Views: 1 Author: Site Editor Publish Time: 2022-09-24 Origin: Site
1、 Product Description
QINGZHOU DOODHARVEST is a professional manufacturer of honed tube & chrome rod/bar/shaft, founded in 2006, which is one of biggest manufacturer in China.
Our main products as belwo:
Hard chrome bars/ Piston rod in CK45, 20MnV6, 42CrMo
Induction hardened chromed bars / piston rods in CK45, 20MnV6, 42CrMo
Hollow chrome rods in CK45, 20MnV6, 42CrMo
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 |
2、Equipment Show
3、Testing & Inspection
4、Packing
5、Company Show
Major in Chrome rod, Cylinder parts field 15+ years’ experience. Factory was established under modern management system and technologies in 2003. It covers an area of 40,000 sq. meters, all processing control include cold-drawn, heat treatment, honing, peeling, grinding, polishing. There ’re 60+ sets of advanced equipment and 70+ skilled technical workers, annual output over 20,000 tons.
6、Our Services
<Could custom make follow customer's samples and drawings.
<Submit samples with official inspection reports including material report, mechanical property report and dimensional report, with MTC.
<Accept the third party inspection,like SGS TEST
<Could provide at least one year’s quality guarantee after customer receives the products
<We could supply storage service for customer if required.
