Mubea Precision Steel Tubes

Joint paths bring strong results. You define the requirements, we create the solutions. Let's combine our skills and strengths: experience, quality and expertise.

We support and accompany our customers as a long-term partner from the product idea through to series delivery. 

By efficiently linking our engineering and materials expertise with production and logistics processes, we focus specifically on customer requirements. 

The foundation for successful solutions and product innovations lies in our own process and tool development. 

As part of our process support, we coordinate cooperation between suppliers and partners. Long-term partnerships and dialog play a central role in this. 

Our processes are based on four core competencies: welding, heat treatment, drawing and processing.

We shape steel strip into various tube dimensions with energy and precision. We use high frequency to weld strip edges into a perfect whole. 

Comprehensive process and material expertise is crucial, especially when processing high-strength materials. Annealing creates a homogeneous material structure and serves as an optimal prerequisite for subsequent processing steps. The required product properties are achieved in a protective gas atmosphere using five-zone annealing furnaces. Drawing is a controlled test of strength between tool and material. The tubes are formed into complex shapes using individual processes. 

Thanks to in-house tool development, the most precise dimensional accuracy and maximum variety of shapes are achieved. 

Modern tube processing centers with numerous measuring options enable high-quality processing that is adapted to individual customer requirements.

Mubea Präzisionsstahlrohr AG manufactures welded-drawn tubes made of high-strength materials for one-piece drive shafts in automotive engineering. 

The tubes are usually cold-formed during production. For this reason, the manufacturers of Monobloc drive shafts place great importance on consistent forming properties and high dimensional accuracy of the processed tubes. Furthermore, high strength values with low surface decarburization are required after induction hardening. The trend towards lightweight construction is increasingly demanding higher-strength materials (> 34 MnB4), which enable weight savings to be achieved with comparable physical properties. 

The tubes for the one-piece drive shafts (monobloc) are cold-formed during production. For this reason, the manufacturers of monobloc drive shafts attach great importance to consistent forming properties and high dimensional accuracy when the tubes are delivered. Furthermore, high strength values with low surface decarburization are required after induction hardening. 

The trend towards lightweight construction is increasingly demanding higher-strength materials that can achieve weight savings with comparable physical properties.

Requirements:

• very good formability
• high torsional and fatigue strength
• high geometrical accuracy (eccentricity, roundness)
• excellent surface condition

Mubea Präzisionsstahlrohr AG manufactures welded and welded-drawn tubes and profiles from standard and high-strength materials. 

Their use in steering systems is very critical in terms of quality. The tight tolerances of the tubes and very good forming properties ensure problem-free production of the components. 

The use of modern high-strength materials enables further weight savings by reducing the wall thickness while maintaining the strength of the components.

Tube requirements:

• excellent formability
• high torsional and fatigue strength
• excellent weldability
• high geometrical accuracy
• excellent surface condition

The requirements for tubes for piston rods are diverse. The machining and finishing of the outer surface requires excellent tube surface quality. 

Very good, homogeneous forming properties are required for thread rolling. Tight tolerances ensure efficient production of the piston rods. High material purity ensures fatigue strength during operation. The requirement for lightweight construction can be met by using high-strength materials.

Tube requirements:

• high strength values (yield strength, tensile strength)
• excellent surface condition
• high fatigue strength
• very good geometrical accuracy
• good formability (sufficient elongation)

Mubea Präzisionsstahlrohr AG manufactures welded and welded-drawn precision steel tubes of the highest quality from high-strength heat-treated steels for stabilizers.

Applications in the automotive industry are very quality-sensitive. Failure of the component can be safety-relevant. A special option for lightweight construction is the production of tubes in drawn design with different wall thicknesses or through the use of high-strength materials, which allows additional weight savings to be achieved.

Tube requirements:

• very good formability
• high torsional and fatigue strength
• very good weldability
• high geometrical accuracy
• excellent surface condition

Mubea Präzisionsstahlrohr AG manufactures welded-drawn precision steel tubes from standard materials as well as high-strength steel grades for assembled camshafts. For camshaft manufacturers, precise concentricity, high roundness and straightness as well as tight dimensional tolerances are important factors when selecting tubes. Low surface decarburization enables partial hardening. 

These criteria guarantee optimum processing of the tubes on the production lines as well as problem-free operation of the installed camshaft in the engine. Due to the trend towards lightweight construction, high-strength materials are increasingly in demand. These materials make it possible to reduce weight while maintaining comparable physical properties.

Tube requirements:

• high strength values (yield strength, tensile strength)
• high torsional and flexural fatigue strength
• high geometrical accuracy
• excellent surface condition
• high strength and hardness according to Q+T