Grupo Riza
Spain, 20709 Ezkio Itsaso
Overview
About Grupo Riza
Who we are
At Grupo Riza, we specialize in forging, heavy metal fabrication, and heat treatment, delivering high-strength and lightweight components for industries such as automotive, railway, energy, and heavy machinery. With over 65 years of experience, we combine cutting-edge technology and rigorous quality control to ensure precision and durability in every piece we manufacture. Our team is committed to providing customized solutions, adapting to the specific needs of our clients while maintaining efficiency, reliability, and innovation in every project.
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Ezkio Itsaso, Spain
Member since 2025
Employees200 - 500
Certificates2
Turnover50 - 100 Mil.
Year of foundation1947
Marketing documents
Competencies
Technologies
Solid Forming
| Technologies | Lotsize | Length | Diameter | Weight |
|---|---|---|---|---|
Drop forging | 20–100 k | — | — | 0–20,000 kg |
Open die forging | 1–50 | — | — | 0–8,000 kg |
Ring rolling | 20–100 k | 20–600 mm | 400–4,000 mm | 0–20,000 kg |
Materials
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Industries
Drive and gear engineering
Certificates
ISO 9001:2015
ISO 14001
Parts & Machines
Parts (4)
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Hollow shafts
TechnologyCompression moulding
MaterialCase hardening/tempering steel
Dimensions
Height415 mm
Width415 mm
Length465 mm
Weight20 mm
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Axle shafts
TechnologyCompression moulding
MaterialCase hardening/tempering steel
Dimensions
Weight20 mm
Width178.3 mm
Height178.3 mm
Length650 mm
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Break disks for railways
TechnologyCompression moulding
MaterialCase hardening/tempering steel
Dimensions
Width287 mm
Length287 mm
Height241 mm
Weight500 mm
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Geared wheels
TechnologyDrop forging
MaterialSteel
Dimensions
Weight80 mm
4 Parts
Compression moulding3
Drop forging1
Contact
Location
Main locationBarrio Santa Lucia s-n, 20709 Ezkio Itsaso, Spain
Company contact
Contact persons
PA
Pablo Arrizabalaga
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