Mandrel bars
As a leading manufacturer of mandrel bars, we supply precise and robust solutions made from quenched-and-tempered and heat-resistant special steels.
Manufacturing is carried out by rolling or forging, quenching and tempering, peeling and CNC machining. Thanks to state-of-the-art technologies, we offer customized solutions from pre-material supply through to the finished mandrel bar.
Production is carried out at GeisslerWista GmbH, certified to ISO 50001 and ISO 14001 for energy-efficient and sustainable processes.
Specifications
Mandrel bars
Samples from our Portfolio
Samples from our Portfolio
Material no.
1.2740
Name
28 NiCrMoV 10
Material no.
1.2342
Name
X35CrMoV5-1
Material no.
1.2344
Name
X40 CrMoV5-1
Contact
We manufacture all our products to customer specifications. So what are your specifications?
Please feel free to contact us. Together we will find your perfectly customized solution.
Zafer Anil Özer
Senior Sales Manager Mandrel Bars, Peeled Bars & CNC
What Sets Us Apart
- A leading supplier of mandrel bars in a wide range of dimensions, with lengths up to 26 m.
- Customized machining up to the ready-to-install component: rolling or forging, contract peeling, CNC machining, hardening and surface finishing.
- Certified quality and sustainability: production in accordance with ISO 50001 (energy management) and ISO 14001 (environmental management) for energy-efficient and resource-conserving processes.
- Maximum flexibility and on-time delivery: individual solutions, short-notice delivery options and close collaboration in planning and post-processing.
- Comprehensive inspection and documentation options: inspection certificates to EN 10204 3.1/3.2, TÜV inspections, hardness testing (HRC, Vickers).
Contact
We manufacture all our products to customer specifications. So what are your specifications?
Please feel free to contact us. Together we will find your perfectly customized solution.
Zafer Anil Özer
Senior Sales Manager Mandrel Bars, Peeled Bars & CNC
Machining & Finishing Possibilities
To manufacture our mandrel bars, we use modern machining technologies to ensure maximum precision and quality. We offer:
- Contract peeling, sawing and straightening — for matched fixed lengths as well as precise roundness and straightness
- Turning, milling and machining (CNC) — for complex geometries and customized ready-to-install components
- Hardness testing (HRC and Vickers) — to verify the specified strength and hardness values
- Chrome plating — via a reliable external partner
Contact
We manufacture all our products to customer specifications. So what are your specifications?
Please feel free to contact us. Together we will find your perfectly customized solution.
Zafer Anil Özer
Senior Sales Manager Mandrel Bars, Peeled Bars & CNC
Typical Applications
Our mandrel bars are used in the manufacture of seamless tubes where maximum load-bearing capacity, precision and reliability are required:
- Tube manufacture: production of seamless rolled tubes, e.g. for the transportation of hydrogen.
Contact
We manufacture all our products to customer specifications. So what are your specifications?
Please feel free to contact us. Together we will find your perfectly customized solution.
Zafer Anil Özer
Senior Sales Manager Mandrel Bars, Peeled Bars & CNC
Further processing possibilities
Mechanical processing options
Grounding
Descaling
Surface treatment
Chromium-plating
Case-hardening
What you can expect
Raw material recycling
We use almost 100% scrap in our low-CO2 steel production, thereby enabling closed loops
High depth of added value
Added value from a single source, even with smaller batch sizes
High-quality product expertise
Supplying well-known tube manufacturers