Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for 4140 seamless tube, Ck45 Chrome Plated Bar, S20C Honing Pipe. We hope to join hands with friends in different industries to create a brilliant future. We sincerely welcome the new customers abroad to set up business relationships and also expect to consolidate the relationships with the long-established customers. We have always sticked to the high-quality, low-cost business strategy, forming a complete set of high-quality and efficient operation system from production to after-sales service. We hope to produce high-quality products independently, at the same time, to strengthen communication and cooperation with overseas companies with the aim of made in China and world cooperation.
Ck45 Chrome Bar Introduction
Chrome plated bars can be divided into standard bar, induction bar and tempered & quenched bar. Surface of bar goes through special grinding and hard chrome plating process, and then mirror polishing. They always work together with precision tubes.
Ck45 Chrome Bar technical parameters and Details
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Original: Jiangsu, China
Certification: ISO9001.
Material: CK45, ST52, E355, 42CrMo4
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: each packed in peper sleeve, and then in bundle.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Chemical Properties:
Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
CK45 | 0.42-0.50 | 0.50-0.80 | ≤0.04 | ≤0.035 | 0.035 | ≤ 0.25 | |
ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 | ||
20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | ≤0.035 | ≤0.035 | 0.10-0.20 | ≤0.30 |
42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | ≤0.035 | ≤0.035 | 0.07-0.12 | 0.90-1.20 |
40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.80-1.10 |

Chrome plated bar characteristics
- PRODUCTION NAME: chrome bar , Chrome shaft,chrome piston rod
- PRODUCT SIZE : φ6-φ250
- SUPPLY CONDITION:
Standard chrome plated; induction hard; quenched and tempered
- CHROME THICKNESS:
Standard 20 to 30 microns, special requirement depends on customers
- SURFACE ROUGHNESS: Ra≤0.4 micron
- TOLERANCES ON DIA: ISO f7 on the diameter
- OVALITY : Half of the tolerance ISO f7
- STRAIGHTNESS: ≤0.2MM/M
- SURFACE HARDNESS :800-1150HV
After-sales service:
1. Where to buy our products for one year warranty and life long maintenance.
2. 24-hour telephone service.
3. A large stock of components and parts, easily-worn parts.
FAQ
1. Q:Are you a manufacturer, trading company or a third party?
A:We are a manufacturer, and we have builded up our company since 2006.
2. Q:How can i get to your factory?
A:Our factory is near shanghai Airport, and then you could take fast train from Shanghai to Wuxi Station.
3. Q:If i will need to stay in your place for few days, is that possible to book the hotel for me?
A:It’s always my pleasure, hotel booking service is available.
4. Q:What is your minimum order quantity, can you send me samples?
A: the Exact MOQ depends on your exact requirement. And sample is available.
We can increase the competitiveness of our Quenched Tempered Ck45 Hard Chrome Plated Steel Bar by creating greater added value, for instance by improving the technical level of products. We own advanced production patent technology, large production and sales scale, excellent product quality, strict enterprise management, and perfect quality service system. We always practice the business philosophy of "product quality is the foundation, technological innovation is the driving force, and dedicated service is the guarantee".
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