1.Usage:to produce square pipes
2.Mareial:D2
3.High hardness: HRC63-65 degrees
4.Useful life:12 years

Welding Pipe Roll 

Specifications:

1.Usage:to produce square pipes

2.Mareial:D2

3. Heat treatment: vaccum gas quenching and subzero heat treat ment ( the best way in China)

4.High hardness: HRC63--65 degrees

5.Useful life:10 years

6.All the rolls are for steel pipe making machine to produce the stainless steel pipes or iron pipes.

7. This Mould is for 30×30 and it can work together with the round pipe mould: 38.1mm.

8. Mould Production Process:

1.) Cutting material

2.) rough turning

3.) drilling

4.) CNC processing

5.) Heat treatment

6.)  CNC refine processing again

7.) Quality testing