PART 1 - GENERAL
1.1 DESCRIPTION
15061-1
SECTION 15061
STEEL PIPE & FITTINGS
A. Work Included: Furnish and install steel pipe and fittings of the type(s) and size(s)
and in the location(s) shown on the Drawings and as specified herein.
B. Related Work Specified Elsewhere (When Applicable): "Pipe and Pipe Fittings -
General" is specified in this Division.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Standard Steel Pipe:
1. Classes and maximum working pressures shall be as specified in ANSI B31.1
and as shown on the Drawings.
2
3
4
. ASTM A-53 carbon steel, welded or seamless.
. Zine coated (galvanized) or black steel as indicated.
. End connections: As shown on the Drawings.
B. Fittings:
1. General Service Screwed: Standard pattern malleable iron with full length
clean cut threads, ANSI B16.3.
2. Special Service Screwed: Class 2,000 or 3,000 forged steel.
3. Welded:
a. ASTM A-234 made from ASTM A-106 Grade B seamless tube.
b. Long-radius elbows.
c. Reducing tees for one size reduction, weld-o-lets or thread-o-lets for
small take-offs.
d. 150 pound series slip-on or weld neck flanges ANSI B-16.5 using carbon
steel, ASTM A-181, grade 1.
4. Unions: 250 pound series malleable iron with brass to iron seats.
5. Corrosion Resistant Fittings:
a.
b.
Welded corrosion resistant steel pipe shall be of fittings fabricated from
the same alloy as the pipe.
Screwed corrosion resistant steel pipe shall use malleable iron or ductile
iron fittings.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Threaded Joints:
1. Ream the ends of threaded pipe to remove all burrs.
2. Cut threads clean with long tapers.
3. Remove all dirt and chips from the inside of the pipe and fittings and from the
threads.
13089K