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:
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.
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)
Approval according DNV-GL rules for classification – Ships Offshores Standard DNV GL-OS-B101
Norsok approval for M-650 Type 25Cr Duplex (UNS32760) in Open Die Forging (Thickness up to 200mm) and in Ring Rolling (Thickness up to 150mm)
ABS approval to supply forged components for marine applications
Norsok approval for M-650 ASTM A182 F44 in Open Die Forging (Thickness up to 180mm)
BV approval to supply Carbon Steel, Low & High Alloy Steel, Stainless Steel and Nickel Alloy Steel Forgings
| End user | Year | Project | Description | Materials |
|---|---|---|---|---|
 |
2023 | SHENANDOAH PROJECT (Gulf of Mexico) |
Pre-Machined Blinds, Welding Necks & Flanges | ASTM A-694 F-65 |
 
|
2022 | Bacalhau Oil Field Development (Brazil) |
Pre-Machined 12″& 20″ Welding Necks (with Alloy 625 cladding) | ASTM A-694-16 F-70 & ASTM A-694-16 F-65 |
 
|
2022 | DARWIN LNG PROJECT CLAMPS (Australia) |
“Pre-Machined Rings and Flanges for Taper Housing Spacers, Twin & Seal Housing. Pre-Machined Rings for Outer, Inter & Inner Taper Housing. Pre-Machined Rings for Ball Cage Retract rings.” |
ASTM A-694 Grade F-60, 34CrNiMo6 (1.6582) & ASTM A-350-18 LF-2 Cl-1 |
|
2022 | ELDFISK NORTH PROJECT (Southern North Sea – Norway) |
Pre-Machined Flanges, Swivel, Blinds, Fittings & Seal Rings. | ASTM A-182-20 F-55, ASTM A-694-16 F-65, ASTM B-564-19 UNS N06625 & ASTM A-182-19 F-316 |
|
2020 | EUROPIPE II Tie-in & HEIMDAL Subsea Bypass (North Sea) |
Machined Optima Male & Female Hubs and Blinds (With Alloy 625 Overlay) | ASTM A-694-16 F-65 |
 |
2020 | Q1 & Q2 NEW GAS WELLS (Oman) |
Pre-Machined Forged Bodies, Wedges, Cylinders, Cages & Bonnets | ASTM A-182-19 F-51 |
 |
2019 | PROVISION OF FEED SERVICE OFR NFPS INVESTMENT-1, PROJECT-1 (Qatar) |
Pre-Machined rings | ASTM A-694-16 F-60 |
|
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.