Discount Price Gas Struts for 4330V seamless pipe for downhole motor, Hydraulic Cylinder Srb Pipe, Hydraulic Chrome Rod. Our company is engaged in business activities under the market economy system, accepts the norms of market laws, and seeks development from the needs of society. We enjoy a high status among consumers, and we have established long-term and stable cooperative relations with many retailers and agents. Our long-term accumulated production debugging experience, the grasp of the latest extrusion technology and the full implementation of quality management system in every link of production management make us a reliable partner for you.
Quenched 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.
Quenched Chrome Bar Details
Type: Pipe
Model Number: ID50-400mm
Brand Name: Hengtong
Place of Origin: Jiangsu, China (Mainland)
Process: Cold drawn
Tolerance: H8 for tubes and f7 for rods
Condition: BKS/SR
Material: ST52/E355,CK45
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 |
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.
In order to promote the development of the Steel Round Bar Hard Chrome Piston Rod for Hydraulic Cylinder industry, we will continue to adhere to the development strategy of 'Science and Technology', through continuous technological innovation and closely combining market demand, we will develop more high-quality and efficient new products. If you are interested in any of our products, please feel free to contact us. How about to start your good business with our company? We are ready, trained and fulfilled with pride.
Hot Tags: round chrome rod, China, manufacturers, suppliers, factory, price, Precision Seamless Steel Honing Tube, Adjustable Welding Rotators, Hydraulic Chrome Plated Honed Steel Tube, Seamless Cold Drawn Tube, Conventional Tank Welding Roller, St52 Cold Drawn Pipe






































