426mm (16-3/4")×16mm (0.630") API HF Pipe Mill W/ Slitting Line: Built in 2012, Perfect Condition; Complete mill line still in line ready for inspection; service available.

1.    Background: The φ426mm×16mm ERW API tube mill line was first built in the year of 2012. It is equipped with complete API facility and coil preparation equipment (2000mm×16mm slitting line). Because of marketing issue and share holders’ conflict, the factory is closed and all equipment is for sale. 
 Slitting line: Hengzhong, Taiyuan 
 Beveler, Hydrotester: Hengzhong, Taiyuan 
 Coil Entry and loop: Wanrunda, Bazhou 
 Pipe Mill: Zhongtai  
Milling saw: Huabo 
 Welder: Sanyi Tianxing, Baoding. 
 Seam Annealer: Zhaoyu, Baoding. 
 UT: Shangdong Laser Institute 
2.    Coil Specification
a.       Coil width: 510 – 1350 mm
b.      Coil thickness: 6 – 16 mm
c.       Coil ID: Φ 610-Φ760mm
d.      Coil OD: Φ 1400—Φ2200mm
e.       Coil weight: ≤25ton
f.       Coil material: Q235, Q345 (close to X52); X70 (t ≤ 12.7mm)
3.    Product pipe specification
a.       Pipe OD: φ219—φ426mm
b.      Pipe wall thickness: 6 – 16 mm
c.       Pipe length: 6 – 14 m
4.    Mill specification
a.       Mill speed: 9 – 20 m/min
b.      Hand of production: right to left
c.       Mill line height: 1000 mm
5.    Detailed equipment specification:
a.       Slitting line: (detailed specification available) Coil width: 1300 – 2000mm; coil thickness: 4 – 16mm; coil weight: 40t; slitting speed: 20 – 30m/min; arbor size: φ420mm; Slitter motor: DC160KW; Recoiler motor: DC315KW
b.      Uncoiler and head straightener             
         Double faced cone type;
         Coil ID: Φ 610-Φ760mm
         Coil OD: φ1400—φ2200mm
         Coil width: 510 – 1350 mm
         Coil thickness: 6 – 16 mm
         Motor power: 11KW
         Hold-down roller: φ280mm
         Coil car elevation: hydraulic
         Coil car moving:  electric
c.       5-roll flattener             2-3 roll arrangement; 2-roll pinching; motor: 22KW
d.      Coil end shear and welding             Automatic shear and weld; CO2 protected welding; hydraulic shear
e.       Horizontal coil accumulator             Accumulation length: 400 – 800 m;
            Accumulating speed: max 90m/min
            Inner ring enter; outer ring exit; Individual driven
            Pinching motor: 160KW
            Accumulator motor: 17×15KW
f.       Forming and sizing section Forming section: 8 horizontal stands (5 coarse forming; 3 fin-pass forming); 4 vertical stands; Roller fast Change system;
Spindle: φ280mm; 42CrMo; vertical roller shaft: φ200mm; 40Cr; quenching hardened
Welding section: guiding rollers; squeeze rollers; flash removal; polishing rollers; cooling trough
5-roll squeeze; vertical roller shaft; φ220mm; 40Cr, quenching hardened;
Sizing section: 1 Vertical roller stand; 4 universal stands; 2 Turks head
Driven motor:
            Forming: 400KW (1); 110KW (3);
            Sizing: 400KW (1)
g.      Roller tooling: Φ325, Φ351, Φ377, Φ402, Φ406, Φ426 (9CrMo) h.      Solid state HF welder: 1200KW i.        Flying saw: CNC milling cold saw; 175KW j.        Run-out conveyor and racks k.      End-facing and beveling machine Pipe O.D.: Φ219.1-Φ426mm
Pipe wall thickness: 4 – 16mm
Pipe length: 6 – 12.5 m
Major Motor: 2×AC37KW; Conveyor motor: 2×5×0.75 KW; machine head moving motor: 2×AC5.5KW; Tool feeding motor: 2×AC0.75KW; Hydraulic system motor: AC55KW.
l.        Hydrostatic tester Pipe O.D.: Φ219.1-Φ426mm
Pipe wall thickness: 4 – 16mm
Pipe length: 6 – 12.5 m
Test pressure: Max. 40 MPa
Efficiency: 30 – 50 pcs/h
Capacity: 250KW
m.    Ultra-sonic tester (online) Pipe O.D.: Φ219.1 - Φ508mm; 4-passage tester
n.      Online weld seam annealer Pipe O.D.: Φ219.1-Φ426mm
Wall thickness: 4 – 16 mm
Type: online; mid-frequency annealing
Annealer: 600KW×3; 1 KHz × 2; 2 KHz × 1
Production speed: 15m/min at φ426×16mm
Weld seam width: 20mm; annealing temperature: 600 – 1000℃

Price and Terms: yang.wang@huaye.us