Manufacturing Process

February 15, 2017

Welded Steel pipe (erw & spiral) specification and Manufacturing method

API ERW Carbon Steel Pipes Standard related to Grade: No. Name Standard Grades Application 1 Casing Pipes API 5CT H40,K55, N80-1,J55 For oil-gas well casing 2 Line Pipes API  5L A, B–X70 L210–L485 For the pipeline transportation of oil and natural gas 3 Welded Steel Tubes For Pressure Purposes EN10217-1 P195TR1 P195TR2 P235TR1 P235TR2 P265TR1 P265TR2 Welded Steel Tubes For Pressure Purposes Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, […]
February 27, 2017

process of seamless steel pipe

Hot Rolled Process for Seamless Steel Pipe Cold Drawn Process for Seamless Steel Pipe The process of cold drawing is a procedure by which steel profiles are formed in order to achieve complex cross sections of excellent precision in these cold drawn steel shapes. After careful pre-treatment and de-scaling, the special […]
February 27, 2017

process of carbon steel pipe

process of carbon steel pipe
February 27, 2017

process of OTCG tube

February 27, 2017

process of Coated Steel Pipe

process of Coated Steel Pipe
February 27, 2017

process of LSAW Steel Pipe

Internal weld The device is controlled by microcomputer, which can automatically identify the flaw in the steel plate, give alarm, locate and mark according to the set standard of flaw detect and inspection; besides, it can comprehensively evaluate the inspection result, determine the flaw grade and print the inspection report […]
February 27, 2017

process of SSAW Steel Pipe

process of SSAW Steel Pipe
February 27, 2017

process of ERW steel pipe

process of ERW steel pipe  
January 21, 2018

ERW ,Spiral weld Pipe Definition and Manufacturing Process

Spiral steel pipe& Welded Pipe Manufacturing Process Spiral steel pipe & Welded Pipe is the primary manufacturing process for steel thicknesses that exceed spiral mill capabilities (greater than 1”). Electric resistance weld (ERW) pipe Definition :  is normally produced in sizes from 2-³∕₈” OD thru 24” OD.ERW is produced from […]
March 25, 2020

How to control the accuracy of stainless steel welded pipe?

Stainless steel welded pipe refers to steel pipe with strict dimension accuracy (tolerance range), good surface finish, roundness, straightness and uniform wall thickness. The main technical indexes of stainless steel welded pipe produced by this technology have met or partially exceeded the requirements of national standard GB12771-2002 and ISO4394/I-1980 (E). […]
April 2, 2020

API N80-1 Seamless Casing Pipe with BTC threads as per API 5CT

API N80-1 Seamless Casing Pipe with BTC threads N80 Seamless Casing Pipe includes N80-1 and N80-Q steel grades. These 2 grades are the same in both of chemical composition and mechanical properties. The only difference is the Heat Treatment. The latter one N80-Q steel pipe requires heat treatment before they […]
July 9, 2022

ASTM, JIS & EN SPECIFICATIONS:Chemical composition ,Mechanical properties,Bending test ,Hydrostatic test

Chemical composition ,Mechanical properties,Bending test ,Hydrostatic test, Flattening test, Bending test, Hydrostatic test PDF DOWNLOADS: ASTM A589 BS 1387 BS 3601 BS 3602 BS 1775 ASTM A135 ASTM A178 ASTM A252 ASTM A53 ASTM A500 ASTM A513 ASTM A249 ASTM A671 ASTM A672 JIS G3445 JISG3444,JIS A5525,JIS G3474 EN10255 EN10217-1 […]