1、QQ-N-ZBLD 75 W 7377774 0007423 L OQ-N-281D gust 26, 1974 SUPERSEDING Int. Fed. Spec. QQ-NO02RlC (NAVY-Ships) April 10, 1967, and Fed. Spec. QQ-N-281b October 31, 1966 (See 6.6) FEDERAL SPECIFICATION NICKEL-COPPER ALLOY BAR, ROD, PLATE, SHEET, STRIP, WIRE, FORGINGS, AND STRUC- TURAL AND SPECIAL SHAPE
2、D SECTIONS This specification was approved by the commissioner, Federal Supply Services, General Services Administration, for use of all Federal agencies. 1. SCOPE AND CLASSIFICATION i 1.1 Scope. This.specification covers niqkel-copper alloy for applications requiring comparatively high strength and
3、 resistance tg corrosion. i 1.2 Classification. Nickel-copper alloy shall be of the following classes, forms, and condit-zef ied (see 6.2) : Class A. Form 1 - Bar and rod. Condition: Cold drawn (stress relieved). Hot finished (as hot finished or stress relieved). Hot finished, high tensile (stress r
4、elieved). Annealed (hot finished or cold drawn). Forging quality. Form 2 - Forged parts. Condition: Hot finished (as forged or stress relieved). Forged, high tensile (stress relieved). Hot finished, annealed. Form 3 - Shaues. Conditibn : Form 4 - Sheet. Condition : Form 5 - Strip. Condition: Form 6
5、- Plate. Condition: Form 7 - Wire. Condition: Annealed. Hot finished. Cold rolled or cold drawn. Cold rolled (annealed). Cold rolled (as rolled). Hot finished (annealed). Cold rolled (annealed). Cold rolled (quarter hard). Cold rolled (hard, as rolled) . . Cold rolled (full hard spring, as rolled).
6、Hot finished (annealed). Hot finished (as rolled). Cold drawn (annealed). Cold drawn (various tempers). FSC 9535 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-QQ-N-201D Class B. Form 1 - Bar and rod. Condition: fold drawn (as drawn or stress reliev
7、ed). Hot finished (as hot finished or stress relieved). Annealed (hot finished or cold drawn). Form 2 - Wire. Condition: Cold drawn (annealed). Cold drawn (various tempers). 2. APPLICABLE DOCUMENTS i 2.1 The following documents of the issue in effect on date of.invitation for bids or request for pro
8、posal, form a part of the specification to the extent specified herein. FEDERAL STANDARDS : FED-STD-182 - Identification Marking of Nickel and Nickel Base Alloys. FED-STD-151 - Metals; Test Methods. (Activities outside the Federal Government may obtain copies of Federal Specifications and Standards
9、as outlined under General Information in the Index of Federal Specifications monthly supplements as issued, is for sale on a subscription basis by the Superintendent of and Standards and at the prices indicated in the Index. The index, which includes cumulative Documents, U.S. Government Printing Of
10、fice, Washington, D.C., 20402. (siwle copies of this pecification and other Federal Specifications required by activities utSide the FM mmnt for bidding purposes ere availablewithout charge from Business Semice Centere at the (kneral. Sbces Regid Offices in Boston, New York, Washington, x, AtLanfa,
11、chicago, city, FOA worth, mm, sari Francisco, Los Angeles, and Seattle, WAS and the Index of Federal Specifications and Standards from established distribution points in their agencies.) (Federal Government activities may obtain copies of Federal Specifications and Standards MILITARY SPECIFICATION:
12、MIL-P-116 - Preservation, Methods of. MILITARY STANDARDS: MIL-STD-271 - Nondestructive Testing Requirements for Metals. MIL-STD-163 - Steel Mill Products, Preparation for Shipment and Storage. in connection with specific procurement functions should be obtained from the procuring activity or as dire
