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    SAE AMS 2261K-2012 Tolerances Nickel Nickel Alloy and Cobalt Alloy Bars Rods and Wire《镍、镍合金和钴合金条材、棒材及线材的公差》.pdf

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    SAE AMS 2261K-2012 Tolerances Nickel Nickel Alloy and Cobalt Alloy Bars Rods and Wire《镍、镍合金和钴合金条材、棒材及线材的公差》.pdf

    1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there

    2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2012 SAE International All rights reserved. No part of this publication m

    3、ay be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside U

    4、SA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS2261K AEROSPACE MATERIAL SPECIFICATION AMS2261 REV. K Issued 1948-05 Revised 2012-10 Super

    5、seding AMS2261J Tolerances Nickel, Nickel Alloy, and Cobalt Alloy Bars, Rods, and Wire RATIONALE AMS2261K results from a Limited Scope Ballot to correct errors in paragraph references for Out of Roundness (7.1). 1. SCOPE 1.1 Form This specification covers established manufacturing tolerances applica

    6、ble to bars, rods, and wire of nickel, nickel alloy, and cobalt alloys ordered to inch-pound dimensions. These tolerances apply to all conditions, unless otherwise noted. The term “excl“ is used to apply only to the higher figure of a specified range. 1.2 Where the terms “nickel”, “nickel-copper”, “

    7、nickel-chromium”, “nickel-molybdenum”, “nickel-molybdenum-chromium”, and “cobalt” are used without qualification, they refer to both non-heat-treatable and heat-treatable alloys as applicable, unless otherwise noted. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date

    8、of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the las

    9、t published issue of that document shall apply. 2.1 References There are no referenced publications specified herein. 3. DIAMETER OR THICKNESS AND WIDTH Specified dimensions apply to diameter of rounds, to distance between parallel sides of hexagons and squares, and separately to width and thickness

    10、 of rectangles. 3.1 Cold Finished 3.1.1 Cold Drawn Nickel and Nickel-Copper Alloys SAE AMS2261K Page 2 of 10 3.1.1.1 Rounds Shall be as shown in Table 1. TABLE 1A - TOLERANCES, DIAMETER, INCH/POUND UNITS Specified Diameters Inches Tolerance, Inch Minus Only 0.062 to 0.188, excl 0.002 0.188 to 0.500,

    11、 excl 0.003 0.500 to 0.938, incl 0.002 Over 0.938 to 1.938, incl 0.003 Over 1.938 to 2.500, incl 0.004 Over 2.500 to 3.000, incl 0.005 Over 3.000 to 3.500, incl 0.006 Over 3.500 to 4.000, incl 0.007 TABLE 1B - TOLERANCES, DIAMETER, SI UNITS Specified Diameters Millimeters Tolerance, Millimeter Minus

    12、 Only 1.57 to 4.78, excl 0.05 4.78 to 12.70, excl 0.08 12.70 to 23.83, incl 0.05 Over 23.83 to 49.22, incl 0.08 Over 49.22 to 63.50, incl 0.10 Over 63.50 to 76.20, incl 0.13 Over 76.20 to 88.90, incl 0.15 Over 88.90 to 101.60, incl 0.18 3.1.1.2 Hexagons, Squares, and Rectangles Shall be as shown in

    13、Table 2. TABLE 2A - TOLERANCES, DIAMETER, INCH/POUND UNITS Specified Distance Between Parallel Sides Inches Tolerance, Inch Minus Only 0.062 to 0.188, excl 0.002 0.188 to 0.938, incl 0.003 Over 0.938 to 1.500, incl 0.004 Over 1.500 to 2.500, incl 0.005 Over 2.500 to 2.750, incl 0.006 Over 2.750 to 4

    14、.000, incl 0.007 SAE AMS2261K Page 3 of 10 TABLE 2B - TOLERANCES, DIAMETER, SI UNITS Specified Distance Between Parallel Sides Millimeters Tolerance, Millimeter Minus Only 1.57 to 4.78, excl 0.05 4.78 to 23.83, incl 0.08 Over 23.83 to 38.10, incl 0.10 Over 38.10 to 63.50, incl 0.13 Over 63.50 to 69.

