M. A. International manufactures and exports Duplex Steel UNS S31803 Flanges from our Mumbai facility to buyers across Qatar. Our Duplex Steel UNS S31803 Flanges are manufactured to ASTM A790/A928 (pipes), A815 (fittings), A182 (flanges), A240 (sheet/plate), with full mill test certificates and third-party inspection (Lloyd's, DNV, Bureau Veritas, SGS) available on request.

We supply Duplex Steel flanges with documentation packages built to match QatarEnergy and general EPC contractor specification requirements common on Qatar tenders.

Our export desk regularly ships Duplex Steel UNS S31803 Flanges to project sites, free zones and industrial areas across Qatar, including:

  • Ras Laffan — Ras Laffan Industrial City - LNG, petrochemicals, Ras Laffan Port
  • Mesaieed — Mesaieed Industrial City - oil refining, petrochemicals, iron & steel, Mesaieed Port
  • Umm Alhoul — Umm Alhoul Free Zone, near Hamad Port
  • Ras Bufontas — Ras Bufontas Free Zone, near Hamad International Airport
  • Doha — Capital and Dukhan oil field area

Typical sea freight transit via Mumbai/Nhava Sheva to Hamad Port is 8-10 days; air freight is available for urgent shutdown/turnaround orders.

Yes. We regularly ship Duplex Steel UNS S31803 Flanges from Mumbai to Ras Laffan and other Qatar project sites, with full mill test certificates and third-party inspection on request.

Our Duplex Steel UNS S31803 Flanges are manufactured to ASTM A790/A928 (pipes), A815 (fittings), A182 (flanges), A240 (sheet/plate), with documentation compatible with Qatar project specification requirements (QatarEnergy and general EPC contractor norms).

We accommodate both bulk project orders and smaller trial/sample orders for Qatar buyers - contact our export desk with your size and schedule requirements.

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