Plumber and Pipefitter 1
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Name four metals that are used extensively in the piping industry.
Steel, Stainless Steel, Aluminum, Copper.
Name a ferrous and a nonferrous metal.
- Ferrous-iron and iron based metals.
- Various steels, and Stainless steels
Aluminum, brass, copper
What is the smallest bend radius to which a 3/4
in. diameter pipe can be bent?
3 3/4 inch "
All aluminums are alloys. What are some of the alloying metals?
- Alloys of Copper
- Alloys of Iron
- Alloys of Lead
- Alloys of Nickel
Name the four types of rigid copper.
1.Type K:-heaviest-used for underground work
2.Type L: medium weight-used for interior plumbing work
3.Type M: lightweight-where permitted also used for interior work.
4.Type DWV: thinner than type M-used only for vent,waste,and drainage pipe: forbidden in some areas.
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