[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: 46CFR52.01-90]

[Page 127-128]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 52_POWER BOILERS--Table of Contents
 
                   Subpart 52.01_General Requirements
 
Sec. 52.01-90  Materials (modifies PG-5 through PG-13).

    (a) Materials subject to stress due to pressure shall conform to 
specifications as indicated in paragraph PG-5 through PG-13 of the ASME 
Code except as noted otherwise in this section.
    (b) Material not fully identified with an ASME Code approved 
specification may be accepted as meeting Coast Guard requirements 
provided it satisfies the conditions indicated in paragraph PG-10 of the 
ASME Code.
    (c) (Modifies PG-5.5) When the maximum allowable working pressure 
(See PG-21) exceeds 15 pounds per square inch, cross pipes connecting 
the steam and water drums of water tube boilers, headers, cross boxes 
and all pressure parts of the boiler proper shall be made of a wrought 
or cast steel listed in Table PG-23.1 of the ASME Code.
    (d) (Modifies PG-8.2.2.) The use of cast iron for mountings, 
fittings, valves, or cocks attached directly to

[[Page 128]]

boilers operating at pressures exceeding 15 pounds per square inch is 
prohibited.
    (e) (Modifies PG-11.1.1.) The material, design, construction and 
workmanship of pumps shall be at least equivalent to the standards 
established by the American Bureau of Shipping or other recognized 
classification society. See part 58 of this subchapter.

[CGFR 68-82, 33 FR 18815, Dec. 18, 1968, as amended by CGD 73-254, 40 FR 
40163, Sept. 2, 1975; CGD 81-79, 50 FR 9432, Mar. 8, 1985]