AIR FORCE MIL-T-5695 D-1973 TUBING STEEL CORROSION-RESISTANT (304) COLD DRAWN《冷拔防腐(304)钢管》.pdf

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1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-5b95D i.17 W 9797706 0270780 3 W MIL-T-5695D Mi lit ary MIL-STD-105 MIL-STD- 129 MIL-STD-163 MIL-STD-753 MS - 33 53 2 MS -3 3 53 3 MS - 3 3 534 Sampling Procedures and Tables for Inspection Markin

2、g for Shipment and Storage Steel Mill Products, Preparation for Shipment and Storage Corrosion-Resistant Steel Parts, Sampling Inspection and Testing fr Surface Pass ivat ion by Attributes Square and Rectangular Tubing-Carbon Steel and Alloy Steel .35 Carbon, Maximum Tolerances-Seamless Corrosion-Re

3、sistant Steel Tubing Round Standard Dimensions for Streamline and Oval Tubular Shapes (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the, contrac

4、ting officer . ) * 2.2 Other publications. The following documents form a part of this -specification to the extent specified herein. Unless otherwise indicated the issue in effect on date of invitation for bids or request for proposal shall apply. American Society for Testing and Materials (ASTM) E

5、 8 Methods of Tension Testing of Metallic Materials (Application for copies should be directed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pa. 19103.) (Technical society and technical association specifications and standards are generally available for referenc

6、e from libraries. They are also distributed among technical groups and using Federal agencies.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-T-5b75D 47 m 7777706 0270781 5 m MIL-T-5695D 3. REQUIJGNENTS 3.1 Materials. The grade of austeniti

7、c stainless or corrosion- resistant steel shall be manufactured by the electric-furnace process. Sufficient discard shall be taken from each ingot to insure freedom from injurious piping or undue segregation. 3.1.1 Chemical composition. The chemical composition shall conform to table I. 3.2 Surface

8、treatment. The interior and exterior surfaces shall be pickled, bright as drawn, or treated by other methods producing equally satisfactory surface condition, which do not affect the wall thickness or corrosion resistance of the material. Surface treatments other than pickling shall be followed by a

9、 passivation treatment. Table I. Chemical composition I Element Carbon Manganese Phosphorous Sulfur Silicon Nickel Chromium Copper Molybdenum Iron Check analysis tolerance Limits, percent percent A/ 0.08 (max) 2.00 (max) .O4 (max) .O3 (max) .75 (max) 8.00 - 11.00 18.00 - 20.00 0.70 (max) 0.70 (max)

10、Remainder +o. o1 + .O4 + ,005 + .O05 + .O5 - + .15 + .O3 + .O5 - + .20 - - i/ Individual determinations may vary from the specified range to the extent shown in the check analysis column, except that elements in any heat shall not vary both above and below the specified range. 3 A Provided by IHSNot

11、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-5695D 97 9999906 0270782 7 MIL-T- 5695D 3.3 Mechanical properties. The mechanical properties of the tubing shall conform to table II. . Table II. Mechanical properties. Yield strength Elongation in 2 inches Condit

12、ion Tensile strength at 0.2 percent percent (min) psi (min) offset.psi (min) Full tube Strip 1/4 H, 5/16 OD 120,000 75,000 12 1Q and less Over 5/16 OD 120,000 75,000 15 12 1/2 H, all sizes 150,000 110 9 O00 7 5 3.4 Standard sizes. 3.4.1 Round tubing. Round tubing shall be furnished in diameter and w

13、all thickness.as specified by contract or purchase order. 3.4.2 Streamline and oval shapes. Tubing shall be furnished in size and wall thickness as specified by contract or purchase order. al shapes shall conform to the standard proportions of MS-33534. Cross-section- 3.4.3 Length of tubing. . 3.4.3

14、.1 Exact lengths, Tubing of all sizes may be ordered to exact lengths or in lengths as a multiple of a definite unit. 3.4.3.2 Mill lengths. When exact or multiple lengths are not specified, tubing will be accepted in mill lengths of 5 to 24 feet, hut not more than 10 percent of any order shall be fu

15、rnished in lengths shorter than 12 feet. _ 3.5 Tolerances, n 3.5.1 Round welded tubing. Permissible variations from nominal dimen- sions shall be as specified in MS-33533, except that the tolerances appli- cable to tubing 5/8 inch OD shall be applicable to tubing 5/8 inch and smaller. 3.5.2 Square a

16、nd rectangular tubing. The permissible variation from nominal dimensions shall be as specified in MS-33532. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flL-T-5675D 47 9777706 0270783 7 m I MIL-T- 5 6 95D 3.5.3 Round seamless tubinq. The permiss

17、ible variation from nominal dimensions shall be as specified in MS-33533. 3.5.4 Streamline and oval tubing. The permissible variation from nominal dimensions shall conform to the limits specified jn MS-33534. 3.5.5 Straightness. In no portion of any piece of tubing shall the departure from straightn

18、ess exceed 0.060 inch in a length of 3,feet, except that tubing 0.100 inch ID and less in the 1/2 H condition shall not depart from straightness more than 0.120 inch in any length of 3 feet. 3.5.6 Length. The permissible variation in the length of cut lengths of tubing shall be as follows: Length Pe

