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    SAE AMS 2241S-2016 Tolerances Corrosion and Heat-Resistant Steel Iron Alloy Titanium and Titanium Alloy Bars and Wire.pdf

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    SAE AMS 2241S-2016 Tolerances Corrosion and Heat-Resistant Steel Iron Alloy Titanium and Titanium Alloy Bars and Wire.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 revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2016 SAE International All rights reserved. No part of this p

    3、ublication may 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: +1 724-776-497

    4、0 (outside USA) 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/AMS2241S AEROSPACE MATERIAL SPECIFICATION AMS2241 REV. S Issued 1945-05 Reaffirme

    5、d 2012-10 Revised 2016-01 Superseding AMS2241R Tolerances, Corrosion and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars and Wire RATIONALE AMS2241S revises tolerances for machined bars (2.1.4, Table 3), clarifies the intent of precision ground or precision polished rounds (2.1.6

    6、, Table 5), and is a Five Year Review and update of this specification. 1. SCOPE This specification covers established manufacturing tolerances applicable to corrosion and heat-resistant steel, iron alloy, titanium, and titanium alloy bars and wire. These tolerances apply to all conditions, unless o

    7、therwise noted. The term “excl” is used to apply only to the higher figure of the specified range. 2. DIAMETER, 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 of rectangles. 2.1

    8、Cold Finished 2.1.1 Cold Drawn Rounds, Squares, Hexagons, and Octagons (see 2.1.3) Shall be as shown in Table 1. SAE INTERNATIONAL AMS2241S Page 2 of 11 Table 1A - Tolerances, diameter or thickness, inch/pound units Specified Diameter or Thickness Inches Tolerance, Inch Plus and Minus (see 2.1.1.1)

    9、Rounds Tolerance, Inch Minus Only Squares, Hexagons, and Octagons (see 2.1.1.2) Over 0.500 to 1.000, excl 0.002 0.004 1.000 0.0025 0.004 Over 1.000 to 1.500, excl 0.0025 0.006 1.500 to 2.000, incl 0.003 0.006 Over 2.000 to 3.000, incl 0.003 0.008 Over 3.000 to 4.000, incl 0.003 0.010 Table 1B - Tole

    10、rances, diameter or thickness, SI units Specified Diameter or Thickness Millimeters Tolerance, Millimeter Plus and Minus (see 2.1.1.1) Rounds Tolerance, Millimeter Minus Only Squares, Hexagons, and Octagons (see 2.1.1.2) Over 12.50 to 25.00, excl 0.05 0.10 25.00 0.062 0.10 Over 25.00 to 37.50, excl

    11、0.062 0.15 37.50 to 50.00, incl 0.08 0.15 Over 50.00 to 75.00, incl 0.08 0.20 Over 75.00 to 100.00, incl 0.08 0.25 2.1.1.1 Size tolerances for round bars are plus and minus as shown in Table 1. When required, however, they may be specified all plus and nothing minus, or all minus and nothing plus, o

    12、r any combination of plus and minus, if the total spread in size tolerance for a specified size is not less than the total spread shown in Table 1. 2.1.1.2 For titanium and titanium alloys, the difference among the three measurements of the distance between opposite faces of hexagons shall be not gr

    13、eater than one-half the size tolerance and the difference between the measurements of the distance between opposite faces of octagons shall be not greater than the size tolerance. 2.1.2 Cold Drawn Flats (see 2.1.3) Shall be as shown in Table 2. Table 2A - Tolerances, thickness and width, inch/pound

    14、units Specified Width Inches Thickness Tolerance, Inch Plus and Minus Width Tolerance, Inch Plus and Minus 0.125 to 0.250, incl 0.002 0.004 Over 0.250 to 1.000, incl 0.002 0.002 Over 1.000 to 2.000, incl 0.003 0.003 Over 2.000 to 3.000, incl 0.004 0.004 Over 3.000 to 4.500, incl 0.005 0.005 SAE INTE

    15、RNATIONAL AMS2241S Page 3 of 11 Table 2B - Tolerances, thickness and width, SI units Specified Width Millimeters Thickness Tolerance, Millimeter Plus and Minus Width Tolerance, Millimeter Plus and Minus 3.00 to 6.00, incl 0.05 0.10 Over 6.00 to 25.00, incl 0.05 0.05 Over 25.00 to 50.00, incl 0.08 0.

