The excellent technology and perfect craftsmanship make our Skived Rolling Burnished Hydraulic Cylinder Tube, Hard Chrome Plated Steel Pipe, Hard Chrome Plated Pipe Bar always in the directing position. We try our best to build the scientific management model, to learn abundant professional knowledge, to develop advanced production equipment and production process, to create the first-call quality products, reasonable price, high quality of service, quick delivery, to give you create new value. We are confident that there will be a promising future and we hope we can have long term cooperation with customers from all over the world. We welcome old and new customers to negotiate with us. Each of our products has been tested and perfected thousands of times.
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.
Our company adheres to the business principle of 'survive by quality, develop by reputation', create first-class quality, and constantly provide economical and practical SAE4140 4130 Chrome Plated Round Rod with F7 Tolerance and efficient and perfect after-sales service according to the needs of customers. Pioneering, innovative, and the spirit of seeking truth, being pragmatic, maintaining the stability of quality, and pursuing excellence have always been the principles of our company. We also have a professional quality control team to meet the high quality requirements of customers.
Hot Tags: round chrome rod, China, manufacturers, suppliers, factory, price, Induction Chrome Bar, Round Chrome Rod, Gas Cylinder Tube, 42CrMo seamless cold drawn tube, Head Tail Positioner, Honed tubes






