19、rmissible variation in length, inch Over Under 24 ft. and under 114 O Over 24 ft. to 34 ft. incl. 5/16 O Over 34 ft. I/ 5/16 O An additional tolerance of +1/16 inch is acceptable for each additional 10 ft. or fraction thereof. 3.6 Identification of product. All sizes of tubing shall be marked for id

20、entification in accordance with FED-STD-183. The following marking shall be included: MIL-T- 5695D Welded or seamless (as appropriate) * 3.6.1 In lieu of continuous marking, tubing less then 1/4 inch in diameter may be bundled and each bundle identified by metal tags impression- stamped with the abo

21、ve legend (see 3.6) and securely attached near each end of the bundle. 3.7 Workmanship. The surface of all tubing shall be smooth, clean, and free from burrs, seams, tears, grooves, laminations, slivers, pits, scale, carbonaceous residue, heat discoloration, or other injurious defects. Welded tubing

22、 shall contain no weld other than the longitudinal weld. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-T-Sb95D 47 W 77777Ob 0270784 O W MIL-T-5695D 3.7.1 Surface condition. Surface imperfections such as handling marks, straightening marks, l

23、ight mandrel and die or roll marks, shallow pits, and scale pattern will not be considered as injurious defects provided the imperfections are removable within the diameter and wall thickness tolerances specified herein. fie removal of surface imperfections is not required. 4. QUALITY ASSURANCE PROV

24、ISIONS * 4.1 Respon,sibility for inspection. Unless okherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any o

25、ther facilities suitable foy the performance of the inspection requirements specified herein, unless disapproved by the Government. 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 se

26、rvices conform to prescribed requirements. 4.2 Lot. - -A lot shall consist of tubing of one size and wall thickness, from one heat of steel, and annealed in the same charge (batch anneal) or within one 4-hour period (continuous anneal). 4.3 Passivation. Surfaces shall be passive when tested in accor

27、dance with methods 102 and 103 of MIL-STD-753. * 4.4 Examination of product. 4.4.1 Visual examiparion. Tubing shall be visually examined for compliance with surface condition and workmanship requirements, 4.4.2 Dimensional and identification marking examaination. Samples selected in accordance with

28、MIL-STD-105, Inspection Level II, AQL 1.5% shall be examined for compliance with nominal dimensions and identification marking requirements. The sample unit shall be one length of tubing. The lot size shall be the number of lengths of tubing in the lot. 6 Provided by IHSNot for ResaleNo reproduction

29、 or networking permitted without license from IHS-,-,-4.4.3 Examination of preparation for delivery. Samples selected in accordance with MIL-STD-105, AQL 4.0, Inspection Level I, shall be examined or preparation for delivery in accordance with Section 5. The sample unit shall be one completed shippi

30、ng unit (crate, bundle, pallet, etc.) ready for loading, except samples may be inspected before final sealing. units (crates, bundles, pallets, etc.) in the lot. The lot size shall be the number of shipping 4.5 Chemical analysis. 4.5.1 Sampling. A sample for chemical analysis shall be selected as sp

31、ecified in FW 151, to represent material produced under the s.ame processing conditions, from the same-heat of steel, and presented for acceptance at one tme. The sample shall be free from dirt, grit, and other foreign matter, and shall consist of not less than 2 ounces of material. Samples shall be

32、 kept separate and analyzed individually. Broken tensile specimens may be used for obtaining samples. 4.5.1.1 Samples for chemical analysis may be waived at the discretion of the procuring activity provided that all of the material under inspection can be identified 8s being made from a heat previou

33、sly analyzed and found to be in conformance with the chemical composition specified herein. - 4.5.1.2 The method of selecting samples specified above is based on the assumption that the material is produced from ingots from the same heat at one time and is essentially homogeneous in all respects. If

34、 the material is taken from stock and is not identifiable as to heat and method of manufacture, and if the identity of any portion-of the shipment is obscure in any respect, the procuring activity shall select the necessary additional samples to determine conformance of all protions of the shipment

35、to this specification. 4.5.2 Method. Analysis shall be by wet chemical, spectrochemical, or other analytic methods. In the event of dispute, analysis shall be by wet chemical methods. 4.6 Tensile test. * 4.6.1 Sampling. Sampling shall be in accordance with MIL-STD-105, AQL = 1.5 percent defective, S

36、pecial Inspection Level S-4. unit shall be one length of tubing. The sample 7 o Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6.2 Ordering data, Procu

37、rement documents should specify: (a) Title, number, and date of this specification. (b) Type, shape, diameter, wall thickness, physical condition, and length (when exact lengths are required) (see 3.4.3). (c) Level of packaging and packing (see 5.1), * 6.3 Identification of changes. The margins of t

38、his specification are marked with an asterisk to indicate where changes (additions, modifications, corrections, deletions) from the previous issue were made, This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and co

39、ntractors are cautioned to evaluate the requirements of this specification based on the entire content irrespective of the marginal notations and relationship to the latest previous issue. custodians: Navy - AS Air Force - 11 Reviewers: Air Force - 13, 82 Preparing activity : Air Force - 11 Project No. 4710-0285 Users : Navy- SH,AS , OS U. S. GOVERNMENT PRINTING OFFICE: 1973.713-144/410 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-