Wholesale LSAW Steel Pipe, Large Diameter Welded Steel Pipe_Hebei Haiqianwei Steel Pipe CO.,LTD

JIS standard Longitudinal Submerged Arc welding Steel Pipe
American Standard carbon steel pipe
EN standard Longitudinal Submerged Arc welding Steel Pipe
API 5L PSL1 Longitudinal Submerged Arc welding Pipeline

Our company has established a complete joint quality control system of ISO9001:2008/API Q1/pressure pipeline compents production, implements institutionalized management,programmed operation,and achieved nine 100% qualified controlling rate, which are:100% ultrasonic flaw detection for the material plate;100% automatic on-line UT test after welding; 100% whole-length seam X-ray test; 100% inside weld line industrial TV test; 100% hydrostatic test; 100% automatic on-line seam UT test after hydrostatic test, expanding; 100% X-ray test and make X-ray film or picture record on pipe ends; 100% pipe appearance and plate appearance inspection, and all above tests are proceeded by quality control department.The purpose is to ensure our product to meet standard requirement and satisfy the users.

Metallurgical Microscope

ABOUT US
Our company uses the most advanced technology of JCOE LSAW steel pipe manufacture in the world wide, specialized in producing heavy calibre LSAW steel pipe. The product line adopts PID automatic controlling continuous J-C-O forming technology, and the advantages of the product line are as below: high speed, high quality, low stress distribution, and low tolerance of size.
DETAILS
CONTACT US

TEL : +86-0317-6091369/6091199/8526088/8526080/8526070/
8526076/8526096/8526085/8526078/8526095

Fax Number : +86-0317-6091368

Website : www.hqwsteelpipe.com

E-MAiL : bright@hspc.cc

RECOMMENDATION
  • JIS standard Longitudinal Submerged Arc welding Steel Pipe
  • American Standard carbon steel pipe
  • EN standard Longitudinal Submerged Arc welding Steel Pipe
  • API 5L PSL1 Longitudinal Submerged Arc welding Pipeline
  • API 5L PSL2 Longitudinal Submerged Arc welding Pipeline
  • ISO3183 Steel Pipe Line Pipe
  • Hebei Haiqianwei Steel Pipe CO.,LTD