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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.
China High Precision Pipe H8 Tolerance Honed Tube St52 Hydraulic Cylinder Honed Tubes
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.
Products meet international standards.
Ra 0.20um, 0.2/1000 mm, f7 tolerance.
Features:
1. High precision.
2. Made by best raw material.
3. Quality stable and uniformity.
4. Better packing protection.
5. Perfect after-sales service
Hard Chrome Plated Piston Rod
Steel Grade | CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo4, SUS304/316 Duplex 2205, etc. |
Diameter | Φ 6-500mm |
Tolerance | ISO f7 |
Length | 4m, 5.8m, 6m, 7.5m, 12m, 14m can be choose |
Roughness | max. Ra0.20µm (statistic average: 0.05 - 0.15µm) |
Straightness: | <= 0.2/1000 |
Roundness: | Half of the tolerance ISO f7 |
Hardness based on Delivery condition | Normal chrome rod (HRC 15-22) Q+T chrome rod (HRC 28-35) Induction Hardened chrome rod (HRC 55+/-2) Q+T and Induction hardened chrome rod (HRC 55+/-2) |
Chrome Thickness | 20-80µm |
Chrome Hardness | min. 900 HV (0.1) |
Declaration of conformity | According to EN 10083-2 Test in natural salt spray according to ASTM B 17 (96/120/150/200H). |
Packing | Oil soaked, carton pipe sheathed, cotton rope twined, bubble film packaged. |
High Precision Pipe H8 Tolerance Honed Tube St52 Hydraulic Cylinder Honed Tubes
Why Choice us
Rich Experience
We have 10years experience in manufacturing and export. Ensuring smooth transactions and reliable services
2.High-Quality
We provide premium products that meet international standards, each product in every process under strict quality inspection control.
3.Competitive Pricing
Bulk material sourcing and efficient management allow us to offer the best prices without compromising quality.
4.Reliable Partner
We promote wholesales channel, stand by customer and grow together with customer to Gain market share. We are your most reliable material partner.
5.Professional Team
All team members are skilled and professionally trained, most of them keep working in this team for more than 10years already.
We provide the best quality, excellent service and tailored solutions. There is no risk to choice us.
6. Efficient Logistics
We ensure fast and secure global shipping with trusted logistics partners.
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.
High Precision Pipe H8 Tolerance Honed Tube St52 Hydraulic Cylinder Honed Tubes
These honed tubings are designed for heavy-duty applications in mining machinery and automotive shock absorbers, offering unparalleled durability. Oil-immersed packaging provides superior corrosion protection during transport and storage. Manufacturers trust our precision tubing for power steering systems and other critical hydraulic applications with extremely high tolerance requirements.
Our CK45 honed tubing is precision-engineered to DIN2391 standards, ensuring superior durability and performance in hydraulic and pneumatic systems. Available in inner diameters from 20mm to 1500mm and with a tolerance grade of ISO H8, these tubings are ideal for high-precision applications such as cylinder barrels and automotive shock absorbers. A smooth inner surface roughness Ra of 0.20-0.40μm minimizes friction and maximizes efficiency.
These honed tubings are designed for heavy-duty applications, making them ideal for mining machinery and power steering systems, offering exceptional strength and reliability. The 4-meter length makes it suitable for a variety of industrial needs, while the oil-immersed packaging ensures protection during transportation and storage. Whether used in hydraulic cylinders or pneumatic systems, our CK45 honing tubing offers unparalleled performance and service life.
Upgrade your machinery with our high-quality honing tubing. Designed specifically for high-strength hydraulic systems and automotive applications, the CK45 steel construction ensures superior wear resistance, making it an economical choice for harsh environments. Our precision-machined tubing meets DIN2391 and ISO H8 standards, satisfying your precision engineering needs.
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High Precision Pipe H8 Tolerance Honed Tube St52 Hydraulic Cylinder Honed Tubes
