Threaded pipe shop. Flashcards
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- Process of shaping metal by forcing it through a die.
Extrusion.
Ik’struzhe^n.
- A small bar of metal for farther processing?
Bolwanka.
Billet.
‘bilit.
- A cylindrical rod around which metal or other material is forged or shaped?
Mandrel.
‘maendre^l.
- What is use of pipe?
Pipe is used to convey a solid, liquid or gas from one point to another.
- Name the types of pipe?
Clay, lead, cement, copper, brass, steel, glass, cast iron, plastics.
6.how is steel pipe manufactured with?
It’s alloy of carbon, manganese, phosphorous, sulfur.
- What is tensile strength of steel pipe?
Aprox 48,000 psi.
- What are 3 types of steel pipe?
- Type “F”,
- Type”E”,
- Type “S”.
9.what is F type of steel pipe?
Furnace butt welded or continuous welded pipe.
- What is E type of steel pipe?
Electric resistance welded pipe.
- What is S type of steel pipe?
Seamless pipe.
- How does type F/E steel pipe make?
Both continuous welded and electric resistance welded pipe are made by shaping rolls of flat coil steel called “skelp” into cylindrical form and welding along the longitudinal seam.
- Name of flat coil steel for making welded pipes?
Skelp.
- What are two common methods of producing seamless pipe?
- Hot rotary piecing.
2. Extrusion process method.
- What is extrusion method?
Hot billets of metal are formed into seamless pipe by forcing the billet through extrusion die. (fForms metal to desired size and shape).
- What is Hot Rotary Piercing?
Most common method of producing seamless pipe. Heavy rollers rotate and advance the hot billet over a mandrel or piercing plug. Shaping and sizing is carried out by other mill rollers.
- What is the most common standards for seamless and seam welded pipe?
ASTM A53.
- How are steel pipe classify?
Steel pipe is produced in three weights or general wall thickness.
- What are three weights classifications for steel pipe?
- STD-standard.
- XS or XH - extra strong or extra heavy.
- XXS or XXH - double extra strong or double extra heavy.
- What is general wall thickness classifications for steel pipe?
Schedule number. For specific applications and pressures, steel pipe is manufactured in assorted schedule numbers. These schedule numbers range from 10 through 160.
10,20,30,40.60,80,100,120 and 160.
- The name of classes of steel pipe by schedule?
Light wall- schedule 10.
Standard- schedule 40.
Extra strong- schedule 80.
Extra extra strong- schedule 160.
- Pipe identification?
- Trade name or company name.
- ASTM A53 (specification number).
- Outside diameter.
- Wall thickness.
- Method of manufacture.
- Weight.
- Length.