What are square tubes and what are their primary industrial applications?

Square tubes (Vierkantrohre) are hollow structural profiles with equal width and height dimensions, primarily used in mechanical engineering for building frameworks, workstation systems, and assembly platforms. The Bosch Rexroth 50x50x2mm square tubes are commonly deployed in manufacturing environments for constructing ESD workbenches, conveyor supports, machine frames, and modular assembly systems. These profiles serve industries including automotive manufacturing, electronics assembly, pharmaceutical production, and general mechanical engineering where precise dimensional stability and structural integrity are essential.

What are the key technical selection criteria for industrial square tubes?

Square tube selection depends on cross-sectional dimensions, wall thickness, and length requirements for the specific load-bearing application. The Bosch Rexroth 3842992913 series features 50x50mm outer dimensions with 2mm wall thickness, providing optimal strength-to-weight ratio for medium-duty structural applications. Critical selection factors include moment of inertia for deflection calculations, material grade for corrosion resistance, and compatibility with standard connection systems. The 1000mm standard length option allows for efficient material utilization while custom cutting services accommodate specific project requirements.

Which standards and certifications apply to industrial square tube profiles?

Industrial square tubes must comply with DIN EN 10305 standards for cold-drawn welded steel tubes and ISO 12633 for dimensional tolerances of structural hollow sections. Bosch Rexroth profiles meet ISO 9001 quality management standards and adhere to European CE marking requirements for structural components. Material composition follows EN 10025 specifications for structural steels, while surface treatments comply with ISO 12944 corrosion protection standards. For specific applications, additional certifications may include ATEX compliance for explosive atmospheres and FDA approval for food industry applications.

What are the differences between standard length and custom-cut square tube variants?

The Bosch Rexroth 3842992913-1000 represents the standard 1000mm length variant with fixed dimensions, while the 3842992913 base model offers custom cutting services (Zuschnittpreis) for project-specific requirements. Standard lengths provide immediate availability and cost optimization for common applications, whereas custom cutting enables precise fitting for complex assemblies and reduces material waste. Both variants maintain identical 50x50x2mm cross-sectional specifications and material properties, with custom cutting typically involving additional processing time and per-meter pricing calculations based on the required finished length.

What installation requirements and connection methods apply to square tube systems?

Square tube installation requires compatible connection elements including corner brackets, T-joints, and end caps designed for the 50x50mm profile dimensions. Bosch Rexroth systems utilize standardized fastening methods with M8 or M10 bolted connections, ensuring reliable assembly without welding requirements. Installation demands precise cutting to length, deburring of cut edges, and proper alignment during assembly to maintain structural integrity. The modular design enables easy reconfiguration and expansion of existing systems, with connection points accommodating both rigid and adjustable joint configurations for various mechanical requirements.

What are the operating conditions and safety specifications for square tube profiles?

Industrial square tubes operate effectively within temperature ranges from -20°C to +80°C for standard applications, with material properties maintaining structural integrity across this spectrum. The steel construction provides inherent fire resistance meeting building code requirements, while the smooth surface finish reduces injury risk during handling and maintenance. Load ratings depend on span length and support configuration, with typical working loads ranging from 500N to 2000N for the 50x50x2mm profile under distributed loading conditions. Proper installation ensures compliance with workplace safety regulations and mechanical stability requirements.

What maintenance and inspection requirements apply to square tube structural systems?

Square tube systems require annual visual inspection for structural integrity, checking connection tightness, surface corrosion, and dimensional stability under operational loads. Preventive maintenance includes quarterly cleaning of surfaces to remove contaminants that could accelerate corrosion and semi-annual verification of joint torque specifications per manufacturer guidelines. Expected service life exceeds 20 years under normal industrial conditions when properly maintained, with replacement indicators including visible deformation, joint loosening, or surface corrosion exceeding 10% of wall thickness. Documentation of inspection results ensures compliance with industrial safety standards and facilitates predictive maintenance planning.

Rectangular tube Bosch Rexroth

Strut profiles Bosch Rexroth

Bosch Rexroth square tubes (Vierkantrohre) are precision-formed structural profiles designed for integration into aluminium framing systems, conveyor frames, and modular machine guarding. With wall thicknesses calibrated to DIN EN 10305 and cross-sections matched to the Bosch Rexroth profile grid (20, 30, 40, 45, 60 and 80 mm series), these tubes provide torsional rigidity and load-bearing capacity far beyond standard hollow sections. Yield strengths typically exceed 250 N/mm², and surface finishing meets ISO 1461 or powder-coat Class C3 for corrosion resistance in industrial environments.

As an authorised distributor of Bosch Rexroth Mechanical Basic Elements, esd.equipment supplies Vierkantrohr profiles that slot directly into the Rexroth MPS and TS 2plus / TS 5 assembly systems. The current catalogue covers 2 stocked variants, each compatible with standard Rexroth connecting elements, end-caps, and angle brackets - enabling fast, tool-minimal reconfiguration on the shopfloor. All profiles conform to CE marking requirements and are traceable to material certificates per EN 10204 3.1.

Key technical advantages - Vierkantrohr at a glance

⚙ Grid-compatible cross-sections - 20 to 80 mm Rexroth profile series, direct bolt-in fit

🛡 Yield strength > 250 N/mm² - precision cold-formed, DIN EN 10305 tolerances

🛠 Tool-minimal assembly - compatible with standard Rexroth connectors and angle brackets

⚡ Torsional rigidity - closed square section resists twisting under dynamic conveyor loads

🔍 EN 10204 3.1 traceability - full material certificates available per delivery batch

✓ CE-marked profiles - compliant with applicable EU machinery directive requirements

Typical application areas: Modular assembly workstations and production lines (DIN EN ISO 9001, Bosch Rexroth MPS standard), conveyor frame structures (ISO 14644 cleanroom-compatible configurations), machine guarding and protective enclosures (Machinery Directive 2006/42/EC), lean manufacturing and 5S shopfloor equipment (IPC-A-610 electronics assembly environments), automotive body-in-white fixture frames (IATF 16949), and general mechanical engineering sub-structures requiring dimensionally stable hollow sections (DIN EN 10305).

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Authorised Bosch Rexroth Distributor Genuine Rexroth Vierkantrohr profiles with OEM traceability and material certificates

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Stock Availability Stocked variants for immediate dispatch - compatible with TS 2plus, TS 5 and MPS systems

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Norm-Compliant Profiles DIN EN 10305, EN 10204 3.1 certificates, CE marking - ready for regulated production environments

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