Steel Pipe Mold (DN25–250mm)
Steel pipe mold is designed for the production of small to medium-diameter FRP/GRP pipes, offering excellent strength and reliability. Made from high-quality steel, it is ideal for applications requiring high-pressure resistance and durability, ensuring a long service life in a variety of industries.
Product Introduction
The FRP Pipe Mold is made of high-strength fiber-reinforced plastic material, specially designed for the production of large-diameter FRP/GRP pipes ranging from DN300 to DN4500mm. It features excellent durability, corrosion resistance, and thermal stability, making it ideal for continuous production under high-temperature and harsh chemical environments. Its lightweight structure allows for easy handling, reduced maintenance, and longer service life compared to traditional metal molds.

Product Specification
- Diameter range: DN25–250mm
- Sturdy steel construction provides excellent strength and durability
- High corrosion resistance, suitable for a wide range of industrial applications
- Smooth inner surface ensures better demolding and pipe quality
- Custom sizes available to meet specific production requirements
- Lower maintenance cost compared to other mold types
- Designed for use in both standard and high-pressure applications
Product Details

Finished Products



Hengshui Jiubo Composites Co., Ltd. is a leading manufacturer of chemical equipment and fiberglass composite products. We specialize in turnkey solutions for potassium sulfate, sodium sulfate, sulfuric acid, and calcium chloride production lines, as well as FRP pipes, tanks, cooling towers, molded & pultruded products, and complete FRP production machinery.
Beyond manufacturing, we offer material selection, structural design, technical consultation, material supply, transportation, and installation supervision to support our customers’ needs. Now we have 300 employees, with an annual production capacity of 20,000 tons of fiberglass-reinforced plastic products.
With ISO9001, ISO14001, ISO45001, and SGS certifications, we ensure high-quality standards. Our products are exported worldwide, including the U.S., Canada, Australia, Brazil, Japan, Germany, Russia, India, and Egypt, earning global customer trust.
Our Products & Services:
- EPC Solutions: Complete chemical production lines for potassium sulfate, sulfuric acid, etc.
- FRP Production Lines: FRP pipe & tank winding, pultrusion, and grating production lines.
- Fiberglass Products: FRP pipes, tanks, towers, electrolytic cells, cooling towers, and anti-corrosion solutions.
Through robust manufacturing, technological innovation, and comprehensive support, we deliver quality solutions globally and strive for enduring industry partnerships.