    15、85, incl 0.15 Over 69.85 to 101.60, incl 0.18 3.1.2 Cold Drawn Nickel-Chromium Alloys The tolerances of Table 3 and Table 4 do not apply to heat-treatable nickel-chromium alloys 0.500 inch (12.70 mm) and over in specified dimensions. 3.1.2.1 Rounds TABLE 3A - TOLERANCES, DIAMETER, INCH/POUND UNITS S

    16、pecified Diameters Inches Tolerance, Inch Plus Tolerance, Inch Minus 0.062 to 0.188, excl 0.000 0.002 0.188 to 0.500, excl 0.000 0.003 0.500 to 0.938, incl 0.001 0.002 Over 0.938 to 1.938, incl 0.0015 0.003 Over 1.938 to 2.500, incl 0.002 0.004 TABLE 3B - TOLERANCES, DIAMETER, SI UNITS Specified Dia

    17、meters Millimeters Tolerance, Millimeter Plus Tolerance, Millimeter Minus 1.57 to 4.78, excl 0.00 0.05 4.78 to 12.70, excl 0.00 0.08 12.70 to 23.83, incl 0.03 0.05 Over 23.83 to 49.23, incl 0.04 0.08 Over 49.23 to 63.50, incl 0.05 0.10 3.1.2.2 Hexagons, Squares, and Rectangles TABLE 4A - TOLERANCES,

    18、 DIAMETER, INCH/POUND UNITS Specified Distance Between Parallel Sides Inch Tolerance, Inch Minus Only 0.062 to 0.188, excl 0.002 0.188 to 0.500, incl 0.003 SAE AMS2261K Page 4 of 10 TABLE 4B - TOLERANCES, DIAMETER, SI UNITS Specified Distance Between Parallel Sides Millimeters Tolerance, Millimeter

    19、Minus Only 1.57 to 4.78, excl 0.05 4.78 to 12.70, incl 0.08 3.1.3 Cold Reduced Nickel-Cobalt-Chromium Alloys 3.1.3.1 Rounds TABLE 5A - COLD REDUCED DIAMETER, INCH/POUND UNITS Specified Diameters Inches Tolerance, Inch Plus Tolerance, Inch Out of Round Minus Inch 0.210 to 0.499 0.002 0.002 0.002 0.50

    20、0 to 0.999 0.0025 0.0025 0.0025 1.000 to 2.000 0.003 0.003 0.003 2.001 to 2.500 0.030 0.000 0.015 TABLE 5B - COLD REDUCED DIAMETER, SI UNITS Specified Diameters Millimeters Tolerance, Millimeters, Plus Tolerance, Millimeters Out of Round Minus Millimeters 5.33 to 12.67 0.05 0.05 0.05 12.70 to 25.37

    21、0.06 0.06 0.06 25.40 to 50.80 0.08 0.08 0.08 50.83 to 63.50 0.76 0.00 0.38 3.1.4 Machined Round Bars Tolerances for machined bars 0.375 inch (9.53 mm) and over in specified diameter or thickness are shown in Table 6. Bars up to 0.375 inch (9.53 mm), exclusive, in specified diameter or thickness are

    22、commonly supplied centerless ground. TABLE 6A - TOLERANCES, MACHINED BARS, INCH/POUND UNITS Specified Diameter or Thickness Inches Tolerance plus only Inch Out of Round Inch 0.375 to 2.000, incl 0.016 0.008 Over 2.000 to 4.000, incl 0.031 0.016 Over 4.000 0.031 0.016 TABLE 6B - TOLERANCES, MACHINED

    23、BARS, SI UNITS Specified Diameter or Thickness Millimeters Tolerance plus only Millimeter Out of Round Millimeter 9.53 to 50.8, incl 0.41 0.20 Over 50.8 to 101.6, incl 0.79 0.41 Over 101.6 0.79 0.41 SAE AMS2261K Page 5 of 10 3.1.5 Centerless Ground or Polished Round Bars Tolerances for centerless gr

    24、ound bars 0.125 to 4.062 inches (3.18 to 103.17 mm), inclusive, in specified diameter are shown in Table 7. Bars over 4.062 inches (103.17 mm) specified diameter are commonly supplied machined. TABLE 7A - TOLERANCES, CENTERLESS-GROUND OR POLISHED BARS, INCH/POUND UNITS Specified Diameter Inches Tole

    25、rance plus or minus Inch Out of Round Inch 0.125 to 0.3125, excl 0.001 0.001 0.3125 to 0.500, excl 0.0015 0.0015 0.500 to 1.000, excl 0.002 0.002 1.000 to 1.500, incl 0.0025 0.0025 Over 1.500 to 3.250, incl 0.003 0.003 Over 3.250 to 4.062 0.005 0.005 TABLE 7B - TOLERANCES, CENTERLESS-GROUND OR POLIS

    26、HED BARS, SI UNITS Specified Diameter Millimeters Tolerance plus or minus Millimeters Out of Round Millimeters 3.18 to 7.94, excl 0.03 0.03 7.94 to 12.7, excl 0.04 0.04 12.7 to 25.4, excl 0.05 0.05 25.4 to 38.1, incl 0.06 0.06 Over 38.1 to 82.6, incl 0.08 0.08 Over 82.6 to 103.2 0.13 0.13 3.1.6 Prec

