[Code of Federal Regulations]
[Title 46, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR54.05-17]

[Page 152]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 54_PRESSURE VESSELS--Table of Contents
 
                      Subpart 54.05_Toughness Tests
 
Sec. 54.05-17  Weld toughness test acceptance criteria.

    (a) For Charpy V-notch impact tests the energy absorbed in both the 
weld metal and heat affected zone impact tests in weld qualification and 
production shall be:
    (1) For weld metal specimens, not less than the transverse values 
required for the parent material.
    (2) For heat affected zone specimens, when the specimens are 
transversely oriented, not less than the transverse values required for 
the parent material.
    (3) For heat affected zone specimens, when the specimens are 
longitudinally oriented, not less than 1.5 times the transverse values 
required for the parent material.
    (b) For drop-weight tests both specimens from each required set 
shall exhibit a no-break performance.

[CGFR 68-82, 33 FR 18828, Dec. 18, 1968, as amended by CGD 73-254, 40 FR 
40164, Sept. 2, 1975]