As a manufacturer focused on Precision Seamless Honed Tube, St52 Hydraulic Steel Tube, 1045 Honing Pipe, we have always been committed to providing our customers with leading technology and top quality products. Maintaining the harmony between business and the environment not only reflects the social responsibility of the enterprise, but also creates conditions for the sustainable development of the enterprise. Our company has a complete and scientific quality management system, and has been widely recognized by the industry for the integrity, strength and product quality. After years of careful management, we have established a good reputation for high quality, low price and good service. In order to adapt to the market economy, we keeps up with the pace of the times and continues to provide users with the best products and services with the tenet of 'innovation, standardization and quality'.

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

Production Process(001).jpg

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.

Since establishment, our company has been focusing on the field of Scm440 Hydraulic Chrome Plated Bar, with strong R&D capabilities and rich strategic experience. We will offer our best service to satisfy all your needs! The working principles we insist on is, rigorous, innovative, pragmatic, enterprising, efficient, diligent and honest.

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