Special-Shaped Steel Tubes (Hex/Oval/Triangle, etc.)
Shandong HengdingSheng Steel Co., Ltd. is a professional carbon steel pipe manufacturer with ISO CE certificate and a large factory with a productivity of 500,000 tons per month. We supply from wall thickness 0.5-300mm, including seamless carbon steel pipe and welded carbon steel pipe. Custom sizes available. We have large stocks for fast delivery, and provide free samples and customized services. The main markets are distributed in Europe, North America, South America, Africa, Southeast Asia and Oceania. The company has established stable cooperative relations with customers in more than 100 countries and regions.
We supply high-quality carbon steel and stainless steel special-shaped pipes, including oval, square, rectangular, D-shaped and various custom cross-sectional profiles. Our pipes are manufactured from commonly used grades and comply with international standards such as ASTM A500 and EN 10219. Suitable for building curtain walls, mechanical structures, decorative engineering and other industrial applications, we accept custom orders based on specific customer requirements and technical drawings.
Manufactured using advanced cold-forming and welding technology, our production line is equipped with multiple sets of roller dies and laser positioning systems to ensure dimensional tolerances within ±0.3mm for special-shaped cross-sections. The integrated production system includes online straightening equipment and eddy current flaw detectors, enabling us to meet a wide range of custom requirements for special-shaped pipes.
Key Advantages:
✔ 200+ mature die sets for fast response to non-standard demands
✔ Precision forming technology ensures complex cross-section accuracy
✔ Double-sided TIG welding with weld strength ≥ base material
In order to ensure product quality, we will arrange professional personnel to check product quality, packaging, weight, hardness, etc., according to customer requirements of product specifications, looking for high-quality and cheap cooperative factories in China, to provide customers with one-stop procurement services and quality assurance.
Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.