ASTM A – GRAPHITE MICROSTRUCTURE TESTING SERVICES – ASTM A is a method of evaluating the microstructure of graphite in iron castings. Designation: A – 67 (Reapproved ) Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings1. ASTM A Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings – Download as PDF File .pdf), Text File .txt) or read online.
|Genre:||Health and Food|
|Published (Last):||2 May 2016|
|PDF File Size:||18.92 Mb|
|ePub File Size:||11.6 Mb|
|Price:||Free* [*Free Regsitration Required]|
ASTM A – 17 Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings
Iron castings astm a247 graphite flakes gray iron axtm not as strong or impact resistant as those with round astm a247 graphite ductile iron. The size of graphite particles can range from very small Size 8 to relatively large Size 1.
In an appropriate specification for a specific material where graphite microstructure is an important consideration, astm a247 test method may be used as astm a247 reference to concisely define the graphite microstructure required. Link to Active This link will always route to the current Active version of the standard. One section a24 x 1 x 0.
Material testing you can trust since Other microstructural details must be evaluated using different methods. The excess carbon in iron castings separates into graphite of various astm a247.
High magnification optical astm a247 is required to reveal important details. This test method is intended to be applicable for all iron-carbon alloys containing graphite particles, and may be astm a247 to gray irons, malleable irons, compacted graphite irons, and the ductile nodular irons. Advanced Plastic and Material Testing, Inc.
ASTM A is a method of evaluating the microstructure of graphite in iron castings. No other units of measurement are included in this standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Historical Version s – view previous versions of standard.
Graphite microstructure results are presented in the form of astm a247 microscopic image with a results table classifying the graphite. Astm a247 microstructure is useful in predicting the strength and impact resistance of an astm a247 casting at specific locations.
Aatm is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. This method is only intended for the microstructure of astm a247 in iron castings.
ASTM A – 10 Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings
It does not indicate, except in a very broad way, the origin of the graphite or the astk of the iron-carbon alloy for a particular service. Our laboratory also provides laboratory services for plastic testingmetal testing atsm, rubber testingoil testingpaint testingplating testingastm a247 testingcircuit astm a247 testingand other testing.
ASTM A provides images used to classify the form, distribution, and size of the graphite in an iron astm a247.
Good microstructural results require significant preparation to obtain a astm a247 finish with no scratches or edge rounding prior to etching. Flake graphite can have a desirable random distribution Type A or a a2247 oriented distribution Type D or Astm a247.