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Our production lines(3" and 16" Pipe Line), having capacity of
350,000 metric tons per year, can meet all ranges of requirement of
high-grade and high-accuracy with the most up-to-date welding 
machinery and on-line coating system.
To meet various customers' requirement, we are equipped with automatic
coating system and our full line-up of products are ready for delivery
at your request as fast as we can.
Section Standardized Name Spec No
OCTG Line Pipe API 5L
Casing & Tubing Pipe API 5CT
Pipes for Ordinary Piping Pipes for General Ordinary Piping KS D 3507 JIS G 3452 ASTM A 53
Pipes for Pressure Service KS D 3562 JIS G 3454
Tubes for Structural Purposes Tubes for General Structural Purposes KS D 3566 JIS G 3444 ASTM A 500
Square &Rectangular Tubes KSD 3568 JIS G 3466 ASTM A 500
Tubes for Mechanical Structual Purposes KS D 3517 JIS G 3445
Licence Standardized Code Standardized Name Symbol permission Range Certification Number Acquisition Day Certification Company
API API 5L Line Pipe 5L Plain End at PSL1,PSL2 5L-0554 07.02.20 API
API 5CT Casing and Tubing 5CT Plain End at Group1 5CT-0762 07.02.20
KS KSD3507 Carbon Steel Pipes for Ordinary Piping SPP 300A and smaller 07-0176 07.05.09 KSA
200A and smaller 03-4040 03.02.21 KSA
KSD3562 Carbon Steel Pipes for Pressure Service SPPS 300A(Sch.40,80) and smaller 07-0177 07.05.09 KSA
150A(Sch.40,80) and smaller 200A(Sch.40) and smaller 04-0300 04.07.22 KSA
KSD3566 Carbon Steel Pipes for General Structural Purposes STK STK400,500,490: 318.5∅ and smaller 07-0178 07.05.09 KSA
STK400,490: 216.3∅ and smaller 03-4041 03.02.21 KSA
KSD3568 Carbon Steel Square Pipes for General Structural Purposes SPSR SPSR400,490: 250x250 and smaller 07-0179 07.05.09 KSA
SPSR400,490: 175x175 and smaller 200x150 and smaller 03-4042 03.02.21 KSA
JIS JISG3452 Carbon Steel Pipes for Ordinary Piping SGP All Grade, All Size KSKR0556 05.04.28 KSA
JISG3454 Carbon Steel Pipes for Pressure Service STPG All Grade, All Size KSKR0556 05.04.28 KSA
JISG3444 Carbon Steel Pipes for General Structural Purposes STK All Grade, All Size KSKR0555 05.04.28 KSA
JISG3466 Carbon Steel Square Pipes for General Structural Purposes STKR All Grade, All Size KSKR0555 05.06.30 KSA
ISO KS A 9001:2001 / ISO 9001:2000 Quality Management System QMS-2105 05.06.08 KSA
API ISO 9001, API Spec. Q1, ISO/TS29001     APIQR
KR KSD3562 Carbon Steel Pipes for Pressure Service RST 138-E-G, 142-E-G     KR
LR   Welded Pipes and Tubes in Carbon and Carbon-manganese Steel Max 323.8mm Diameter 17mm Wall Thickness   Lloyd's Register
DNV   Steel Tubes for Ordinary Pressure System Max 323.8mm Diameter 17mm Wall Thickness   Det Norske Veritas
GL   Steel Tubes for Pressure Piping   Gr. 360 / 410 / 510     Germanischer Lloyd