Steel Pipe Flashcards
(30 cards)
Lost three factors that should be considered when a plumber selects materials for piping systems
Cost, durability, suitability of site conditions
Three grades of steel and which is the strongest
Grade A
Grade B
Grade C
C strongest
Three weight designations of pipe
Light wall pipe schedule 5,10 20, 30
Standard wall STD
Extra strong wall XS
Double extra strong XXS
ASPT
American standard pipe thread
NPS
nominal pipe size
APS
Actual pipe size
OD
Outside diameter
ID
Inside diameter
MIP
male iron pipe
FIP
female iron pipe
IPS
iron pipe size
List three uses for steel pipe
DWV
heating and cooling
Radiant panel heating
State 2 advantages of steel pipe
Durability
Great strength
No coefficient of expansion
What is the angle that threads are cut
60 degrees
How is type F pipe manufactured
Butt welded
How is type E manufactured
Lap welded
What is type S manufactured
Seamless pipe
Where can galvanized steel pipe be used
Vents or drainage above ground
What are the advantages of standardization
World standard all worldwide
Pipes and fittings
Threading tools
Calves flanges machine pumps and equipment
Explain the term correct thread management
The correct amount of pipe thread necessary to make a tight connection between pipe and fitting plus 2-3 imperfect threads
Why must thread sealant be used
To prevent leaks
What is a thread nipple chuck
A tool used to make short lengths of pipe 4/12” and shorter in length
Three means of joining steel
Threading
Welding
Mechanical couplings
2 types of thread sealant (pipe dope)
Metallic and non metallic