13、cted by the contracting officer,) the extentGif;ied herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. (Copies of specifications, standards, drawings, and publications required by suppliers 2.2 Other ublications. The following
14、documents form a part of this specification to AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) E-140 - Standard Hardness Conversion Tables for Metals (Relationship Between E-8 - Methods of Tension Testing of Metallic Materials. Brinell Hardness, Vickers Hardness, Rockwell Hardness, Rockwell Super-
15、 ficial Hardness, and Knoop Hardness). (Application for copies should be addressed to the American Society For Testing And (Technical society and technical association specifications and standards are generally Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103.) o available for reference
16、 from libraries. They are also distributed among technical groups and using Federal agencies.) 3. REQUIREMENTS table I. 3.1 Chemical requirements. The material shall conform to the chemical requirements of 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
17、S-,-,-4J Ne4 U class B: bar and rod(contd.). ounds under 1/2 ounds 1/2 to 1, ounds over 1 to incl. exagons and 3, incl. squares 2 and Munds 3 and less Hexagons and squares 2 and less Hexagons and squares over 2 to 4 incl. 11 products and all sizes:/ Yield strength at Yield strength at Tensile or 4 x
18、 diam at extension indicatedl-/ at extension indicatedL/ strength g psi Inches in 1 psi (min) 2 inches Rockwell B (min) Annealed (as rolled) 2 98 min (93 min) Full hard spring 2 (74-89) o. O109 90,000 100,000 (min) Hard (as rolled) 20 0.0075 45,000. 78-85,000 (68 max) auarter hard 35 0.0062 28,000 7
19、0-85,000 “- “ “- “- LNo yield strength requirements for material under 0.020 inch thick, and elongation shall be ;Rockwell B or equivalent hardness, Hardness values are informative only for those condi- ?NO tensile requirements. 30 (min). tions for which tensile requirements are specified. Table V -
20、 Mechanical properties of class A, a hot finished plate. I Tensile Hardness- ElongationlJ Yield strength at 0.2 percent offset or at extension 2/ Condition (thick- nd heavier) esses 3/16 inch strength indicated in 2 inches psi (min) psi (min) Inches in (min) 2 inches Percent Brinell Annealed (125-18
21、0) 25 0.0071 40,000 75,000 As rolled? (110-140) 35 0.0062 28,000 70,000 See footnotes on next page. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Qd-N-ZdLD 95 9797974 O009429 2 W QQ-N-281D yiihen round specimens are used, elongation shall be meas
22、ured in 4 times diameter. YHardness values are for information only and are not to be construed as the basis for acceptance or rejection. If Rockwell readings are made, the following conversion applies: Brinell hardness number Rockwell B 110-140 70-89 125-180 61-77 ASTM E-140. For other hardness coc
23、version values see hardness conversion tables for nickel alloys, AS rolled plate may be stress relieved subsequent to final rolling. Table VI - Mechanical pz Tensile strength Condition P+ (min 1 Annealed .80,000 Cold rolled or cold 75,000 Hot finished 70,000 drawn lperties of class A, shapes. 0.2 pe
24、rcent offset or Elongation Yield strength at at extension in 2 inches indicated I Percent (min) Table VI1 - Mechanical properties of cold drawn Condition and size, icch Classes A and B: Annealed, all sizes No. O temper, under 1/2 No. 1 temper, under 1/2 Regular temper, under 1/2 Regular temper, 1/2
25、and over Spring temper (round wire) Over 0.028 to,0.057, incl. 0.028 diameter and less Over 0.057 to 0.114, incl. Over 0.114 to 0.312, incl. Over 0.312 to 0.375, incl. Over 0.375 to 0.500, incl. Over 0.500 to 0.563, incl. Class A (only) I r wire in coil- 1/ Tensile strength psi r (min) 70,000 80,000
