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Castings are classified on the basis of the tensile strength of the iron in separately cast test bars. astm a48/ a48m standard specification for gray iron casting ( tensile testing) test method summary the standard specifies gray iron casting for general engineering applications, where tensile strength is a main concern. 3 the values stated in either si units or inch- pound units are to be regarded separately as standard. 1 this specification subordinates chemical composition to. requirements for tensile strength on the above chart, you could see the each material grade has required its min.
1520/ a0048_ a0048m- 22. astm a48/ a48m, edition, - standard specification for gray iron castings. designation: a 48/ a 48m – 03 standard specification for gray iron castings 1 this standard is issued under the fixed designation a 48/ a 48m; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1 this specification subordinates chemical composition to tensile strength. this astm a48 standard pdf standard is issued under the fixed designation a 48/ a 48m; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
this specification replaces federal specification qq- i- 652. standard specification for gray iron castings available format ( s) : hardcopy, pdf language ( s) : english published date: publisher: american society for testing and materials scope general product information standards referenced by this book standards referencing this book categories associated with this standard. standard specification for 50 mm to 1500 mm [ pdf 2 in. 1 ' ' this specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. the tensile strength of the iron castings is determined by testing separately casted test bars. ] annular corrugated profile wall polyethylene ( pe) pipe and fittings for land. that means the tensile strength is the most important specification for gray iron castings. standard specification for gray iron castings1 this standard is issued under the fixed designation a astm a48 standard pdf 48/ a 48m; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. full description. org, or contact astm customer service at org.
description designation: a 48/ a 48m – 03 standard specification for gray iron castings1 this standard is issued under the fixed designation a 48/ a 48m; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. last previous edition approved in as a48/ a48m ð. astm a48 a48m- 03 ( r) | pdf | casting ( metalworking) | casting astm a48 a48m- 03 ( r) - read online for free. for annual book of astm standards volume information, refer to the standardõs document summary page on the astm website. a number in parentheses indicates the year of last reapproval. 1 ' ' this specification subordinates chemical composition to tensile strength. standard specification for gray iron castings. com no requirement in standard, but strength relief can be processed if necessary.
the values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. however, there is no need to write a, b, c, s material grades for the foundry. this standard has been approved for use by agencies of the department of defense. in order to standardize solidification and cooling rate, standard test specimen sizes are used to ensure conformance to the specification. this specification covers gray iron castings intended for general engineering use where tensile strength pdf is a major consideration.
2 for referenced astm standards, visit the astm website, www. astm a48 is the most popular gray iron casting specification and classifies castings to various grades by their tensile strength. combining values from the two systems may result in nonconformance with the standard. combining values from the two systems may result in non- conformance with the standard. tensile strength, ksi, so the tensile strength is the most important specification to gray iron castings. ] annular corrugated profile wall polyethylene ( pe) pipe and fittings for land drainage applications f2648_ f2648m- 22 astm| f2648_ f2648m- 22| en- us astm a48 standard pdf standard specification for 50 mm to 1500 mm [ 2 in.
astm- a48a- 48m- 03. astm a48 gray pdf iron heat treatment requirement: www. requirements for tensile strength on the above chart, you can see that each material grade requires its minimum value of tensile strength, ksi. astm a48 gray iron typical casting application machinery parts, building, oil, equipment.
1 this specification covers astm a48 standard pdf gray iron castings intended for general engineering use where tensile strength is a major consideration.
