Research Report Approved: Feb 20, 1998
RR:E08-1003

E1221-Standard Test Method for Determining Plane-Strain Crack-Arrest Fracture Toughness, KIa, of Ferritic Steels

An interlaboratory study was conducted by twenty-one laboratories testing nine samples to establish a precision statement for test method E1221.
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Developed by Subcommittee: E08.07
Stock # : RR-E08-1003
Standard: E1221