Integrated Welding and Machining Solutions from a Single Source

Integrated. Efficient. Reliable.

Weiss Apparatebau is your single-source partner for stainless steel processing. We combine high-quality stainless steel welding with precision machining under one roof.

The result: Stainless steel welded assemblies and structures are manufactured entirely in-house, without detours through third parties. Welding and machining are seamlessly integrated at our facility, enabling complete production without external interfaces. You benefit from short lead times, minimal coordination effort and consistently high quality for every component.

Quality Manufacturing from a Single Source

This full-service approach is particularly valuable in equipment manufacturing, plant engineering and mechanical engineering. As stainless steel specialists with our own machinery, we support your project from the initial design to the finished component, with one central point of contact.

What You Can Rely On
Fewer Interfaces. Shorter Lead Times. One Point of Contact.

Short Lead Times

Our in-house production eliminates external transport routes and waiting times. Welding and machining are coordinated and carried out in parallel, significantly reducing lead times.

One Point of Contact

You have a dedicated project manager who supports your project from start to finish. Communication through a single point of contact means clear agreements, fast response times and full transparency regarding project status.

Fewer Interfaces

Every production step, from welding to CNC machining, takes place under one roof. This greatly reduces coordination effort and minimizes potential errors at interfaces.

High Process Reliability

Complete control over every production step enables us to ensure consistently high quality. Our continuous quality inspections make sure every part meets the specified requirements, providing maximum process reliability and dependability.

Verified Quality – Documented, Traceable, Reliable

Certified Stainless Steel Manufacturing for Demanding Equipment and Plant Engineering Applications

Our production follows recognized quality standards and is consistently designed for process reliability, traceability and reproducibility. Every step, from material selection and welding to mechanical machining, is documented and controlled. This creates stainless steel components and assemblies that reliably meet the demanding requirements of industrial applications.

Quality Assurance Throughout Every Production Phase

  • Professional welding using documented procedures in accordance with AD 2000 HP0 and DIN EN ISO 3834-2

  • Material selection tailored to the application and requirements, such as stainless steel grades 1.4571 and 1.4404 or special materials

  • Continuous inspection and production documentation across every process step

  • Inspection certificates, material documentation, and leak and functional testing as specified

  • Reproducible quality for one-off parts, assemblies and repeat production

Certified Stainless Steel Manufacturing for Your Project
Talk to us about your requirements. We support you with verified production processes, clear documentation and one central point of contact, from the initial idea to the finished component.

Applications for Our Integrated Stainless Steel Manufacturing

Customized welding and machining solutions for applications where precision and process reliability matter

Our integrated welding and stainless steel machining capabilities are used wherever complex assemblies, demanding quality requirements and clearly defined processes are essential. Combining every production step under one roof allows us to create precisely tailored solutions for a wide range of industrial applications.

Typical Applications:

  • Equipment and vessel manufacturing

  • Plant and systems engineering

  • Mechanical engineering and special-purpose machinery

  • Industrial piping and assembly manufacturing

  • Custom stainless steel fabrications

  • Pharmaceutical, chemical and food industries

Our Services at a Glance

  • Welded stainless steel assemblies with final mechanical machining

  • Structures and components manufactured to drawings or specifications

  • High-precision assembly manufacturing

  • Integrated production processes without external interfaces

  • One-off parts, assemblies and repeat production

  • Surface finishing: pickling, passivation and grinding

  • Express service for repairs and shaft rework

Our Materials Expertise

We exclusively process common stainless steel grades and special alloys, including V2A / V4A / 1.4301 / 1.4404 / 1.4571 / 1.4539. Our stainless-steel-only environment consistently prevents foreign-rust contamination and cross-contamination.

Our Manufacturing Capabilities at a Glance

Machining stainless steel requires extensive expertise, robust machinery and strict separation from other materials. As specialists, we manufacture your precision parts, fixtures and small batches exclusively from high-quality stainless steel materials, entirely in-house, efficiently and with complete documentation.

CNC Bed Milling Center | REIDEN BFR 1

  • Working area: 1,200 × 600 × 700 mm

  • Control: HEIDENHAIN iTNC 530

  • Highlights: Flexible swivel head for high-precision angular and multi-sided machining. Extremely rigid cast construction and high torque for heavy-duty machining of tough stainless steels.

Universal Tool Milling Machine | MAHO MH 800

  • Working area: 800 × 500 × 450 mm

  • Control: Philips CNC 432

  • Highlights: Combined horizontal and vertical milling. Ideally suited to precision manufacturing of fixtures, tools and custom components made of stainless steel.

Conventional Center Lathe | VDF

  • Dimensions: swing diameter 500 mm |
    Distance between centers 2,000 mm

  • Highlights: Exceptional pulling power for machining long stainless steel shafts, rollers and axles. Express service for rapid repairs and shaft rework during machine downtime.

Conventional Center Lathe | MEUSER

  • Dimensions: swing diameter 450 mm |
    Distance between centers 2,000 mm

  • Highlights: Extremely torsion-resistant cast construction that effectively prevents geometry errors and tool chatter when machining tough stainless steel. Ideal for high-precision manual turning of long stainless steel components and cutting accurate threads.

A Look at Our Manufacturing Quality

The following photographs of completed products provide a brief insight into our manufacturing quality.

Technology That Connects

Integrated Manufacturing for Demanding Projects

We develop and manufacture stainless steel assemblies with extensive in-house capabilities, from welded structures to final mechanical machining. Clear processes, short communication paths and one central point of contact enable us to deliver customized solutions efficiently and reliably.

How Your Project Works with Us

Structured. Transparent. Reliable.

01.
Requirements & Technical Coordination

You describe your requirements and operating conditions. We assess feasibility, application and technical details, then define the right approach for integrated manufacturing.

02.
Design &
Approval

Based on your specifications, we develop a production-ready design. Following coordination and approval, we finalize the design for in-house manufacturing.

03.
Manufacturing & Quality Assurance

Production takes place entirely in-house, from welding to final mechanical machining. Every step is inspected and documented to ensure consistent quality.

04.
Delivery & Support

Once production is complete, we deliver on schedule and with secure transport. We remain available as your point of contact after delivery.

Why Weiss Apparatebau?

As your partner for integrated stainless steel manufacturing, we combine welding and mechanical machining entirely under one roof. Our experienced team supports your project from technical coordination to the finished assembly, with clear processes, short communication paths and one central point of contact.

With extensive in-house manufacturing, certified welding procedures and modern machining technology, we deliver customized solutions for equipment manufacturing, plant engineering and mechanical engineering.

25+

Years of Experience in Plant Engineering

100+

Stainless Steel Structures per Year

98%

Customer Satisfaction

100%

Focus on Stainless Steel & Certified Manufacturing

Frequently Asked Questions About Welding and Machining Solutions

Answers to key questions about welding, mechanical machining, quality assurance and project workflows, all from a single source.

Any Further Questions?

Custom stainless steel assemblies and systems, welded and mechanically machined through integrated manufacturing.Custom stainless steel assemblies and systems, welded and mechanically machined through integrated manufacturing.