seamless steel bar hot rolling machine 1.dia. before fixing.: 55-230mm; 2.wt before fixing:4.5-40mm; 3.dia. after fixing:

1. Technical parameter:

NO.	Parameter	Value
1	Billet Diameter(mm)	55-122
2	Billet Length(mm)	51-114
3	Finished tube diameter(mm)	φ275×125
4	Finished tube WT(mm)	0.8-1
5	Finished tube length(mm)	Z4-225-11/N=55KW/n=750rpm

2. Work flow:

Billet cutting→inspection and grinding→billet centering→billet heating→two-roller skew roll piercering→two-roll A-R elongator with restricted mandrel→two-roll seven-stander sizing M-C machine assembly→large and small cooling bed cooling→seven-roller vertical pipe straightening→grinding and testing→cutting→inspection and marking→packing→weighing→stocking

seamless pipe making machine