All bsi british standards available online in electronic and print formats. Astm e18 standard test methods for rockwell hardness of metallic materials astm e381 bars steel macroetch testing, billets, blooms, and forgings copies of these documents are available from. Steels react differently to etching reagents because of variations in chemical composition, method of manufacture, heat treatment and many other variables. It is the responsibility of the user of this standard to establish appropriate. Astm e381 98 standard method of macroetch testing steel bars, billets, blooms, and forgings. Astm e381 17, standard method of macroetch testing steel bars, billets, blooms, and forgings, astm international, west conshohocken. Astm e381 standard method of macroetch testing steel bars. Purchase your copy of astm e381 17 as a pdf download or hard copy directly from the official bsi shop.
E 381 01 standard method of macroetch testing steel bars, billets, blooms, and forgings1 this standard. Permissions to reprint documents can be acquired through. A number in parentheses indicates the year of last reapproval. Astme381 historical revision information standard method of macroetch testing steel bars, billets, blooms, and forgings astme381 2001 r12 edition superseded see the following. May, 2019 astm e381 pdf admin may, 2019 0 comments find the most uptodate version of astm e at engineering macroetching, also known as deep etching, involves etching specimens prepared with a suitable acid or reagent for macrostructural examination. Astm e381 specifies requirements for standard method of macroetch testing steel bars,billets,blooms,and forgingsr 1984e11984 for general applications. The general requirements covered in astm a962 include the steel producer to test the steel per astm e381, which is a standard method of macroetch testing. Astm e381 standard method of macroetch testing steel bars, billets, blooms, and forgings.
E38120 standard method of macroetch testing steel bars, billets, blooms, and forgings steel billets steel blooms steel. Astme381 standard method of macroetch testing steel bars. This standard is issued under the fixed designation e. Of the metallographic procedures listed, the macroetch test is probably the most informative, and it is widely used for quality control, failure analysis, and research studies. Standard method of macroetch testing steel bars, billets, blooms, and forgings 1. Development of astm e381 flow in a forged part or fastener, which is a critical property for the integrity of the forging.
Standard method of macroetch testing steel bars, billets. For annual book of astm standards volume information, refer to the standards document summary page on the astm. Astm a604 covers testing and inspection and is applicable to bars, billets, and blooms of carbon, alloy, and stainless steel which have been consumable electrode remelted. Classification of the features observed with the macroetch test is often confusing because of the use of jargon created since the introduction of this test procedure. Astm e381 17 standard method of macroetch testing steel bars.
Macroetching, which is the etching of specimens for macrostructural. Standard method of macroetch testing steel bars, billets, blooms, and forgings view abstract product details document history astm e381 complete document 2001 edition, 12. Superseded see active link, below download standard pdf more info. Astm e381 20 standard method of macroetch testing steel bars. Standard practice for macroetch testing of consumable. Astm e38117 standard method of macroetch testing steel bars, billets, blooms, and forgings.
Macroetch test to astm e340 is the controlled surface etching of a metal or alloy sample to reveal a structure such as grain flow lines and ingot patterns that are visible at the low magnification. Astm e381012006 standard method of macroetch testing. Astm e340 15 standard practice for macroetching metals. Astme381 standard method of macroetch testing steel. Astm e 17 standard method of macroetch testing steel bars, billets, blooms, and forgings. Macroetch testing is a method for examining and rating transverse sections of bars and billets to describe certain conditions of macro segregation that are often characteristic of consumable electrode remelted materials. Jul 01, 2019 astm e381 pdf find the most uptodate version of astm e at engineering macroetching, also known as deep etching, involves etching specimens prepared with a suitable. Macroscopic examination of metals laboratory testing inc. Astm e 01 standard method of macroetch testing steel bars, billets, blooms, and forgings. Astm e34015, standard practice for macroetching metals and alloys, astm international, west conshohocken, pa, 2015. Standard method of macroetch testing steel bars, billets, blooms, and forgings active standard astm e381 developed by subcommittee. Last previous edition approved in 2006 as e381 012006. Macro examination of metals can be used to assess quality through the evaluation of a samples macrostructural features, which may include grain flow, porosity. E 381 01 standard method of macroetch testing steel bars.
E 381 01 standard method of macroetch testing steel bars, billets, blooms, and forgings 1 this standard is issued under the fixed designation e 381. In the preparation of this standard assistance has been derived from astm e381 standard methods of macroetch testing, inspection and rating, steel products, comprising bars, billets, blooms and forgings and jis g 0553. Standard method of macroetch testing steel bars, billets, blooms, and forgings. Astm e381 98 standard method of macroetch testing steel. Astm e381 01 standard method of macroetch testing steel bars, billets, blooms, and forgings. Astm e381 standard method of macroetch testing steel. Macroetch testing steel bars, billets, blooms, and forgings1. E381 01 reapproved 2006 standard method of macroetch testing steel.
Astme381 historical revision information standard method of macroetch testing steel bars, billets, blooms, and forgings astme381 1994 edition superseded see the following. Astm e38101 standard method of macroetch testing steel bars, billets, blooms, and forgings. Astm e381 17 standard method of macroetch testing steel bars, billets, blooms, and forgings. Standard method of macroetch testing steel bars, billets, blooms, and forgings item type. The method employs astm e381 action of an acid or other corrosive agent to develop the macrostructural characteristics of a suitably prepared specimen.
Grain flow lines are the resulting fiber pattern observed in a hot or cold worked material, showing the manner in which the metal flowed during the. Astm e381 012006 standard method of macroetch testing steel bars, billets, blooms, and forgings. Macroetch testing steel bars, billets, blooms, and forgings astm e381 macroetching, which is the etching of specimens for macrostructural examination at low magnifications, is a frequently used technique for evaluating steel products such as bars, billets, blooms, and forgings. Astm e381 012012 standard method of macroetch testing steel bars, billets, blooms, and forgings. Standard method of macroetch testing steel bars, billets, blooms, and forgings english title. E381 macroetch testing steel bars, billets, blooms, and. Jun 22, 2019 astm e381 pdf admin june 22, 2019 0 comments find the most uptodate version of astm e at engineering macroetching, also known as deep etching, involves etching specimens prepared with a suitable acid or reagent for macrostructural examination. May 11, 2020 astm e381 pdf find the most uptodate version of astm e at engineering macroetching, also known as deep etching, involves etching specimens prepared with a suitable acid or reagent for macrostructural examination. Jun 22, 2019 astm e381 pdf jun 22, 2019 admin personal growth find the most uptodate version of astm e at engineering macroetching, also known as deep etching, involves etching specimens prepared with a suitable acid or reagent for macrostructural examination. Astm e381 17 standard method of macroetch testing steel. Active standard astm e381 developed by subcommittee. Mar 29, 2019 astm e381 pdf find the most uptodate version of astm e at engineering macroetching, also known as deep etching, involves etching specimens prepared with a suitable.
Of the metallographic procedures listed, the macroetch test is probably the. Astm e381 01 standard method of macroetch testing steel. Astm e 381 macroetch testing steel bars, billets, blooms, and forgings. Astm e381 pdf find the most uptodate version of astm e at engineering macroetching, also known as deep etching, involves etching specimens prepared with a suitable. E381 macroetch testing steel bars, billets, blooms, and forgings.
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