26、 90,000 110,000 90,000 165,000 160,000 150,000 140,000 135,000 130,000 120,000 (max) 85,000 95,000 110,000 140,000 130 ,000 “_ “_ “_ “_ “_ “_ “_ Wrapping test All wire shall wrap around a rod of the same diameter as the wire without cracking. ll wire up to 0.2294 inch, inclusive, shall wrap around a
27、 rod of the same diameter as the wire without cracking. Wire over 0.2294 inch diameter shall wrap around a rod of twice the wire diameter without cracking. /Properties are not ppplicable to wire after straightening and cutting. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted w
28、ithout license from IHS-,-,-QQ-N-281D Table VI11 - Grain size and hardness for cold rolled, deep drawing, and spinning quality sheet and strip. Thickness, inch 1 Mm , Inch I Grain size ASTM micro- Rockwell B (max) grain size hardness number (max) Sheet (56 inches wide and less) _ - 0.050 and less 68
29、 3.5 * 0.0043 0.110 Over 0.050 to 0.250, 68 4.5 0.0030 0.075 incl. I Over 0.024 to 0.125, 0.075 0.0030 incl. I I I. 4*5 I sheet and strpdcfkdhrements of table VIII. 3.4 Deep drawin or s innin ualit . Class A “deep drawing“ and “spinning quality“ forged shapes shall pdb or plus 0.0025 inch, minus 0.0
30、025 inch when so specified. Yspt grinding is permitted to remove minor surface defects. bar at any point by more than 3 percent of the diameter. Such spot-ground areas shall not reduce the diameter of the more than one-half the total permissible variation in diameter specified in table XIII. angles
31、consistent with commercial practice unless otherwise specified (see 6.2). 3.8.2.3 Round rod in straight lengths, classes A and B, shall not be out-of-round by 3.8.2.4 Square, rectangular, and hexagonal bar and rod shall have sharp corners and 3.8.3 Length-all classes, bar and rod. 3.8.3.1 Bar and ro
32、d of all sizes may be ordered in cut lengths, random lengths, nominal 3.8.3: 2 Unless otherwise specified (see 6.2) , bar and rod shall be furnished in random (stock) lengths, or in multiple lengths as specified (see 6.2). mill lengths with cut or sheared ends. Rod and bar furnished to nominal (stoc
33、k) lengths shall be furnished with either cropped or saw-cut ends, Material ordered to cut lengths shall be furnished with square saw-cut or machined ends. Where rod and bar are ordered in - multiple lengths, 1/4 Ynch will be allowed for each multiple cut unless otherwise specified in the contract o
34、r order, and the rod and bar will have cut ends. conditions, shall be as specified in tables XIV and xV. 3.8.3.3 The permissible variations in lengths of rod and bar , all classes and all 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-QQ-N-28LD 7
35、5 7777774 000743Lt b Table XIV - Permissible variations in length of bar and rod, all classes, all conditions. I Specified length, feet I I Random mill length 14 to 16 16 to 18 12 to 14 10 to 123/ 8 to l0Y Shortest short lengths length ength, feet percentage by weight of acceptable acceptable Maximu
36、m permissible Maximum 6 25 percent under 9 ft 24 ft 16 14 18 ft, 1/2 in 12 100 percent 16 ft or longer 100 percent 12 ft or longer 14 ft, 1/2 in 100 percent 14 ft or longer 16 ft, 1/2 in 10 100 percent 8 ft or longer 10 ft, 1/2 in 8 100 percent 10 ft ,or longer 12 ft, 1/2 in 6 100 percent 6 ft or lo
37、nger 8 ft, 1/2 in 4 100 percent 4 ft or longer 6 ft , 1/2 in Specified 100 percent specified length (see table XV) length (see table XV) J I YNot applicable to smooth forged rod and bar or to hot finished sections weighing over 25 pounds per lineal foot. These items are generally not available in th