    16、08 Over 50.00 to 75.00, incl 0.10 0.10 Over 75.00 to 115.00, incl 0.12 0.12 If cold drawn bars are ordered heat treated or heat treated and pickled after cold finishing, tolerances shall be double those of Table 1 and Table 2. 2.1.3 Machined or Turned Bars 2.1.3.1 Rounds Tolerances for machined or t

    17、urned round bars 0.375 inch (9.53 mm) and over in specified diameter or thickness are shown in Table 3. Bars up to 0.375 inch (9.53 mm), exclusive, in specified diameter or thickness are commonly supplied centerless ground. Table 3A - Tolerances, machined or turned bars, inch/pound units Specified D

    18、iameter or Thickness Inches Tolerance plus only Inch Out of Round Inch Over 0.375 to 2.000, incl 0.016 0.008 Over 2.000 to 4.000, incl 0.031 0.016 Over 4.000 to 4.500, incl Over 4.500 to 5.500, incl Over 5.500 to 6.500, incl Over 6.500 to 8.000, incl Over 8.000 to 12.000, incl Over 12.000 to 15.000,

    19、 incl Over 15.000 to 25.000, incl 0.062 0.078 0.125 0.156 0.187 0.219 0.250 0.046 0.058 0.070 0.085 0.094 0.109 0.125 Table 3B - Tolerances, machined or turned bars, SI units Specified Diameter or Thickness Millimeters Tolerance plus only Millimeter Out of Round Millimeter Over 9.525 to 50.80, incl

    20、0.406 0.203 Over 50.80 to 101.6, incl 0.787 0.406 Over 101.6 to 115.0, incl Over 115.0 to 140.0, incl Over 140.0 to 165.0, incl Over 165.0 to 200.0, incl Over 200.0 to 300.0, incl Over 300.0 to 400.0, incl Over 400.0 to 625.0, incl 1.600 2.000 3.000 4.000 4.800 5.500 6.500 1.200 1.500 1.800 2.200 2.

    21、400 2.800 3.200 SAE INTERNATIONAL AMS2241S Page 4 of 11 2.1.3.2 Flats Tolerances for machined flat bars shall be as agreed upon by purchaser and producer. 2.1.4 Centerless Ground or Polished Round Bars Tolerances for centerless ground or polished bars 0.125 to 4.062 inches (3.18 to 103.17 mm), inclu

    22、sive, in specified diameter are shown in Table 4. Bars over 4.062 inches (103.17 mm) specified diameter are commonly supplied machined. Table 4A - Tolerances, centerless-ground or polished bars, inch/pound units Specified Diameter Inches Tolerance plus or minus Inch Out of Round Inch 0.125 to 0.3125

    23、, 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 4B - Tolerances, centerless-ground or polished bars, SI units Specified Diameter Millimeters Toleranc

    24、e plus or minus Millimeter Out of Round Millimeter 3.175 to 7.938 , excl 0.025 0.025 7.938 to 12.70, excl 0.038 0.038 12.70 to 25.40, excl 0.051 0.051 25.40 to 38.10, incl 0.064 0.064 Over 38.10 to 82.55, incl 0.076 0.076 Over 82.55 to 103.2 0.127 0.127 2.1.5 Precision Ground or Precision Polished R

    25、ound Bars Shall be as shown in Table 5. Table 5A - Tolerances, precision ground or 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 Over 2.500 to 3.000, incl 0.002 Over 3.000 to 4.000, incl 0.003

    26、Table 5B - Tolerances, precision ground or precision polished rounds, SI units Specified Diameter Millimeters Tolerance Millimeter 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 INTERNATIONAL AMS2241S Page 5 of 11 2.2 Cold Draw

    27、n Wire 2.2.1 Rounds, Squares, Hexagons, and Octagons (see 2.2.1.1) Shall be as shown in Table 6. Table 6A - Tolerances, diameter or thickness, inch/pound units Specified Diameter or Thickness Inch Tolerance, Inch Plus and Minus Rounds and Squares Tolerance, Inch Minus Only Hexagons and Octagons (see

    28、 2.2.1.3) 0.003 to 0.0048, excl 0.0001 - 0.0048 to 0.008, excl 0.0002 - 0.008 to 0.012, excl 0.0003 - 0.012 to 0.024, excl 0.0004 (see 2.2.1.2) - 0.024 to 0.033, excl 0.0005 (see 2.2.1.2) - 0.033 to 0.044, excl 0.0008 - 0.044 to 0.125, excl 0.001 - 0.125 to 0.3125, excl 0.001 0.002 0.3125 to 0.500,

