We hope that the use of our welding rotators, Welding Positioner Rotator, Honed Tubes will be more assured, so that customers can be more satisfied with our products and services. Quality in the heart, quantity in the hand,we do not forget the original heart and forge ahead, only for better quality. We are engaged in technological development and hope for a rapid expansion in the fierce competition of the market. Our company possesses a strong management team so that can lead us to a better future.
Chrome Steel Rod 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.
Chrome Steel Rod 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
Experience and markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.

Our Advantages
a. Extensive production experience: we are specialized in honed tubes, skived tubes, cold drawn pipe, and chrome bar with an experience of 20 years.
b. Complete production facilities: owning cold drawn machine, skived and roller burnished machine, honing machine, precision centerless grinding machine, straightening machine, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.
c. High quality raw material: we mainly choose raw material from big steel factory, such as AN STEEL, TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.
e. Short Delivery time: Usually one container 20 days. We also stock some standard-sized tubes and bars.
f. Safe packing: anti-rust oil be spread on tubes and bars before shipping, plastic caps on tube ends to protect inside surface, each bar be protected with cardboard tube.
We usually perform being a tangible workforce making sure that we will give you the most beneficial excellent plus the finest selling price for Hydraulic Power Units Type Ck45 Hard Chrome Plating Steel Rods. Our company has trained a group of business teams and technical personnel with strong professional knowledge to provide customers with accurate and timely product information and excellent after-sales service in all aspects. We take high-quality development and international operation as our goal, integrate global talents, technology, and management resources.
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