ERW325mm

ERW325mm API Pipe Line

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 Specifications
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: Ø1000mm~Ø2000mm
Coil ID: Ø610~Ø 700mm
Coil weight: Max. 30t
Strip width: 400mm~1020mm
Strip thickness: 4mm~12.7mm

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 127mm ~ Ø 325mm
Length: 6 ~ 12m
Welding Speed: 15~35m/min

3. Annual Production: 150,000t/year
4. Total Installation Capacity: Approx. 2000KW,we are tube mill manufacturer and tube mill supplier ,you can know it.