Our mission is usually to turn into an innovative provider of high-tech digital and communication devices by providing worth added design and style, world-class producing, and repair capabilities for 15T Welding Positioner, Welding Rotators Positioners, St52.3 Honed Tube. We sincerely hope to cooperate with global customers with high quality products and satisfying service. The mission of our company is to innovate without forgetting environmental protection, to benefit the enterprise without forgetting to benefit customers.
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.
Relying on our strong technical force and years of production experience, we continue to adopt new technologies, new processes, and new materials to make the technical indicators of our S45c Quality Carbon Steel/Stainless Steel/Chrome Plated Steel Bar for Different Usage reach the leading level in the industry. We implement precise management to realize integrated management of people, money, goods and customers. We take 'technological innovation, excellent quality, rigorous management, and sustainable development' as our operating tenet, give full play to our own advantages, achieve sustainable development of the enterprise and win-win situation with customers.
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