    27、ision Ground and Precision Polished Round Bars Shall be as shown in Table 8. TABLE 8A - TOLERANCES, PRECISION GROUND AND PRECISION POLISHED ROUNDS, INCH/POUND UNITS Specified Diameter Inches Tolerance Inch Minus only Up to 1.500, incl 0.001 Over 1.500 to 2.500, excl 0.0015 2.500 to 3.000, incl 0.002

    28、 Over 3.000 to 4.000, incl 0.003 TABLE 8B - TOLERANCES, PRECISION GROUND AND PRECISION POLISHED BARS, SI UNITS Specified Diameter Millimeters Tolerance Millimeters Minus only Up to 38.1, incl 0.03 Over 38.1 to 63.5, excl 0.04 63.5 to 76.2, incl 0.05 Over 76.2 to 101.6, incl 0.08 SAE AMS2261K Page 6

    29、of 10 3.2 Hot Finished 3.2.1 Nickel, Nickel-Copper, and Nickel-Chromium Alloys 3.2.1.1 Rounds, Hexagons, Squares, and Rectangles The tolerances of Table 9 are not applicable to heat-treatable nickel-chromium alloy rounds and hexagons, hot-rolled sections over 4 inches (101.6 mm), or forged sections

    30、of all sizes. See Tables 6 or 7, as applicable, for tolerances of heat-treatable nickel-chromium alloy rounds. TABLE 9A - TOLERANCES, DIAMETER, INCH/POUND UNITS Specified Dimensions Inches Tolerance, Inch Plus Tolerance, Inch Minus Up to 1.0, incl 0.016 0.016 Over 1.0 to 2.0, incl 0.031 0.016 Over 2

    31、.0 to 4.0, incl 0.047 0.031 Over 4.0 0.125 0.063 TABLE 9B - TOLERANCES, DIAMETER, SI UNITS Specified Dimensions Millimeters Tolerance, Millimeter Plus Tolerance, Millimeter Minus Up to 25.4, incl 0.41 0.41 Over 25.4 to 50.8, incl 0.79 0.41 Over 50.8 to 101.6, incl 1.19 0.79 Over 101.6 3.18 1.60 3.2.

    32、2 Nickel-Molybdenum, Nickel-Molybdenum-Chromium, and Cobalt Alloys 3.2.2.1 Rounds Shall be as shown in Table 10. Larger diameters are ground or turned. Refer to Tables 6 or 7, as applicable. TABLE 10A - TOLERANCES, DIAMETER, INCH/POUND UNITS Specified Diameter Inches Tolerance, Inch Plus Tolerance,

    33、Inch Minus 0.312 to 0.438, incl 0.012 0.012 Over 0.438 to 0.625, incl 0.014 0.014 Over 0.625 to 0.750, excl 0.016 0.016 TABLE 10B - TOLERANCES, DIAMETER, SI UNITS Specified Diameter Millimeters Tolerance, Millimeter Plus Tolerance, Millimeter Minus 7.92 to 11.13, incl 0.30 0.30 Over 11.13 to 15.88,

    34、incl 0.36 0.36 Over 15.88 to 19.05, excl 0.41 0.41 3.2.2.2 Thickness of Squares and Rectangles Tolerances shown in Table 11 for lengths over 90 inches (2286 mm) apply to all rectangles having a width greater than 3 times the thickness, regardless of length, and to all vacuum melted alloys regardless

    35、 of length. SAE AMS2261K Page 7 of 10 TABLE 11A - TOLERANCES, DIAMETER, INCH/POUND UNITS Specified Thickness Inches Specified Width Inches Thickness Tolerance, Inch, for Lengths of 90 Inches and Under Plus Thickness Tolerance, Inch, for Lengths of 90 Inches and Under Minus Thickness Tolerance, Inch,

    36、 for Lengths of Over 90 Inches Plus Thickness Tolerance, Inch, for Lengths of Over 90 Inches Minus 0.750 to 1.500, incl 0.750 to 6.000, incl 0.031 0.031 0.125 0.063 Over 1.500 to 3.000, incl Over 1.500 to 6.000, incl 0.125 0.063 0.125 0.063 Over 3.000 Over 3.000 0.250 0.000 0.250 0.000 TABLE 11B - T

    37、OLERANCES, DIAMETER, SI UNITS Specified Thickness Millimeters Specified Width Millimeters Thickness Tolerance, Millimeter, for Lengths of 2286 mm and Under Plus Thickness Tolerance, Millimeter, for Lengths of 2286 mm and Under Minus Thickness Tolerance, Millimeter, for Lengths of Over 2286 mm Plus T

    38、hickness Tolerance, Millimeter, for Lengths of Over 2286 mm Minus 19.05 to 38.10, incl 19.05 to 152.40, incl 0.79 0.79 3.18 1.60 Over 38.10 to 76.20, incl Over 38.10 to 152.40, incl 3.18 1.60 3.18 1.60 Over 76.20 Over 76.20 6.35 0.00 6.35 0.00 3.2.2.3 Width of Rectangles Tolerances shown in Table 12

