... pipe, tube frame 1. Roller and mould for round pipe, square pipe, shaped pipe, etc. 2. Precise with ... , welded pipe roller, stainless steel pipe mould for round/square/shaped tube.2. Pipe mould: steel tube, plum ... etc.3. Specification range for round pipe: 5-325mm.4. Specification range for square pipe: F10*F10-F300* ... tolerance of roundness in les than 0.05mm, square tube on the angle does not exceed ±0 ...