Dimensions of round tubes	Φ114-Φ219 mm
Wall thickness	8.0-12.0 mm
Pipe length	6 m
Pipe strandard	GB/T 6728-2002,GB/T6725-2002,EN 10219-1997,JIS 3466-88, ASTM A500

1.2 Data of material

1.2.1 Strip

Material quality	Low carbon steel, low alloy steel Q195-Q345B,Q420,Q460,20# and so on.
Strip width	357-688 mm
Strip thickness	8.0-12.0 mm
Standards of strip steel	YB189-64

1.2.2 Coil

Inside coil dimensions	Φ508-Φ762 mm
Outside coil dimensions	Φ1000-Φ2200 mm
Coil weight	≤ 18t

1.3 General equipment data

Line speed	20-40 m/min
Installed capacity	About 900 KW
Unit operation direction:	As the buyer required

2.Production Process

Scrolling → Uncoiling → Straightening →Leveling → Shear and cross welding→ Horizontal screw accumulator → Roller forming → Squeezing high-frequency welding → Outer deburr → Air cooling → Water cooling → Sizing and shaping → Eddy current test → Thick straightening → Flying saw → Output runway → Seven roller straightening → Runway → Material reverse → Rack → Head flattening → Runway → Material reverse → Automatic packing → Storage.

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Specifications

1.1 Data of finished products

1.2 Data of material

1.3 General equipment data

welded pipe production line

welding production line

carbon steel erw pipe specifications