We guarantee that every 4140 cold drawn stator tube, Honing tubes, Steel Tube Couplings we create is of the highest quality in terms of design, technology, service, etc., with the utmost attention to detail. If you are fascinated in our products, make sure you sense absolutely free to go to our web site or make contact with us. Our company enjoys a good reputation in the whole industry and is called the most potential black horse in the industry and we will strive for this. Our excellent production equipment, standard production management mode, and many years of foreign trade supporting experience can provide customers with good quality and cost-effective products, as well as a more intimate user experience.
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.
Assume full accountability to fulfill all demands of our purchasers; attain continual advancements by marketing the advancement of our clientele; grow to be the final permanent cooperative partner of purchasers and maximize the interests of purchasers for Ferro Chrome High Carbon Joiners 440c Stainless Steel Rod. We provide good quality but unbeatable low price and the best service. We hope to provide first-class products and services to customers around the world, so as to better realize the "win-win-win" goal of creating benefits for the enterprise, benefiting employees, and contributing to the society.
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