Doowon Highsteel Large-Diameter Pipe — Qatar and GCC
The Concept Global is the authorised operating partner for Doowon Highsteel in Qatar and the GCC,
providing large-diameter welded pipe for LNG, offshore, oil and gas, naval, and water infrastructure projects.
Doowon Highsteel was established in 2009 in Gimhae, South Korea.
Product Range
- Stainless Steel Pipe — TP304/L, TP316/L, TP321, TP347. Up to 120 inches OD. ASTM A240, A312, A358, A480.
- Duplex and Super Duplex — S31803, S32750. High corrosion resistance for offshore and chemical processing.
- Carbon Steel Pipe — API 5L B–X80. Up to 140 inches OD. ASTM A53, A106, A234, A333, A671, A672, A691.
- Copper-Nickel Pipe — C70600 (90/10), C71500 (70/30). Up to 40 inches OD. ASTM B466/B467, MIL-T-16420K.
Certifications
Class certified by ABS, Bureau Veritas, DNV-GL, Lloyd's Register, Korean Register, and Russian
Maritime Register. ISO 9001:2015, ISO 14001:2015, ISO 45001:2018. Wall thickness up to 80T.
Approved Vendor Status
QatarEnergy, Samsung Heavy Industries, Hanwha Ocean, DOOSAN Enerbility, Samsung C&T,
GS Engineering, Daelim Engineering, Kuwait Oil Company, KNPC. Project track record includes
Petronas-ZLNG and ENI Coral North FLNG.
Contact: accelerate@theconcept.global | +974 4433 5932 | West Bay, Doha, Qatar
Doowon Highsteel — أنابيب ملحومة كبيرة القطر — قطر والخليج
ذا كونسبت جلوبال هي الشريك التشغيلي المعتمد لشركة Doowon Highsteel في قطر والخليج. أنابيب ملحومة كبيرة القطر لمشاريع الغاز المسال والنفط والغاز البحرية والبنية التحتية للمياه.
الفولاذ المقاوم للصدأ، دوبلكس وسوبر دوبلكس، الفولاذ الكربوني، النحاس والنيكل. معتمد من QatarEnergy وSamsung Heavy Industries وHanwha Ocean.