Work Item
ASTM WK76370

Revision of C150/C150M-20 Standard Specification for Portland Cement


None Provided


This item proposed to remove the ASTM C151 autoclave expansion requirement from ASTM C150. Research over several decades have demonstrated its lack of utility. The existing prescriptive limit on MgO is retained to provide adequate assurance of portland cement soundness.


Developed by Subcommittee: C01.10

Committee: C01

Staff Manager: W Scott Orthey

Work Item Status

Date Initiated: 03-24-2021

Technical Contact: Paul Tennis