NAVY MIL-T-1368 C-1965 TUBE AND PIPE NICKEL-COPPER ALLOY SEAMLESS AND WELDED《铜镍合金无缝焊接管》.pdf
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1、MILITARY SPECIFICATION TUBE AND PIPE, NICKEL-COPPER ALLOY, SEAMLESS AND WELDED This specification is mandatory for use by all Departmento and Agencies of the Department of Defenoe. 1. SCOPE - flIL-T-13b8C 97 m 997990b 0270287 8 u Ma-T-1368C 2 June 1965 SUPERSEDING MIL-T- 13684 18 March 1958 1.1 Scop
2、e. This specification covers tube and pipe for use where the strength and corrosion resistance of nickel-copper alloy (wonel) are required. 1.2 Classification. Tube and pipe covered by this specification shall be of the following classer, as specified (see 6.2) : Class A - Seamlees, Cold Dram, Annea
3、led. Class B - Seamless, Cold Drawn, Stress Relieved. Class C - Welded, Annealed. Class D - Welded, Stress Relieved. 1.3 Pipe. Sizes of cold-dram, seamlese, nickel-copper-alloy pipe coamercially available shown in 6.5 are for information only. When other schedules or wall thicknerrer are required th
4、e manufacturer should be conoultcd. 2.1 The following documentr, of the issue in effect on date of invitation for bid8 or request for proposal form a part of this rpeci- ficatioa to the extent rpecified herein. SPECIFICATION Militarp MIL-C-3993 - Copper and Copper-Base Alloy WllProductr Packaging of
5、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-1368C STANDARDS Federal Federal Test Method Standard No. 151 - Metals; Test Methods FED-STD-182 - Continuous Identification Marking of Nickel and Nickel Base Alloys Military MIL-STD-105 - Samplin
6、g Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage Attributes (Copies of specifications and standards required by suppliers in con- nection with specific procurement functions should be obtained from the procuring agency or as diracted by the contracting officer
7、.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unlere otherwise indicated, the issue in effect on date of invitation for bids or re- quest for proporal shall apply. American Society for Teeting and Materials (ASTl4) E190-64 - Guid
8、ed Rend Test, for Ductility of Welds (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pa. 19103.) Official Classification Ctnmnittee Uniform Freight Clasrification Rule8 (Application for copies should be addresred to the O
9、fficial Class- ification Committee, 1 Park Avenue at 33rd Street, New York, N.Y. 10016.) 3.1 Material. The material ured in the fabrication of the tube and pipe shall be such. as to produce itear that are in full conformance with chemical and physical requirements of this specification. 2 Provided b
10、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-13bBC 47 9999906 0270289 L 3.2 Chmical requirementr. All tube and pipe shall conform to the chemical requirements of table I. Table I. Caporition 3.3 Mechanical properties. All tube and pipe shall conform t
11、o the mechanical properties rhm in the following table II: Table II. Mechanical Propertier Condition Tensile Yield Strength at 0.2 Strength Percent Offret or at Elongation Per Extension Indicated Wn. 1 in 2 in. Square EXten8i0n (Min-) Inch Per Square Under Load (Min. ) Inch in 2 Inche8 POUd8 Pound8
12、Inch Percent Claases A ad C Annealed 5 inch and smaller outside diame ter 70, O00 28,000 O. 0062 35 Over 5 inch outside diame ter 70, O00 25,000 o. 0059 35 Classes B and D S trers relieved All sizes 85,000 55, O00 O. 0082 15 3 Provided by IHSNot for ResaleNo reproduction or networking permitted with
13、out license from IHS-,-,-MIL-T-1368C 3.4 Physical proper ties. 3.4.1 Tensile strength. Tube or pipe, when tested in accordance with 4.3.3 and 4.5.1, shall meet the applicable mechanical properties in table II. 3.4.2 Flattening (Class A only). Tube or pipe of class A, having an outside diameter at le
14、ast 3 inches, shall show no injurious de- fects on any surface after flattening and opening of the flattened section as specified in 4.5.2. 3.4.3 Bending (Class C only). Class C tube or pipe shall show no cracks or openings when bent as specified in 4.5.3. 3.4.4 Flaring (Class A and Class C only). C
15、lass A an class C tube or pipe, having an outside diameter of 3 inches or less, shall show no evidence of fracture when tested as specified in 4.5.4. 3.4.5 Hydrostatic test pressure. Each tube or pipe shall with- stand an internal hydrostatic test of 1,000 pounds per square inch (p.soi.) without wee
16、page, leakage, or drop in gage pressure, provided that the fibre stress calculated by the following formula does not exceed the allowable fibre stress S indicated below: 2ST P=b where P - S- Hydrostatic tert pressure, p. I. i. Allowable fibre stress for material in the condition furnished, as follow
17、s: Allowable fibre Class stress-S A 6 C - Annealed: 5 inch outside diameter and smaller 17,500 over 5 inch outside diameter 16,700 B equal to the rpecified “average“ wall minus the permissible “minus“ wall tolerance, sham in table III, or the specified minimm wall thicknerr. D = Outside dfameter of
18、tube or pipe in inches. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-136% Table III. Permissible variations - outside and inside diameter and wall thickness (average wall). Specified Outside Diameter or Permissible Variationa Calculated Na
19、arinal Outside Outside Diaou gr Wall Thickness, Diameter, inch. (When Ordered Inside Dia. a, to Inside Diameter and Average inch percent Wall) Plus Hinue Plue Minus .400 and under o. O04 O 10 10 Over 0.400 to 5/8, excl. 0.005 Od 12.5 12. 5 5/8 to 1-1/2, incl. O. 005 0.005 10 10 Over 1-1/2 to 4-1/2,
20、incl. o. O10 0.010 10 10 Over 4-1/2 to 6, incl. O. 015 0.015 12.5 12.5 Over 6 to 7-1/2, incl. o. 020 0.020 12.5 12.5 Over 7-1/2 to 8-5/8, incl. O. 025 0.025 12.5 12. 5 %he permissible variations in the above table apply to individual neasurements, including out-of-roundness (ovality), except for the
21、 following conditions: ,rnin-fdall Tube and Pipe. For thin-wall tube and pipe having a norninal uall thickness of 3 percent or less of the nominal outside diameter, in all conditions (temper), the nean outside diameter or mean inside diame- ter shall conform to the permissible variations of the abov
22、e table and individual measurements (including ovallty) shall conform to the plus and ninus values of the table, with the values increased by 0.5 percent of the nominal outside diameter. annealed tube and pipe over 4-li2 inches in noudnal outside diameter with a nominal wall thickness Zreater than 3
23、 percent of the nomInal outside diameter, the mean outside diameter or mean inside diameter shall conform to the perrnissible variations of the above table and Individual measure- ments shall not exceed twice the permissible variations of the above table. Annealed Tube and Pipe over 4-1/2 inch in No
24、ninal Outside Dimeter. For bFor tube and pipe, in all tempers, with an Inside diameter of less than 1/2 inch which cannot be successfully drawn over a mandrel, the inside diameter shall be governed by the outside diaxeter and the wall thickness variations. For tube and pipe in all tempers with an in
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