Hastelloy Tanks

Precision in stainless steel – your industrial partner for tank construction, piping, and sterile technology for over 25 years.Precision in stainless steel – your industrial partner for tank construction, piping, and sterile technology for over 25 years.
Hastelloy Tanks2025-05-22T05:05:11+02:00

Solutions for Extreme Requirements

Hastelloy tanks are the first choice when conventional stainless steel reaches its limits. Whether dealing with aggressive media, extreme pH values or high temperatures – we manufacture custom-designed pressure and process vessels from Hastelloy C-22, C-276 and other special alloys. At Weiss, maximum corrosion resistance meets certified manufacturing quality – documented, tested and ready for demanding processes in the chemical, pharmaceutical and environmental industries.

What Sets Our Hastelloy Tanks Apart

Our Hastelloy tanks offer maximum corrosion resistance, certified welding technology, and custom engineering – ensuring safe processes in aggressive, sensitive, or hygienic environments.

  • Maximum Corrosion Resistance
    Ideal for use with strong acids, chlorides and oxidizing agents.

  • Certified Welding Technology
    Our welders are qualified for special materials, and all production is fully documented.

  • Custom Planning & Material Selection
    Each tank is tailored to the medium, temperature, pressure and specific industry requirements.

  • Manufacturing According to All Relevant Standards
    Whether AD 2000, PED or DIN EN ISO – we provide legally compliant solutions with all necessary documentation.

Typical Applications for Hastelloy Tanks

  • Chemical Industry:
    Storage and reactor pressure vessels for acids, alkalis and oxidizing substances

  • Pharmaceuticals & Biotechnology:
    Sterile media handling with hygienically welded CIP/SIP tanks

  • Environmental Technology & Wastewater Treatment:
    Resistant to chlorides and aggressive media

  • Research & Development:
    Highly specialized pilot systems with full material traceability

Certified Safety for Demanding Processes

Rely on Proven Quality

Our Hastelloy tanks meet the highest safety standards – from planning through commissioning. You can rely on complete traceability, verified quality and documented production processes.

Our Certifications at a Glance:

  • AD 2000-Merkblatt HP0
    For manufacturing pressure-bearing components according to German technical regulations

  • DIN EN ISO 3834-3
    International welding standard – documented quality for every seam

  • CE Marking According to PED
    Approval under the European Pressure Equipment Directive for compliant operation

  • Authorized Personnel for Material Reidentification
    Three certified staff members ensure full traceability of all materials

Trust in Certified Hastelloy Expertise
Our solutions combine material expertise with certified production – for maximum process safety, even under extreme conditions.

Hastelloy Tanks for Highly Corrosive Processes

Extreme Conditions and Aggressive Media

Our Hastelloy tanks are specifically designed for applications where standard stainless steel is no longer sufficient. Whether high temperatures, highly corrosive media or hygienically sensitive processes – we deliver tailor-made Hastelloy tank solutions with certified quality and full documentation. Ideal for use in the chemical, pharmaceutical and process industries.

  • Chemical Industry:
    Storage and reaction under aggressive acids, alkalis and solvents

  • Pharma & Biotechnology:
    Sterile tanks for ultra-pure media, including validation

  • High-Temperature & Special Processes:
    Resistant to extreme thermal and chemical loads

Frequently Asked Questions About Hastelloy Tanks

Which certifications are important for Hastelloy tanks?2025-05-18T06:39:06+02:00

At Weiss Apparatebau, all Hastelloy tanks are manufactured according to the highest quality standards. These include:

– AD 2000-Merkblatt HP0 for pressure vessel manufacturing
– DIN EN ISO 3834-3 for documented welding quality
– CE marking in accordance with PED for legally compliant use within the EU
– Authorized personnel for material re-stamping, ensuring complete traceability of materials

These certifications are essential, especially in safety-critical and audit-relevant industries.

In which industries are Hastelloy tanks used?2025-05-18T06:39:57+02:00

Hastelloy tanks are deployed wherever conventional stainless steel falls short, including:
– Chemical industry: Processing and storage of highly corrosive liquids
– Pharmaceutical industry: Sterile production environments with the highest hygiene standards
– Biotechnology: Media vessels for ultra-pure substances
– Research & development: Pilot plants under extreme conditions
– Surface technology & electroplating: Use in electrochemical processes

How is a Hastelloy tank manufactured at Weiss Apparatebau?2025-05-18T06:38:21+02:00

The manufacturing of a Hastelloy tank is fully documented and follows certified procedures. From the initial needs assessment and individual planning to final production, we work closely with our customers.
Each component is precisely tailored to the respective process. State-of-the-art welding technology, material testing, and complete documentation ensure the highest quality and process reliability – ideal for GMP-compliant applications.

What are the advantages of Hastelloy tanks compared to stainless steel tanks?2025-05-18T06:40:42+02:00

Compared to stainless steel, Hastelloy tanks offer significantly higher resistance to chemical corrosion, stress corrosion cracking, and oxidation.
They are ideal for extreme process conditions involving high temperatures and aggressive media.
In addition, Hastelloy tanks are easy to clean and therefore suitable for sterile processes – a major advantage in pharmaceutical and biotech applications.

What are Hastelloy tanks and what are they used for?2025-05-18T06:41:20+02:00

Hastelloy tanks are made from a high-alloy nickel-based material specifically developed for use in extremely corrosive environments.
They are used wherever stainless steel is no longer sufficient – for example, in the storage or processing of aggressive acids, alkalis, or solvents.

Typical areas of application include:
– The chemical industry
– Pharmaceutical production processes
– High-temperature applications in process engineering

Still have questions?

Go to Top