• ERW Casing Pipe
  • ERW Casing Pipe
  • ERW Casing Pipe
  • ERW Casing Pipe
  • ERW Casing Pipe
  • ERW Casing Pipe

ERW Casing Pipe

ERW Casing Pipe Product Introduction. Electric-welded pipe has one longitudinal seam formed by electric-resistance or electric-induction welding without the addition of filler metal. The edges to be welded are pressed together mechanically, and the heat for welding is generated by the...

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Product Details

ERW Casing Pipe

 

Product Introduction.

Electric-welded pipe has one longitudinal seam formed by electric-resistance or electric-induction welding without the addition of filler metal. The edges to be welded are pressed together mechanically, and the heat for welding is generated by the resistance to flow of electric current. The weld seam of electric welded pipe is heat-treated after welding to a minimum temperature of 1,000°F or processed so that no untempered martensite remains. See API Spec. 5CT for exceptions.

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Specification

Standard

API 5CT .....

Steel Grade

J55, K55, N80, 37Mn5, 34Mn6, 30Mn2, 25Mn2 etc

Size Range

OD: 8 5/8", 9 5/8", 10 3/4", 11 3/4", 13 3/8", 16", 18 5/8", 7"     

Thickness: 5.87 Lb/ft to 133 Lb/ft

Certificate

API Spec. 5CT,  API Spec. 5B, ISO 11960

Notes

Type of coupling and threading: BTC, LTC, STC and so on. 

Description:

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We have supplied the casing pipes to PDVSA, PERTAMINA, NIOC, CNPC for more than 100,000 tons during the past 5 years. 


Principal Production Processes

❶ Steel making

Degassing and desulfurizing of the metal during the steelmaking process produce clean steel with low non-metalic inclusions and better surface finish.

❷ Hot Rolling

Advanced hot rolling results in hot coil with a fine grain structure and high dimensional accuracy.

❸ Spiral Looper

The spiral looper supplies a steady feed of coil downstream to the continuous edge milling, pipe forming and welding stands.

❹ Forming Stands

Heavy duty stands accurately form the incoming coil into pipe having a wide range of wall thickness and outside diameter.

❺ HF-Welder

“Welding Condition Monitoring and Controling System”, produces high quality welds. Seams are

inspected by ultrasonic testing.

❻ Welded Seam Heat Treatment

Heat treatment in the welded zone stabilizes the microstructure and gives it the same physical properties as the base metal. The exact seam position is determined by optical sensors for seam heat treatment, and ultrasonic and hydrostatic testing.

❼ Non-destructive Testing

Every length and entire surface of each Pipe is subjected to a full line-up of non-destructive tests.

❽ Automatic Inspection

Every pipe is given a comprehensive check using automatic inspection equipment.

❾ Monitoring and Tracking System

Pipe is monitored and tracked at every stage of production by on-line computers. All manufacturing data is stored by computer and can be made available in any form required by the customer.

❿ Marking

Automatic stencilling and die-stamping machines identify and clearly mark every pipe.

⓫ Threading

Advanced lathes cut high precision threads to order. Connectors for large O.D. casings are also available. The use of thread protectors is recommended to prevent damage to theconnectors during handling, loading and pipe rolling.


Edit by Ms. Vicky Wang of KRM/BSW

Contact us directly by:  

Email: vicky@kingruimansteelpipe.com  

Tel / Whatsapp: 0086-13931786988

Skype: vickywangxia


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