Pipe Mill 426mm
DESIGNING GUIDELINE
To improve the serviceability and productivity
To improve the stability of the product quality
To improve the output of the line
To reduce cost of the equipment
To meet safety requirements of multi-product small-batch production
To improve the environment and safety in operation
I. Technological Flow:
Coil loading — Uncoiling — Pinching & Leveling — End Shearing — Strip joining — Horizontal Spiral Accumulator — Forming — Welding — O.D & I.D. bead cutter–SEAM ANNEALING — Air & Water Cooling — Sizing & Straightening — Measuring Roll — Cut off machine — Run out conveyor — End facing & chamfering — Hydrostatic Testing — Ultrasonic Testers — Weighing and Measuring — Painting and Marking — Packing — Warehousing
II. BASIC TECHNICAL PARAMETERS
1. RAW MATERIAL SPECIFICATION
Steel grade:
Line pipe: A, B, X42, X46, X52, X56, X60, X65, X70, X80
Petroleum casing pipe: H40, J55, K55, N80
Structural pipe: Q215, Q235, Q345, 20#
Coil OD: Ø1350mm~Ø2000mm
Coil ID: Ø610~Ø 762mm
Coil weight: Max. 30t
Strip width: 680mm~1600mm
Strip thickness: 5mm~16mm
2. FINISHED PRODUCT SPECIFICATIONS
Technical standards: API 5L API 5CT GB/T 3091 JIS G3452 JIS G3444 JIS G3445 ASTM A513 EN 10219
Pipe OD:Ø 219mm ~ Ø 508mm
Length: 6 ~ 20m
Welding Speed: 15~35m/min
3. Annual Production: 200,000t/year
4. Total Installation Capacity: Approx. 3000KW