    39、 for lengths over 90 inches (2286 mm) apply to all rectangles having a width greater than 3 times the thickness, regardless of length, and to all vacuum melted alloys regardless of length. TABLE 12A - TOLERANCES, DIAMETER, INCH/POUND UNITS Specified Width Inches Specified Thickness Inches Width Tole

    40、rance, Inch, for Lengths of 90 Inches and Under Plus Width Tolerance, Inch, for Lengths of 90 Inches and Under Minus Width Tolerance, Inch, for Lengths of Over 90 Inches Plus Width Tolerance, Inch, for Lengths of Over 90 Inches Minus 0.750 to 3.500, incl 0.750 to 1.500, incl 0.031 0.031 0.125 0.063

    41、Over 3.500 to 6.000, incl 0.750 to 1.500, incl 0.125 0.063 0.125 0.063 Over 1.500 to 6.000, incl Over 1.500 to 3.000, incl 0.125 0.063 0.125 0.063 Over 3.000 Over 3.000 0.250 0.000 0.250 0.000 SAE AMS2261K Page 8 of 10 TABLE 12B - TOLERANCES, DIAMETER, SI UNITS Specified Width Millimeters Specified

    42、Thickness Millimeters Width Tolerance, Millimeter, for Lengths of 2286 mm and Under Plus Width Tolerance, Millimeter, for Lengths of 2286 mm and Under Minus Width Tolerance, Millimeter, for Lengths of Over 2286 mm Plus Width Tolerance, Millimeter, for Lengths of Over 2286 mm Minus 19.05 to 88.90, in

    43、cl 19.05 to 38.10, incl 0.79 0.79 3.18 1.60 Over 88.90 to 152.40, incl 19.05 to 38.10, incl 3.18 1.60 3.18 1.60 Over 38.10 to 152.40, incl Over 38.10 to 76.20, incl 3.18 1.60 3.18 1.60 Over 76.20 Over 76.20 6.35 0.00 6.35 0.00 4. LENGTH 4.1 Nickel, Nickel-Copper, and Nickel-Chromium Alloys Definite

    44、lengths shall vary not more than +0.125 inch (3.175 mm), -0 for sizes 8 inches (203 mm) and under in specified diameter or distance between parallel sides, and not more than +0.250 inch (6.35 mm), -0 for larger sizes. 4.2 Nickel-Molybdenum, Nickel-Molybdenum-Chromium, and Cobalt Alloys Definite leng

    45、ths shall vary not more than +0.063 inch (1.60 mm), -0 for rounds 2 inches (50.80 mm) and under in specified diameter, and not more than +0.125 inch (3.175 mm), -0 for larger rounds and for all sizes of squares and rectangles. 5. STRAIGHTNESS Shall be as shown in Table 13. TABLE 13A - TOLERANCES, ST

    46、RAIGHTNESS, INCH/POUND UNITS Alloys Condition, Form, and Size Maximum Curvature, Inch, (Depth of Chord) in Any Foot of Length Ni-Co-Cr, Ni-Cr-Mo-Cb, Cr-Ni-Mo-Ti Unaged Aged COLD WORKED TO ENHANCE PROPERTIES Rounds, all sizes Rounds, all sizes 0.0125 0.025 COLD REDUCED Ni, Ni-Cu Rounds, all sizes 0.0

    47、06 Ni-Cr (Non-Heat Treatable) Rounds, all sizes 0.009 Ni-Cr (Heat Treatable) All Forms, under 1/2 inch 0.009 Ni, Ni-Cu Hexagons, squares, rectangles, all sizes 0.025 HOT FINISHED Ni, Ni-Cu, Ni-Cr All forms, all sizes 0.050 Ni-Mo, Ni-Mo-Cr, and Co Rounds, all sizes Squares and rectangles, all sizes 0

    48、.025 0.050 HOT FINISHED, GROUND OR TURNED Ni, Ni-Cu, Ni-Cr Rounds, all sizes 0.025 SAE AMS2261K Page 9 of 10 TABLE 13B - TOLERANCES, STRAIGHTNESS, SI UNITS Alloys Condition, Form, and Size Maximum Curvature, Millimeter, (Depth of Chord) in Any Foot of Length Ni-Co-Cr, Ni-Cr-Mo-Cb, Cr-Ni-Mo-Ti Unaged Aged COLD WORKED TO ENHANCE PROPERTIES Rounds, all sizes Rounds, all sizes 0.32 0.64 COLD REDUCED Ni, Ni-Cu Rounds, all sizes 0.152 Ni-Cr (Non-Heat Treatable) Rounds, all sizes 0.229 Ni-Cr (Heat Treatable) All Forms, under 12.7 mm 0.229 Ni, Ni-Cu Hexagons, squares, rectangles, all si


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