Special Shaped Steel Pipe Engineering Case

Germany Precision Machinery Special Shaped Steel Pipe Project

1. Project Overview

This project supports high-end intelligent mechanical equipment manufacturing in Bavaria, Germany. The customized special-shaped steel pipes are widely used for equipment frames, support beams and load-bearing structural bases. German clients maintain extremely strict standards on section tolerance, straightness, surface finish and mechanical stability. After strict sample testing and factory audit, Pengyuan Steel became the official long-term supplier of non-standard shaped structural pipes.

2. Project Challenges

• Fully non-standard special-shaped sections, requiring independent mold customization. • Ultra-tight tolerance control within ±0.05mm for straightness and flatness. • Super smooth surface required for robotic welding and spraying process. • Full EN standard inspection and complete certified documents for European market entry.

3. Supplied Products

Product: Custom special shaped seamless steel pipes, irregular structural tubes Material: Q355B / S355JR European standard structural steel Quantity: 980 tons Standard: EN10210, GB/T6728

4. Pengyuan Solutions

• Custom professional molds according to German drawings to ensure full dimensional accuracy. • Precision cold drawing and straightening process to guarantee ultra-high geometric precision. • Double polishing treatment to remove burrs and oxide layers for perfect welding performance. • 100% mechanical property testing to ensure structural safety and stability. • Complete English EN standard MTC certificates and third-party inspection support.

5. Project Result

All customized special-shaped pipes passed strict German quality inspection at one time. The high-precision tubes perfectly fit automatic assembly and robotic welding procedures with zero defects. Pengyuan Steel has established stable long-term cooperation with the German machinery manufacturer for continuous custom-shaped pipe orders.