    29、excl 0.0015 0.003 0.500 0.002 0.004 Table 6B - Tolerances, diameter or thickness, SI units Specified Diameter or Thickness Millimeters Tolerance, Millimeter Plus and Minus Rounds and Squares Tolerance, Millimeter Minus Only Hexagons and Octagons (see 2.2.1.3) 0.08 to 0.12, excl 0.002 - 0.12 to 0.20,

    30、 excl 0.005 - 0.20 to 0.30, excl 0.008 - 0.30 to 0.60, excl 0.010 (see 2.2.1.2) - 0.60 to 0.85, excl 0.012 (see 2.2.1.2) - 0.85 to 1.10, excl 0.020 - 1.10 to 3.15, excl 0.02 - 3.15 to 7.80, excl 0.02 0.05 7.80 to 12.50, excl 0.038 0.08 12.50 0.05 0.10 2.2.1.1 If cold drawn wire is ordered heat treat

    31、ed or heat treated and pickled after cold finishing, tolerances shall be double those of Table 6 for nominal sizes 0.024 inch (0.60 mm) and over. 2.2.1.2 For titanium and titanium alloys, tolerances for these sizes are 0.00075 inch (0.019 mm). 2.2.1.3 For titanium and titanium alloys, the difference

    32、 among the three measurements of the distance between opposite faces of hexagons shall be not greater than one-half the size tolerance, and the difference among the four measurements of the distance between opposite faces of octagons shall be not greater than one-half the size tolerance. 2.2.1.4 Out

    33、-of-Round Round wire shall not be out-of-round by more than one-half of the total tolerance shown in Table 6. SAE INTERNATIONAL AMS2241S Page 6 of 11 2.2.2 Flats Shall be as shown in Table 7. Table 7A - Tolerances, thickness, inch/pound units Specified Thickness Inch Tolerance, Inch Plus and Minus U

    34、p to 0.029, excl 0.001 0.029 to 0.035, excl 0.0015 0.035 to 0.1875, excl 0.002 Table 7B - Tolerances, thickness, SI units Specified Thickness Millimeters Tolerance, Millimeter Plus and Minus Up to 0.70, excl 0.02 0.70 to 0.90, excl 0.038 0.90 to 4.75, excl 0.04 2.2.2.1 Width tolerances shall be 0.00

    35、5 inch (0.12 mm) for nominal widths 0.0625 to 0.375 inch (1.59 to 9.53 mm), exclusive. 2.3 Hot Finished Bars 2.3.1 Hot Rolled 2.3.1.1 Rounds and Squares Shall be as shown in Table 8. Out-of-round is the difference between the maximum and minimum diameters of the bar, measured at the same cross secti

    36、on. Out-of-square is the difference in the two dimensions at the same cross section of a square bar, each dimension being the distance between opposite faces. Table 8A - Tolerances, diameter or thickness, inch/pound units Specified Diameter or Thickness Inches Tolerance, Inch Plus Tolerance, Inch Mi

    37、nus Out-of-Round or Out-or-Square Inch 0.250 to 0.3125, incl 0.005 0.005 0.008 Over 0.3125 to 0.4375, incl 0.006 0.006 0.009 Over 0.4375 to 0.625, incl 0.007 0.007 0.010 Over 0.625 to 0.875, incl 0.008 0.008 0.012 Over 0.875 to 1.000, incl 0.009 0.009 0.013 Over 1.000 to 1.125, incl 0.010 0.010 0.01

    38、5 Over 1.125 to 1.250, incl 0.011 0.011 0.016 Over 1.250 to 1.375, incl 0.012 0.012 0.018 Over 1.375 to 1.500, incl 0.014 0.014 0.021 Over 1.500 to 2.000, incl 1/64 1/64 0.023 Over 2.000 to 2.500, incl 1/32 0 0.023 Over 2.500 to 3.500, incl 3/64 0 0.035 Over 3.500 to 4.500, incl 1/16 0 0.046 Over 4.

