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Flowex was established in 2010 and speclized in honed tube, chrome rod and cylinder parts for industrial applications. We manufactures a diverse range of standard and special honed tubes, chrome rods and cylinder accessories to suit all types of industrial matching usage. Our products meet every major industry standard, with other certifications available upon request. All Our honed tubes, chrome rods and cylinder parts are designed to deliver long, efficient service with low maintenance requirements, guaranteeing high productivity throughout the life of the product.
Flowex has gained widespread praise and recognition from customers all over the world for its outstanding quality and excellent service.
Long-durable Induction Harden Chrome Plated Rod Multiple Customize Size Hard Chrome Plated Steel Piston Rod


Our premium ST52.3 BK+S honed tubing is DIN2391 certified and features ISO H8 tolerances, providing exceptional precision for hydraulic and pneumatic systems. Available in inner diameters from 20 mm to 1500 mm and with a surface finish Ra of 0.20-0.40 microns, these 4-meter lengths ensure optimal performance in demanding applications such as hydraulic cylinders and barrels.
Hard chrome plated piston rods are made from black round steel bars, processed through peeling, centerless grinding, polishing, chrome plating, and polishing.
Long-durable Induction Harden Chrome Plated Rod Multiple Customize Size Hard Chrome Plated Steel Piston Rod
Products meet international standards.
Ra 0.20um, 0.2/1000 mm, f7 tolerance.



Equipment
As one of the biggest honed tube piston rod manufacturers in China, we equipped with advanced production facilities and inspection facilities for honed pipe manufacturing and inspection.
Below manufacturing equipment for steel honed tubing and chrome plated steel bar.

"Specially designed for heavy-duty use in mining machinery and automotive shock absorbers, these honed tubes deliver unmatched durability. The oil soaked packaging provides superior corrosion protection during transit and storage. Manufacturers trust our precision tubes for power steering systems and other critical hydraulic applications requiring tight tolerances.",
Our CK45 honed tube is precision-engineered to meet DIN2391 standards, ensuring exceptional durability and performance in hydraulic and pneumatic systems. With an inner diameter range of 20mm-1500mm and ISO H8 tolerance, these tubes are perfect for high-precision applications like cylinder barrels and automotive shock absorbers. The smooth inner surface, with a roughness of Ra0.20-0.40μm, minimizes friction and enhances efficiency.
Designed for heavy-duty use, these honed tubes are ideal for mining machinery and power steering systems, offering superior strength and reliability. The 4m length provides versatility for various industrial needs, while the oil-soaked packaging ensures protection during transit and storage. Whether for hydraulic cylinders or pneumatic systems, our CK45 honed tube delivers unmatched performance and longevity.
Upgrade your machinery with our high-quality honed tubes, tailored for robust hydraulic systems and automotive applications. The CK45 steel construction guarantees resistance to wear and tear, making it a cost-effective solution for demanding environments. Trust our honed tubes to meet your precision engineering requirements, backed by strict adherence to DIN2391 and ISO H8 standards.
Long-durable Induction Harden Chrome Plated Rod Multiple Customize Size Hard Chrome Plated Steel Piston Rod
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