ASTM A247 PDF

ASTM A Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings. ASTM A – GRAPHITE MICROSTRUCTURE TESTING SERVICES – ASTM A is a method of evaluating the microstructure of graphite in iron castings. The most common gray iron specification will contain Type VII flakes, type A, size , as evaluated in ASTM A Dura-Bar G2 gray iron will contain this type of.

Author: Kijin Fenrilkis
Country: Bolivia
Language: English (Spanish)
Genre: History
Published (Last): 14 July 2006
Pages: 367
PDF File Size: 16.27 Mb
ePub File Size: 13.28 Mb
ISBN: 587-4-79506-408-8
Downloads: 77027
Price: Free* [*Free Regsitration Required]
Uploader: Kigajar

ASTM A – Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings

This test method is intended to be applicable for all iron-carbon alloys containing graphite particles, and may be applied to gray irons, malleable irons, compacted graphite irons, and the ductile nodular irons.

Graphite microstructure is useful in predicting the strength and impact resistance of an iron casting at specific locations.

You may delete a document from your Alert Profile at any time. Please first verify your email before subscribing to alerts. Link to Active This link will always route to the current Active version of the standard. This test method is intended to be applicable for all iron-carbon alloys containing graphite particles, and may be applied to gray irons, malleable irons, compacted graphite irons, and the ductile nodular irons.

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. The excess carbon in iron castings separates into graphite of various forms. The size of graphite particles can range from very a2447 Size 8 to relatively large Size 1. Already Subscribed to this document. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.

  48 L8302 A30 PDF

Material testing you can trust since High magnification optical microscopy is required to reveal important details.

ASTM A247 – GRAPHITE MICROSTRUCTURE TESTING SERVICES

One section 1 x 1 x 0. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

Subscription pricing is aastm by: No other units of measurement are included in this standard. Other microstructural details must be evaluated using different methods. Already Subscribed to this document. This test method is intended to be applicable for all iron-carbon alloys containing graphite particles, and may be applied to gray irons, malleable irons, compacted graphite irons, and the ductile nodular irons.

Graphite microstructure results are presented in the form of a microscopic image with a results table classifying the graphite. Please first log in with a verified email before subscribing to alerts. Need more than one copy?

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Please first verify your email before subscribing to alerts. Your Alert Profile lists the documents that will be monitored. In an appropriate specification for a specific material where graphite microstructure is an important consideration, this test method may be used as a reference to define concisely the graphite microstructure required.

This ast is only intended for the microstructure of graphite in iron castings. It is the responsibility of the user of this standard to establish appropriate safety aa247 health practices and determine the applicability of regulatory limitations prior to use.

Our laboratory also provides laboratory services for plastic testingmetal testingrubber testingoil testingpaint testingplating testingadhesive testingcircuit board testingand other testing.

  IEC 62279 PDF

ASTM A – 17 Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings

In an appropriate specification for a specific material where graphite microstructure is an important consideration, this test method may be used as a reference to concisely define the graphite microstructure required. It does not indicate, except in a very broad way, the origin of the graphite or the suitability of the iron-carbon alloy for a particular service.

This standard is also available to be included in Standards Subscriptions. Standards Subsctiption may be the perfect solution. Good microstructural results require significant preparation to obtain a mirror finish with no scratches or edge rounding prior to etching.

Proceed to Checkout Continue Shopping. Work Item s – proposed revisions of this standard. If the document is revised or amended, you will be notified by email. This standard is not included in any packages.

We have no amendments or corrections for this standard. Add to Alert PDF. This standard is also available to be included in Standards Subscriptions. Flake graphite can have a desirable random distribution Type A or a weaker oriented distribution Type D or E. ASTM A provides images used to classify the form, distribution, and size of the graphite in an iron casting. Historical Version s – view previous versions of standard. Iron castings with graphite flakes gray iron are not as strong or impact resistant as those with round nodular graphite ductile iron.