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Flowex was established in 2010 and make premium honed tube and chrome piston rod following international standard, with great quality and perfect service, we get wide praise and recognition from clients all over the world.
Our premium ST52.3 BK+S honed tubes are DIN2391 certified, offering exceptional precision with ISO H8 tolerance for hydraulic and pneumatic systems. With inner diameters ranging from 20mm to 1500mm and ultra-smooth Ra0.20-0.40μm surface finish, these 4m length tubes ensure optimal performance in demanding applications like hydraulic cylinders and cylinder barrels.",
Hard chrome plated piston rod was made by black round steel bar, through peeling, centerless grinding, polishing, chrome plate, polishing process.
Products meet international standard demands.
Ra0.20um, 0.2/1000mm, 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. |
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.
"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 Duplex 2205 honed tubes deliver exceptional corrosion resistance and strength for demanding hydraulic systems. Manufactured with ISO H8 precision tolerances and Ra0.20-0.40μm surface finish, these tubes ensure perfect piston seal in cylinder barrels. Ideal for mining machinery and heavy-duty applications where durability matters.",
"As a trusted hydraulic cylinder supplier, we provide DIN2391 compliant honed tubing from 20mm to 1500mm diameters. The oil soaked packaging protects these precision honed pipes during transit, maintaining their flawless inner surface finish. Perfect solution for automotive shock absorbers and power steering systems.",
"These 4m length honed tubes feature duplex steel's unique dual-phase microstructure, offering superior performance in harsh environments. With consistent dimensional accuracy and ultra-smooth bore surface, our tubes minimize friction in pneumatic systems. Factory-direct pricing ensures cost-effective solutions for your hydraulic cylinder needs.
