibiting enamel specified in 3.1.3, applied to a minimum dr
11、y. film thickness of 0.6 mil when tested as specified in 4.3.4. specified in 3.6.4 may be painted with enamel specified in 3.1.3. When coating is done in the flat, it is not necessary to recoat after fabrication, except to touch up uncoated areas left for fabrication, such as side-seams and spots le
12、ft for attaching ears and clips. - After complete fabrication of the pail, the enamel shall show good adhesion, be difficult to furrow, not flake off; and not show jagged edges *en knife-tested as specified in 4.3.4. If TT-E-485 finish is adversely affected in appearance or adhesion by the high bake
13、 of the internal 1iner.coat an alternate coating Comparable to TT-E-485 may be used. When the standard commercial baking. enamel is used with containers calling for baked interior linings, an exterior paint incorporating a modified polyester resin may be used instead of the norma% alkyd coating. Wir
14、e bails, handles, handle cleats, and bail ears coated as 5. 3.6.3.1 Exterior (camouflage) enamel, type III, class 6 pail. All exterior surfaces of the type III, class 6 pail, including that of the removable cover shall be uoiformly and completely covered with two coats of baked-on enamel conforming
15、to that specified for the type III, class 6 pail in 3.1.3. applied and baked-on the shell and bottom cover of the pail prior to assembly; while the second coat shall be applied and baked-on after assembly. The minimum dry film thickness, adhesion, furrowing, flake-off and jagged edges requirements o
16、f 3.6.3 shall apply. The camouflage enamel shall meet the same requirements for resistance to chlorine as specified for interior protective coating in 3.6.2.1. The first coat shall be 15 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PPP-P-704E 3.6.
17、4 Wire handle cleats and bail ears. Handle cleats, and bail ears shall be zinc-coated or otherwise protectively coated to resist corrosion. 3.6.5 Closures. All ferrous metal parts of closures shall be provided with a commercial rust-inhibiting protective finish. 3.6.6 Waxink. Molten wax conforming t
18、o 3.1.2.2 shall be applied to all interior and exterior seams of the type III, class 6 pail over the protective or camouflage coating. The wax shall cover the seams and extend.l inch on each .side of the seams. downward 1 inch 2 1/2 on the outside of the pail. gasket in a strip no less than 1 inch.
19、In addition, wax shall be applied to the-top lip of the pail, extending Wax shall be applied to the 3.7 Compliance. The containers shall comply with the specifications of the DOT, Uniform Freight Classification, or National Motor Freight Classification, as applicable . 3.8 Performance. The pails sha
20、ll be able to withstand tests specified in 4.3 through 4.3.4 without leakage. made in accordance with rule 40 of the Uniform Freight Classification and Item 260 of the National Motor Freight Classification. materials shall meet or exceed the requirements for the applicable DOT container specificatio
21、n. repaired by welding, and retested. Use of solder to effect repairs shall not be permitted. coating at the affected (area(s) shall be restored. No hydrostatic or drop test is required for pails Pails used for shipment of hazardous Pails which leak when tested (see 4.3), shall be rejected or If int
22、erior or exterior coatings are damaged incident to repairing, the 3.9 Workmanship. Finished pails shall be free from leaks, dents, loose covers or defective covers (when applicable), poor or no coating, no gasket or defective gasket, poor stacking ability (when applicable), defective bail and handle
23、 (when applicable), lugs missing or defective, closure defective or missing. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as specified herein. use his ow
24、n or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and service
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