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Why use ASME Y14.100 for your Engineering Standards

November 15, 2011

The ASME Y14.100 standard establishes common engineering drawing practices and ties together the engineering drawing, and related documentation practices in the Y14 series.  So, if it does all that, why do companies still have separate engineering standards?

It is not the intent of this Standard to prevent individual organizations from designing specific drawing practices that:

  1. Meet their individual product needs
  2. Meet their contractual requirements
  3. Meet their individual program needs
  4. Meet their needs when the standard(s) give you choices, and the company wishes to narrow the choice options available for consistency sake

But rather, it is the intent to provide a common engineering documentation standard(s) to aid the increasing interchange of drawings among Industries, Suppliers, and Customers.  It has been my opinion that it would be better, wiser, and cheaper to follow ASME Y14.100, and deviate only when the need (not personal preference) arises in the form of a desktop, departmental, or program procedure.

The ASME Y14.100 is literally a warehouse full of engineering elements because of all things referenced in the Standard and its appendices.  Some of the more popular elements referenced in this Standard are:

  • Abbreviations (ASME Y14.38)
  • Associated lists (ASME Y14.34M)
  • Castings and forgings (ASME Y14.8M)
  • Flowchart diagram symbols (ANSI/AIIM MS4)
  • Gears (ANSI Y14.7.1 and ANSI Y14.7.2)
  • Geometric, Dimensioning and Tolerancing – GD&T (ASME Y14.5M)
  • Isometric and pictorial views (ASME Y14.4M)
  • Mathematical signs and symbols (ANSI/IEEE 260.3)
  • Mechanical springs (ANSI Y14.13M)
  • Non-destructive welding testing symbols (ANSI/AWS A2.4)
  • Revisions of engineering drawings and associated lists (ASME Y14.35M)
  • Screw thread representation (ASME Y14.6)
  • Single, multiple, and sectional view drawings (ASME Y14.3)
  • Size and format of drawings (ASME Y14.1M for metric and ASME Y14.1 for decimal inch)
  • Surface texture symbols (ASME Y14.36M)
  • Types and application of engineering drawings (ASME Y14.24)
  • Welding symbols (ANSI/AWS A2.4 and ANSI/AWS A3.0 for definitions)
Why wait?  It’s never too late to do the right thing.
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2 Comments leave one →
  1. George Sporie permalink
    April 23, 2013 11:28 am

    It seems ASME’s primary purpose here is to develop and maintain a revenue stream. Your draconian policy on pdf’s is particularly offensive. Spend $105.00 for 44 pages telling you to buy several thousand dollars of additional specifications. Not much on engineering – but brilliant marketing!

    • July 6, 2013 7:38 am

      George, my recommendation to use ASME standards is a way for companies to be standardized in their day-to-day efforts. Most companies are in the business to create products/provide services, and not to maintain their standards. Most Aerospace, Defense, and Aviation firms can have almost unlimited access to IHS which allows them access to ASME specs. Yes, if you are just an individual consumer, you’re not very “cost-effective” in trying to gain access to those specs.

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