38、e range of lengths indicated; short lengths down to 2 feet in lieu of 6 feet may be furnished. /Other nominal lengths with a specified range of not less than 2 feet, with no shorts allowed, may also be furnished. 2For cold drawn rod and bar under 1/2 inch in diameter or distance across flats ordered
39、 to nominal or stock lengths with a 2-foot range, at least 93 percent of such material shall be within the range specified, the balance may be in shorter lengths but in no case shall lengths less than 4 feet be furnished. Table XV - Permissible variations in length of bar machine cut after machine s
40、traightening. Specified size of rounds, squares, hexagons, octagons, and widths of flats, inches Permissible variations in To 3, incl. 1/2 O O 1/2 9 to 12 , incl. 5/16 O O 1/4 6 to 9, incl. 1/4 O O 3/16 3 to 6, incl. 3/16 O O 1/8 L 3.9 Permissible variations, shapes. 3.9.1 The permissible variations
41、 in cross sectional dimensions of shapes shall be as specified (see 6.2 1. ,3.9.2 Unless otheqise specified (see 6.2), shapes shall have commercially sharp corners. 3.9.3 Length. A variation of plus 1/8 inch is permitted on shapes ordered to cut-to- length. 3.10 Permissible variations, plate, sheet,
42、 and strip. 3.10.1 Thickness. The permissible variations in thickness shall be as specified in tables XVI, XVII, and XVIII. 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-QQ-N-ZBLD 75 979777Lt 0009435 8 QQ-N-281D Table xVI - Permissible variation
43、s in thickness of sheet Permissible variationsv in thickness for widths given, inches Specified thickness, inches 0.018 to O Over 0.025 Over 0.034 Over 0.043 Over 0.056 Over 0.070 Over 0.093 Over 0.078 Over 0.109 Over 0.125 Over 0.140 Over 0.171 Over 0.187 Over 0.218 Over 0.234 .025, incl. to 0.034,
44、 incl. to 0.043, incl. to 0.056, incl. to 0.070, incl. to 0.078, incl. to 0.109, incl. to 0.093, incl. to 0.125, incl. to 0.140, incl. to 0.171, incl. to 0.187, incl. to 0.218, incl. to 0.234, incl. to 0.250, incl. Hot-rolled, annealed and pickled Al 1 widths Plus or minus 0.003 0.004 0.005 0.006 0.
45、005 0.007 0.008 o. O09 0.010 0.012 0.014 0.015 0.017 0.018 0.020 Cold rolled 48 and under Over 48 to incl. 60, Plus or minus Plus or 0.002 0.004 0.003 minus 0.003 0.004 0.005 0.004 0.005 0.005 0.006 0.006 0.007 0.007 0.009 0.007 0.008 0.008 0.010 0.008 0,010 0.009 0.012 0.010 0.013 0.011 0.015 0.012
46、 0.016 0.013 0.018 Table XVII - Permissible variations in thickness of cold rolled strip. I I Permissible variations cold rolled sheet are applicable. incl. 0.012 0.012 14 and less Over 0.100 to 0.125,.incl. 0.009 0.009 14 and less Over 0.075 to 0.100, incl. 0.007 0.007 14 and less over 0.125 to 0.2
47、50, incl. 8 and less/ 0.015 0.015 Over 0.125 to 0.250, incl. O 0.125 Over 8 to 14, Slit or sheared edge: . incl, Y Round or square .edge strip: 0.020 to 0.250, incl. 0.005 0.005 3 and less ilwhen so specified, sheet shall be furnished with a toler- ance of plus O with the aboye tolerance on the minu
48、s side or with one-half the above tolerance on the plus side and one-hilf on the minus side. /Available only in straight (random or cut) lengths. 3.10.2.2 Unless otherwise specified (see 6.2), strip shall be furnished with type of edge as follows: IThickness, inches IWidth, inches I Type of edge I 0
49、.125 and less Slit or sheared- Over 8 Over 0.125 slit2/ 8 and less Over 0.125 slitL/ 14 and less 2/ Jin coil or straight (random or cut) lengths. ZI? random or cut straight lengths only. 3.10.3 Length. 3.10.3.1 All sheet and strip in straight lengths ordered cut-to-length shall have a permissible variation of plus 1/8 inch over the specified length. 15 Provided by IHSNot for
