Gainza Forge SL

Located in the Basque Country, North of Spain, GAINZA FORGE is a well-known forge (Open Die Forging & Ring Rolling) and machining company (under Norm or Customer drawing), focused on the most demanding markets such as Off-Shore / Subsea, Nuclear, Ship-building, Thermal Energy and Petrochemical with a max. capability up to 40 Tn / Piece (44 US Tn)

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Pic legend 1: Located in the Basque Country, North of Spain, GAINZA FORGE is a well-known forge (Open Die Forging & Ring Rolling) and machining company (under Norm or Customer drawing), focused on the most demanding markets such as Off-Shore / Subsea, Nuclear, Ship-building, Thermal Energy and Petrochemical with a max. capability up to 40 Tn / Piece (44 US Tn)

General information

Company name

Gainza Forge SL
Address

Barrio Agote, 7
Web

https://www.gainzaforge.com
Turnover

17.40 million EUR in year 2025

Employees

50 in year 2025
SME

YES
Contact Info:

Phone

943 147 871
Email

gainza@gainzaforge.com

Activity and Skills

Located in the Basque Country, North of Spain, GAINZA FORGE is a well-known forge (Open Die Forging & Ring Rolling) and machining company (under Norm or Customer drawing), focused on the most demanding markets such as Off-Shore / Subsea, Nuclear, Ship-building, Thermal Energy and Petrochemical with a max. capability up to 40 Tn / Piece (44 US Tn)

- Founded in 1978, GAINZA FORGE is a family owned company and all along these years our aim has been to become a
forging partner for our customers, having established long term relationships.
- We offer customized solutions with tailored forgings in a wide range of sizes and materials.
- Reliability, an outstanding service, customer orientated management, competitive deadlines and above all premium quality, are the key factors of our policy that has placed us at the highest positions in demanding markets becoming a strategic forging supplier.

Contracts for Big Science facilities

[IFMIF-DONES - PRIME CONTRACTOR ] 2Un. Premachined ring dia. - X2CrNiMo17-12-2 (1.4404) EN 10222-5 (2026 - 2026)

[IFMIF-DONES - PRIME CONTRACTOR ] 4Un. Premachined disc dia. - X2CrNiMo17-12-2 (1.4404) EN 10222-5 (2026 - 2026)

[CERN] 3Un. Premachined block - X2CrNiMo17-12-2 (1.4404) EN 10222-5 (2025 - 2025)

[CERN] Stainless steel forged blanks for ultra-high vacuum applications (2024 - 2025)

80Un. Premachined forged blank ring UHV dia. - X2CrNiMoN17-13-3 (1.4429) EN 10222-5 440Un. Premachined 3d forged blank ring UHV fixed flange dia. - X2CrNiMoN17-13-3 (1.4429) EN 10222-5 240Un. Premachined 3d forged blank ring UHV rotatable flange dia. - X2CrNiMoN17-13-3 (1.4429) EN 10222-5

[CERN] MS HGGal Detector (2023 - 2023)

41Un. Machined ring dia. - X2CrNi19-11 (1.4306) EN 10222-5 1Un. Machined flange dia. - X2CrNi19-11 (1.4306) EN 10222-5 3Un. Rough forged ring (sacr. forging) f.d. dia. - X2CrNi19-11 (1.4306) EN 10250-4

[CERN] Machined flanges and rings (2022 - 2023)

1Un. Machined flange dia.- X2CrNi18-9 (1.4307) EN 10222-5 2Un. Machined ring dia. - X2CrNi18-9 (1.4307) EN 10222-5

[ITER ORGANIZATION - PRIME CONTRACTOR ] FUS072 MITICA (Plasma heating system) (2021 - 2021)

10 Un. Rough forged block M.T.- ASTM A-182 F-316L- EN-10204/3.1

[ITER ORGANIZATION - PRIME CONTRACTOR ] Machined flanges for ITER (2021 - 2022)

4Un. Machined forged piece dia. - X2CrNi18-9 (1.4307) EN 10222-5 4Un. Machined flange type 21b dn25 600# dia. - X2CrNi18-9 (1.4307) EN 10222-5 4Un. Machined counterflange type 11b dn25 600# dia. - X2CrNi18-9 (1.4307) EN 10222-5 4Un. Machined virole dia. - X2CrNi18-9 (1.4307) EN 10222-5 8Un. Machined flange dia. - X2CrNi18-9 (1.4307) EN 10222-5 8Un. Machined counterflange type 11b dn150 600# dia. - X2CrNi18-9 (1.4307) EN 10222-5