1-Type of nutrition: spiral.
2- Type of the store coil: accumulator
3- Welding of 500 kw to contact and induction.
4-Test of weld annealing
5- Beveling the both of pipe ends.
6-Hidrostatic test (5000 psi- 345 bar)
7-The length of pipe 6-12.5 m.
8-Wall thickness is 4-20.6 mm.
9- API 5L for standard.
10-Annual　output 150000 ton.