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Off-Shore & Subsea

Off-Shore & Subsea

Gainza Forge has a long experience manufacturing forged pieces for the Off-Shore & Subsea applications and specially in underwater connections at great depths and low temperatures. We provide forging solutions for critical applications according customer drawings with the highest quality, complying with strict specifications and with competitive & flexible delivery times.
A long investigation in materials with several R&D centres has allowed us to obtain a deep knowledge in materials that are typically used in the market (A694 F65, A182 F22, A182 F51, A182 F55, A182 F44, A322 4140, A322 GR4130, A322 8630…).

Typical Products:

  • Weld Neck Flanges
  • Swivel Flanges
  • Blind Flanges
  • Hubs
  • Anchor Flanges
  • Wyes
  • Special Parts

Our services include rough or final machined forgings (including weld overlay). We also support our customers with the quality documentation that is required in the markets and our internal Testing Laboratories allow us to give a complete service.

Certificates


  • NORSOK M-650 Type 22Cr Duplex (UNS31803)

    Norsok approval for M-650 Type 22Cr Duplex (UNS31803) in Open Die Forging (Thickness up to 200mm) and in Ring Rolling (Thickness up to 200mm)


  • DNV-GL

    Approval according DNV-GL rules for classification – Ships Offshores Standard DNV GL-OS-B101


  • NORSOK M-650 Type 25Cr Duplex (UNS32760)

    Norsok approval for M-650 Type 25Cr Duplex (UNS32760) in Open Die Forging (Thickness up to 150mm) and in Ring Rolling (Thickness up to 150mm)


  • AMERICAN BUREAU OF SHIPPING

    ABS approval to supply forged components for marine applications


  • NORSOK M-650 ASTM A182 F44

    Norsok approval for M-650 ASTM A182 F44 in Open Die Forging (Thickness up to 180mm)
     


  • BUREAU VERITAS Marine & Offshore Division

    BV approval to supply Carbon Steel, Low & High Alloy Steel, Stainless Steel and Nickel Alloy Steel Forgings

Gallery

Main projects

End user Year Project Description Materials
2018-2019 TROLL 3 PHASE PROJECT
(North Sea)
36” Connections Systems – 36” Male & Female Hubs & Blinds Fully machined & Weld Overlay included ASTM A-694 F65
2018 JOHAN CASTBERG PROJECT
(Barents Sea)
Machined 10”, 14”, 18”, 24” & 32” Forgings and Nozzels for Heat Exchangers X2CrNiMoN22-5-3 (1.4462)
2018 CONFIDENTIAL Fully Machined 24” LWN, BL & Weld Test Piece for Drilling & Production System ASTM A-694 F60
2018 BRENT BYPASS PROJECT
(Central North Sea – Norway)
– Pre-Machined 36” SPO WN & Blinds & 36” Seal Rings
– 36” Connector Fully machined & Weld Overlay included
ASTM A-694 F60, ASTM B-564 UNS N06625, ASTM A-705 TP630 CONDITION H1150M
2017 SUR DE TEXAS-TUXPAN TULA PIPELINE
(Mexico – USA)
Pre-Machined 42” Female & Male WN Flanges, Swivel Inners & Outers, Male Blinds, Seal Rings and Weld Test Rings ASTM A-694 F65
2015-2018 EGINA PROJECT
(Nigeria)
– Top Assembly Pipelines Gooseneck Connectors Supply
– Top Assembly Pipelines Coil Tubing, Hanger Spool & Forged Y Pieces Supply
– Top Assembly Gooseneck Hubs & OOL Counter Hubs
– OOL Bend Stiffener Connectors
– Jumper Bend Stiffener Connectors
– Pulling / Test Heads
ASTM A-694 F65 (Sweet & Sour Service), ASTM A-694 F52, ASTM A-182 F-22 65K
2016-2017 KAOMBO PROJECT
(Angola)
– SURF Forged Pieces (Pre-Machined 16”, 14” & 12” Bulkhead WN, LWN & WQTR)
– SURF Structures Forged Pieces
– BSC Outboard – FPSO Side
ASTM A-694 F65 (Sweet & Sour Service) & ASTM A-694 F52
2015-2016 JOHAN SVERDRUP PROJECT
(North Sea)
– Fully Machined 36”, 20” & 18” Riser Top & Bottom Anchor Flanges
– Pre-Machined 20”, 18”, 16” & 14” Female WN, Swivel Inner & Outer, Male & Female Flanges
– Pre-Machined 18”, 16”, 14” & 12” Female & Male Hubs & Blinds
ASTM A-694 F65
2015-2016 WEST NILE DELTA PROJECT – Pre-Machined 24” Male & Female Hubs, Spools & Blinds
– Pre-Machined pieces for 24” Clamps
– Pre-Machined 26” Hubs & Blind

ASTM A-694 F65 & ASTM A-182 F-22 75K
2014 POLARLED PROJECT
(North Sea)
Pre-Machined 36” Male & Female Hubs, Blinds, Weld Test Rings & Laydown Head Male Hub ASTM A-694 F65

If you would be interested in receiving the complete information of our Off-Shore / Subsea Supply History, send your request in the CONTACT SECTION.