[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: 46CFR56.10-5]

[Page 180]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 56_PIPING SYSTEMS AND APPURTENANCES--Table of Contents
 
                        Subpart 56.10_Components
 
Sec. 56.10-5  Pipe.

    (a) General. Pipe and tubing shall be selected as described in Table 
56.60-1(a).
    (b) Ferrous pipe. ASTM Specification A 53 (incorporated by 
reference, see Sec. 56.01-2) furnace welded pipe shall not be used for 
combustible or flammable liquids within machinery spaces. (See 
Sec. Sec. 30.10-15 and 30.10-22 of this chapter.)
    (c) Nonferrous pipe. (See also Sec. 56.60-20.) (1) Copper and brass 
pipe for water and steam service may be used for design pressures up to 
250 pounds per square inch and for design temperatures to 406 [deg]F.
    (2) Copper and brass pipe for air may be used in accordance with the 
allowable stresses found from Table 56.60-1(a).
    (2-a) Copper-nickel alloys may be used for water and steam service 
within the design stress and temperature limitations indicated in ANSI-
B31.1.
    (3) Copper tubing may be used for dead-end instrument service up to 
1,000 pounds per square inch.
    (4) Copper, brass, or aluminum pipe or tube shall not be used for 
flammable fluids except where specifically permitted by this part.
    (5) Aluminum alloy pipe or tube may be used within the limitation 
stated in 123.2.7 of ANSI-B31.1 and paragraph (4) of this section (c)5.
    (d) Nonmetallic pipe. Plastic pipe may be used subject to the 
conditions described in Sec. 56.60-25.

[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGFR 69-127, 35 
FR 9978, June 17, 1970; CGFR 72-59R, 37 FR 6189, Mar. 25, 1972; CGD 77-
140, 54 FR 40602, Oct. 2, 1989; CGD 95-028, 62 FR 51200, Sept. 30, 1997; 
USCG-2000-7790, 65 FR 58460, Sept. 29, 2000]