    39、500 to 5.500, incl 5/64 0 0.058 Over 5.500 to 6.500, incl 1/8 0 0.070 Over 6.500 to 8.000, incl 5/32 0 0.085 SAE INTERNATIONAL AMS2241S Page 7 of 11 Table 8B - Tolerances, diameter or thickness, SI units Specified Diameter or Thickness Millimeters Tolerance, Millimeters Plus Tolerance, Millimeter Mi

    40、nus Out-of-Round or Out-or-Square Millimeters 6.25 to 7.80, incl 0.12 0.12 0.20 Over 7.80 to 11.00, incl 0.15 0.15 0.22 Over 11.00 to 15.75, incl 0.18 0.18 0.25 Over 15.75 to 22.00, incl 0.20 0.20 0.30 Over 22.00 to 25.00, incl 0.22 0.22 0.32 Over 25.00 to 28.00, incl 0.25 0.25 0.38 Over 28.00 to 31

    41、.00, incl 0.28 0.28 0.40 Over 31.00 to 34.00, incl 0.30 0.30 0.45 Over 34.00 to 37.50, incl 0.35 0.35 0.52 Over 37.50 to 50.00, incl 0.40 0.40 0.58 Over 50.00 to 62.50, incl 0.80 0 0.58 Over 62.50 to 87.50, incl 1.20 0 0.88 Over 87.50 to 115.00 incl 1.60 0 1.15 Over 115.00 to 138.00 incl 2.00 0 1.45

    42、 Over 138.00 to 165.00 incl 3.15 0 1.75 Over 165.00 to 200.00, incl 3.90 0 2.12 2.3.1.2 Hexagons and Octagons Shall be as shown in Table 9. Table 9A - Tolerances, thickness, inch/pound units Specified Thickness Inches Tolerance, Inch Plus and Minus Maximum Difference 3 Measurements Hexagons Only Inc

    43、h 0.250 to 0.500, incl 0.007 0.011 Over 0.500 to 1.000, incl 0.010 0.015 Over 1.000 to 1.500, incl 0.021 0.025 Over 1.500 to 2.000, incl 1/32 1/32 Over 2.000 to 2.500, incl 3/64 3/64 Over 2.500 to 3.500, incl 1/16 1/16 Table 9B - Tolerances, thickness, SI units Specified Thickness Millimeters Tolera

    44、nce, Millimeters Plus and Minus Maximum Difference 3 Measurements Hexagons Only Millimeters 6.25 to 12.50, incl 0.18 0.28 Over 12.50 to 25.00, incl 0.25 0.38 Over 25.00 to 37.50, incl 0.52 0.62 Over 37.50 to 50.00, incl 0.78 0.78 Over 50.00 to 62.50, incl 1.18 1.18 Over 62.50 to 87.50, incl 1.56 1.5

    45、6 SAE INTERNATIONAL AMS2241S Page 8 of 11 2.3.1.3 Flats Shall be as shown in Tables 10 and 11. Table 10A - Tolerances, thickness, inch; for thickness ranges, inches, inch/pound units Specified Width, Inches 0.125 to 0.500, incl Plus for thickness ranges, millimeters, SI units Specified Width, Millim

    46、eters 3.10 to 12.50, incl Plus for length ranges, feet, inch/pound units Specified Diameter of Rounds, Thickness of Squares, Hexagons, and Octagons, Width of Flats Inches Length Up to 12 feet, Incl (inches) Length Over 12 to 25 feet, Incl (inches) Up to 2.000, incl 1/2 3/4 Over 2.000 to 4.000, incl

    47、3/4 1 Over 4.000 to 6.000, incl 1 1-1/4 Over 6.000 to 9.000, incl 1-1/4 1-1/2 Over 9.000 to 12.000, incl 1-1/2 2 Table 12B - Tolerances, length, millimeters, plus only; for length ranges, millimeters, SI units Specified Diameter of Rounds, Thickness of Squares, Hexagons, and Octagons, Width of Flats

    48、 Millimeters Length Up to 3600, Incl Length Over 3600 to 7500, Incl Up to 50.00, incl 12.5 19.0 Over 50.00 to 100.00, incl 19.0 25.0 Over 100.00 to 150.00, incl 25.0 31.0 Over 150.00 to 225.00, incl 31.0 37.5 Over 225.00 to 300.00, incl 37.5 50.0 3.2 Wire 3.2.1 Round and Shape, Straightened and Cut,

    49、 Exact Length Resheared Shall be as shown in Table 13. Table 13A - Tolerances, length, inch, plus only; for length ranges, feet, inch/pound units Specified Diameter of Rounds, Thickness of Squares, Hexagons, and Octagons, Inches Length Up to 3 feet, Excl (inches) Length 3 to 12 feet, Incl (inches) Length Over 12 to 25 feet, Incl (inches) Up to 0.125, incl 1/16 1/16 1/8 Ove


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