RZJ114 RZJ160 Seamless Pipe and Tube Hot Rolling Mill Production Line

RZJ114 RZJ160 Seamless Pipe and Tube Hot Rolling Mill Production Line

RZJ114 RZJ160 seamless pipe and tube hot rolling mill production line Brief introduction. There are many disadvantages for methods of production like laggard technics, timeworn technical equipment and high energy consumption, heavy pollution but low efficiency. However, hot rolling seamless pipe...

Product Details

RZJ114 RZJ160 seamless pipe and tube hot rolling mill production line
Brief introduction.
There are many disadvantages for methods of production like laggard technics, timeworn technical equipment and high energy consumption, heavy pollution but low efficiency. However, hot rolling seamless pipe product line has not only overcome above disadvantages but also have some advantages. For example, it is not necessary to pickling, phosphoroused and saponification; it is without chemical pollution; low investment of machines; high precision of finished tube; short of processes; heat one time then continuous producing and achieve finial production. Therefore, it is applied widely.


Technique flow chart.
billet cutting→ inspection and grinding →billet centering→billet heating→two-roller skew roll piercer→two roll A-R elongator with restricted mandrel→three-roller twelve-stander sizing M-C machine assembly→large and small cooling bed→ seven-roller vertical pipe straightener→grinding and testing→cutting→inspection and marking→packing→weighing→stock.


Technical parameter

Model

RZJ114

RZJ160

1

billet diameter(mm)

Φ80~180

Φ140~230

2

billet length(mm)

1500~2600

1700~3000

3

finished tube diameter(mm)

Φ76~168

Φ114~219

4

finished tube WT(mm)

4.5~27.0

8.0~40.0

5

finished tube length(mm)

12500

13500

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