Revision of A977/A977M-07(2020) Standard Test Method for Magnetic Properties of High-Coercivity Permanent Magnet Materials Using Hysteresigraphs
The terminology and definitions within the document must be updated to be in line with ASTM A34. Figure 1 needs updating. The proposed Precision and Bias Statement needs changing in response to a comment during a recent ballot.
A Work Item (WK) is a proposed new standard or a revision to an existing standard that is under
development by a committee.
ASTM offers descriptions of work items in the interest of openness, as well as to solicit input from
interested stakeholders who may not be members of ASTM. If you would like more information about a
specific work item or to participate in the development of a work item, click the Staff Manager link
provided on the work item description page.
Work Item Lifespan
Once a Work Item is approved through the balloting process and published, it will remain on the
website for an additional 6 months for tracking purposes.
To delete a work item which is no longer necessary, please contact the appropriate staff manager or
administrative assistant. The only way to remove an active Work Item is to contact staff.
A collaboration area will be removed from the website once the work item it is associated with is
If you would like to join ASTM, please visit:
https://www.astm.org/ Complete the online
application process. When prompted to select the main committee that you wish to join, select the
committee that is identified in the work item description.
Citing ASTM Standards
Base Designation / Edition -Version / Title / Publisher / Publisher City
/ Publisher State, Province / Publication Year / DOI / Publisher Website
Referencing Standards with Year of Approval:
ASTM Standard C33, 2003, "Specification for Concrete Aggregates,"
ASTM International, West Conshohocken, PA, 2003, DOI: 10.1520/C0033-03, www.astm.org.
Referencing Standards (multiple revisions in same year):
ASTM Standard C33, 2003a, "Specification for Concrete Aggregates,"
ASTM International, West Conshohocken, PA, 2003, DOI: 10.1520/C0033-03A, www.astm.org.
Referencing Standards (reapproved):
ASTM Standard C33, 2003 (2006), "Specification for Concrete Aggregates,"
ASTM International, West Conshohocken, PA, 2006, DOI: 10.1520/C0033-03R06, www.astm.org.
Referencing Standards (editorial change):
ASTM Standard C33, 2003e1, "Specification for Concrete Aggregates,"
ASTM International, West Conshohocken, PA, 2003, DOI: 10.1520/C0033-03E01, www.astm.org.