Focus on Spiral Steel Pipe Manufacturing

Home / Process Flow

Raw Material Preparation Stage

Clear service processes ensure higher service quality
Contract Order

Step 1

Contract Order

Sign contracts and orders with customers

Process Technology Design-80-1

Step 2

Process Technology Design

The technical department conducts research on the plan

Step 3

Procurement

Purchase raw materials as required

Raw material inspection-80-1

Step 4

Inspect raw materials to ensure compliance with standards

Cnas Laboratory, Report Archive

Pipeline Forming Stage

Fine Automation Control
Delivery Leveling-70-1

Uncoiling And Straightening

1. Uncoiling The Steel Coil

2. Straightening Steel Plate

Edge trimming welding-70-1

Steel Plate Butt Welding

1. Cut off the edges of two steel plates

2. Align edges for automatic welding


Circular Cutting And Milling Edge-70-1

Circular Cutting And Milling Edge

Milling the edges of the steel plate

edge milling-70-1

Edge Milling

1. Cutting edge treatment on steel edge



Forming-70-1

Forming

Spiral Forming

Welding inside the pipe-70-1

Welding Inside The Pipe

1.Perform internal welding along the spiral weld seam



External welding of steel pipes-70-1

External Welding Of Steel Pipes

External welding process

Ultrasonic Testing-70-1

Ultrasonic Testing

Ultrasonic Testing Online

Pipe Sizing And Cutting

Pipe Sizing And Cutting

Cut steel pipes according to size

Finished Product Stage

Visual inspection of internal welds-70-1

Visual inspection of internal welds

That day

External weld appearance inspection-80-1

External Weld Appearance Inspection

Spot goods:
1day
Custom:
15-20day
repair welding-60-1-000

Repair Welding + Grinding +UT Testing

1-2day
X-ray weld seam inspection-80-1

X-Ray Weld Seam Inspection


1day
or
2day
Pipe End Treatment

Pipe End Treatment

2-3day
hydrostatic test-80-1

Hydrostatic Test

1-3day
UT Testing-70-1

UT Testing

2-3day
Inspection of finished steel pipes-80-1

Inspection Of Finished Steel Pipes

Base:
1-5day
Complex:
2-10day
Spray Painting And Labeling-80-1

Spray Painting And Labeling

2-3day
Package And Delivery-80-1

Package And Delivery

Package and store, waiting for shipment