We have introduced advanced technology and production equipment at home and abroad to meet the market's diversified demand for various cold drawn drilling tube, Seamless Cold Drawn Steel Tube, Chrome Plated Steel Rod. In the future, we will still rely on a hardworking and enterprising team, rigorous and pragmatic management, high-quality products, excellent and honest services, and continue to build brand value, achieving higher social value. We are keeping durable small business relationships with additional than 200 wholesalers all over the world.
Hydraulic Chrome Plated 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.
Chrome plated 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 |
Hydraulic 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
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.
We will strictly demand ourselves and provide consumers with more high-end Forged 4140 Chrome Plated Bar for Hydraulic Cylinder with perfect after-sales service. Our company's integrity, strength and product quality have been recognized by the industry, and friends from all walks of life are welcome to visit, guide and negotiate business. We advocate the entrepreneurial spirit of "unity, integrity, efficiency and innovation" to pursue our original dream.
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