pipe end expander - Lsaw pipe mill - Tianshui Metalforming Machine Tool (group)Co,.Ltd

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Parameter/Model		KJ-14/914(965)×12500	KJ-20/1422×12500	KJ-25.4/1422×12500
Expanded steel pipe		spirall welding pipe	spirall welding pipe	spirall welding pipe
Expanding mode		mechanically expanding	mechanically expanding	mechanically expanding
Range of expanded steel pipe	Diameter(mm)	Φ323.9～Φ914	Φ508～Φ1422	Φ610～Φ1422
	Wall thick(mm)	5～14	6～20	6～25.4
	Max.material	X70	X70	X70
Expanding length	Flat and straight section(mm)	150	150	150
Expanding length	Transiting section(mm)	100	100	100
Expanding ratio		≤1.5%D	≤1.5%D	≤1.5%D
Production efficiency		less than Φ508mm,2 min./pcs.	less than Φ711mm,3 min./pcs.	less than Φ813mm,3 min./pcs.
Production efficiency		less than Φ508mm,3min./pcs.	less than Φ711mm,4-5 min./pcs.	more than Φ711mm,4-5 min./pcs.
Requirements to pipe body		conform with the requirements of API spec5L std.,(the 42th edition) to the deviation of pipe body,and the inner welding seam within 250mm from ends of the pipe has been grinded,and the surplus height is no more than 0.5mm.
Pipe end after expanding	ovality	0.5%D(on basis of over 0.3% of expanding ratio)	0.5%D(on basis of over 0.3% of expanding ratio)	0.5%D(on basis of over 0.3% of expanding ratio)
Pipe end after expanding	Diameter(measuring on circumference)	D^+1.6_-0.5	D^+1.6_-0.5	D^+1.6_-0.5
Weight(kg)		42000	55000	800000

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