ASTM A800 PDF

22 Oct ASTM A – Designation: A /A M – 01 An American National Standard Standard Practice f. 7 Apr This standard is issued under the constant designation a /a m; the number right away following the designation suggests the yr. Find the most up-to-date version of ASTM A at Engineering

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Thanks for any help RE: Few production environments have the luxury of ordering new equipment to replace existing machines on their shop floor. Methods are described for estimating ferrite content by chemical, magnetic, and metallographic means.

Sources of error include the following:.

Standard Practice for Steel Casting, Austenitic Alloy, Estimating Ferrite Content Thereof

Click Here to join Eng-Tips and talk with other members! Join your peers on the Internet’s largest technical engineering professional community. These may so alter the magnetic response of the alloy that the indicated ferrite content is quite different from that of the same chemical composition that has undergone different thermal treatment.

Answer 3 Yes, see answer 2. Thanks for any help. Such issues are the result of project complexity, size, uniqueness and regulation, as well as the need for virtual team collaboration. Regarding 2 and 3you need to know the niobium and nitrogen content of your steel before you carry out the calculation. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

It 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.

Sources of error include the following: Resources Few production environments have the luxury of ordering new equipment to replace existing machines on their shop floor. Also, because the magnets or probes of the various measuring instruments are small, different degrees of surface roughness or surface curvature will vary the magnetic linkage with the material being measured.

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Register now while it’s still free! Determination of the ferrite content by any of the procedures described ast, the following practice is subject to varying degrees of imprecision which must be recognized in setting realistic limits on the range of ferrite content specified.

Therefore, the precision of the ferrite content estimated from chemical composition depends on the accuracy of the chemical analysis procedure.

ASTM International – Standard References for ASTM A / AM – 14

By joining you are opting in to receive e-mail. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Students Click Here Join Us! The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.

ASTM , Ferrite content (CF8M) – Metal and Metallurgy engineering – Eng-Tips

Historical Version s – view previous versions of standard. The Architecture, Engineering and Construction AEC industry is constantly looking for process improvements to better manage potential project delays and costs.

Because of segregation, the chemical composition, and, therefore, the ferrite content, may differ from point to point on a casting. Link to Active Asgm link will always route to the current Active version of the standard.

A800 ferrite content may be limited by purchase order requirements or by the design construction codes governing the equipment in which the castings will be used. Red Flag This Post Please let us know here why this post is inappropriate.

Combining values from the two systems may result in nonconformance with the a80. The Eng-Tips staff will check this out and take appropriate action. Are you an Engineering professional? Thank you for helping keep Atsm Forums free from inappropriate posts. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. The quantity of ferrite in the structure is fundamentally a function of the chemical composition of the alloy and its thermal history.