PRODUCTION DESCRIPTION:
Honed tube is widely used in the manufacturer of hydraulic cylinder, pneumatic cylinder, cylinder barrel. We use the most advanced machinery and technology to produce, Strict testing procedures ensure quality.
Item | Hard Chromed Rod | Induction Hardened Chromed | Nickel and Chrome Plating Bars |
Steel Grade | C45E (EN 10083) | C45E (EN 10083) | C45E,20MnV6/38MnVS6 |
Tolerance | ISOf7 | ISOf7 | ISOf7 |
Roundness | Diameter tolerance / 2 | diameter tolerance / 2 | diameter tolerance / 2 |
Standard Length | -for Ø ≤ 60 mm: 5600 -6200mm -for Ø≥60 mm: 5800 -7200mm Upon request: special lengths on all diameters | - for Ø ≤ 60 mm: 5600 – 6200 mm - for Ø ≥ 60 mm: 5800 – 7200mm Upon request: special lengths on all diameters | Up to 6000 mm Upon request: special lengths on all diameters |
Surface Roughness | Ra max. 0.20 µm (statistic average: 0.05-0.15 µm) | Ra max. 0.20 µm (statistic average: 0.05- 0.15 µm) | Ra max. 0.20 µm (statistic average: 0.05-0.15 µm) |
Chrome Layer Thickness | min. 900 HV (0.1) | min. 900 HV (0.1) | min. 25 µm |
Straightness | ≤ Ø16 mm: max. 0.3 mm: 1000 mm > Ø16 mm: max. 0.2 mm: 1000 mm | ≤ Ø16 mm: max. 0.3 mm: 1000 mm > Ø16 mm: max. 0.2 mm: 1000 mm | max.0.20 mm/1000 mm |
About us
Zhaotu steel is a professional manufacturer and supplier for hydraulic products, seamless/ SSID honed tube, piston/chrome rod, was established for more than 18 years, has been supplying and export hydraulic products. It has 200- 300T two sets of high precision cold drawn hydraulic units and dozens of large honing units, with an annual output of 20000+ tons of cold drawn tube and piston rod, it has a strict quality inspection procedure, advanced equipment and experienced technical workers.
PACKAGE:
Why choose us
-We’re a manufacturer and supplier, more than 18 years, extensive production experience and professional and reliable.
-Advanced production equipment, experienced veteran worker, strict testing processing, ensure quality.
-A large amount of stock makes the delivery time shorter.
-The warranty period is long
-Multiple payment methods are supported
FAQ
Q: Delivery time?
A: Usually could be delivery in 25 days, urgent order could be delivery in 15days.
Q: What ’s your main market?
A: We mainly export to Middle East, South Africa, South Eastern Asia, Turkey, and Europe. And these two years our products enter to South America too.
Q: Are you a factory?
A: Yes, we are.
Q: Guarantee period?
A: One-year after manufactured, reject items will be resupply or refund.
