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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

Φ323.9～Φ914

Φ508～Φ1422

Φ610～Φ1422

Expanding length

150

150

150

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.

Requirements to pipe body

Pipe end after expanding

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)

Weight(kg)

42000

55000

800000