We have been looking forward to the go to for joint expansion for 16Mn Honed Tube, Hydraulic Chrome Plated Honed Steel Tube, Pneumatic Cylinder Tubes. We will keep you informed of our progress and look forward to building steady business relations with you. With a fully integrated operation system, our company has won a good fame for our high quality goods, reasonable prices and good services.
Chrome Plated Steel Bar Introduction
Chrome Plated Steel 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 Plated Steel 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.
Mechanical Properties:
Material | T.S (MPA) | Y.S (MPA) | Elongation % | CHARPY | CONDITION |
CK45 | ≥610 | ≥355 | ≥15 | >41J | NORMALIZE |
CK45 | ≥800 | ≥630 | ≥20 | >41J | Q + T |
ST52 | ≥500 | ≥355 | ≥22 | NORMALIZE | |
20MnV6 | ≥750 | ≥590 | ≥12 | >40J | NORMALIZE |
42CrMo4 | ≥980 | ≥850 | ≥14 | >47J | Q + T |
40Cr | ≥1000 | ≥800 | ≥10 | Q + T |
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 |
Production process
Raw material –peeling – straightening – quenched and tempered – cutting – grinding –straightening – grinding – polishing – chrome plating – polishing - oiled plated - packing

Our Advantage
1. We has two factories of 40000 square meters and totally 150 employees to promise the Honed Tubes In Stock best quality control;
2. According to the cylinder pressure and inside diameter size ,different hydraulic cylinder honed tube Would be choosed ;
3. Our motivation is --- customers’ satisfaction smile;
4. Our believing is --- pay attention to every detail;
5. Our wish is ----perfect co-operation.
Unique technology and product design and development are the strongest support for our Scm440 Steel Chrome Plated Round Bar's large-scale production. Whether to customers, employees, or other partners, we will stay and treat each other as always with honesty. Under no circumstances disappearing key functions in a brief time, it's a must for yourself personally of fantastic quality.
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