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ASME B1.30 2002 R2012

ASME B1.30 2002 R2012

$98.04

ASME B1.30 Screw Threads: Standard Practice for Calculating and Rounding Dimensions

Published By Publication Date Number of Pages
ASME 2002 36
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The purpose of this Standard is to establish uniform and specific practices for calculating and rounding the numeric values used for inch and metric screw thread design data dimensions only. No attempt is made to establish a policy of rounding actual thread characteristics measured by the manufacturer or user of thread gages. Covered is the Standard Rounding Policy regarding the last figure or decimal place to be retained by a numeric value and the number of decimal places to be retained by values used in intermediate calculations of thread design data dimensions. Values calculated to this Standard for inch and metric screw thread design data dimensions may vary slightly from values shown in existing issues of ASME B1 screw thread standards and are to take precedence in all new or future revisions of ASME B1 standards as applicable except as noted in para. 1.2

PDF Catalog

PDF Pages PDF Title
5 CONTENTS
TABLES
6 FOREWORD
7 COMMITTEE ROSTER
9 1 GENERAL
1.1 Purpose
1.2 Metric Application
2 ROUNDING OF DECIMAL VALUES
2.1 Rounding Policy
2.1.1
2.1.2
2.1.3
10 2.1.4
3 CALCULATIONS FROM FORMULAS
3.1 General Rules
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.2 Examples
4 THREAD FORM CONSTANTS
1 Number of Decimal Places Used in Calculations
12 2 Example of External Inch Screw Threads, 1/2-28 UNEF-2A
15 3 Example of Internal Inch Screw Threads, 1/2-28 UNEF-2B
17 4 Example of External Inch Screw Threads, 19/64-36 UNS-2A
20 5 Example of Internal Inch Screw Threads, 19/64-36 UNS-2B
22 6 Example of External Metric Screw Threads, M12 X 1.75-4g6g
24 7 Example of Internal Metric Screw Threads, M12 X 1.75-6H
26 8 Example of External Metric Screw Threads, M13 X 0.9-4g6g
28 9 Example of Internal Metric Screw Threads, M13 X 0.9-6H
30 10 Thread Form Data
31 NONMANDATORY APPENDIX
A THREAD CHARACTERISTICS GOVERNED BY THIS STANDARD

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ASME B1.30 2002 R2012
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