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1. Cutting


2. Forming

Main Equipment
Elbow machine
24"-48" 1200 ton elbow machine
10"-36" 500 ton elbow machine
6"-24" 350 ton elbow machine
16" 200 ton elbow machine
60" SAW equipment
 

Bending machine
20"-60" 800 ton bending machine
3"-20" 350 ton bending machine

Tee, reducer, and elbow hot press
8000 ton hydraulic press
3500 ton hydraulic press
800 ton hydraulic press

3. Heat treatment

Main equipment
120" gas type heat treatment furnace
24" electric heat treatment furnace
 
4. Beveling 


5. Testing 

 
6. Sand blasting
 
7. Final inspection
 
8. Packing


Technical process of seamless steel pipe


Technical process of pipe fittings



Technical process of Forged flange


Technical process of stainless steel seamless pipe


Technical process of ERW pipe


Technical process of spiral steel pipe



Technical process of the corrosion prevention and coating for pipe