Linear Hard Chrome Shaft

BAOKUN’s chrome shafts feature precision hard chrome plating for high wear resistance, smooth motion, and long service life. As a trusted manufacturer and supplier, we ensure high-quality standards and reliable performance in every product. Customization options are available to meet specific requirements for various industrial applications.

High Wear Resistance: The hard chrome plating significantly enhances the hardness of the shaft’s surface, typically reaching hardness levels of 60 HRC or higher. This provides excellent resistance to wear, making it suitable for applications with high friction or abrasive conditions.
Corrosion Resistance: Hard chrome plated shafts offers exceptional resistance to rust and corrosion, even in harsh environments such as those with moisture, chemicals, or acidic conditions. This ensures that the shaft remains functional and durable over time.
Smooth Surface Finish: Chrome plating provides a smooth and even surface finish, reducing friction between moving parts and improving performance. It is particularly useful in applications where precision and low friction are essential.
Improved Load Bearing Capacity: The hardness and smoothness of the chrome plating allow the shaft to endure heavy mechanical loads, making it suitable for high-stress applications. The coating helps to distribute load more evenly, reducing wear and tear.
High Temperature Stability: Hard chrome plated shafts retain their structural integrity even at elevated temperatures, making them suitable for use in high-temperature environments without significant degradation.
Enhanced Durability: The hard chrome layer significantly extends the lifespan of the shaft by providing a protective barrier against mechanical wear, corrosion, and thermal damage. This makes hard chrome plated shafts ideal for long-term applications.

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Descriptions of Linear Hard Chrome Plated Shafts

Baokun’s linear hard chrome shafts are widely valued for their excellent wear resistance, corrosion protection, smooth surface, and high durability. These characteristics make them suitable for a broad range of industrial applications, from hydraulic systems to automotive components and heavy-duty machinery. Their ability to improve performance and extend the lifespan of equipment makes them a key choice in demanding applications across various sectors.

BAOKUN‘s chrome shafts have a minimum order of one ton. Customer service is available 24 hours. We offer custom sizes or have enrough stock for fast shipping. Defective products can be returned. As a direct manufacturer, we provide competitive prices.

Specification of Hard Chrome Plated Shafts

Material	CK45/ SAE1045/ ST52/ SAE4140/ 20MnV6/ 42CrMo4/ 40Cr/SAE10V45/45/40X/42XM/ШХ15
Standard	GB/DIN/JIS/ASTM/GOST
Tolerance	ISO f7 -f8 (or can be customized)
Stock Length	1m – 9m
Size/Diameter	6-300 mm
Finish	Chrome Plating
Straightness	0.2/1000 mm
Surface Finishing	Polished & brush
Surface Roughness	Ra 0.2 micron (maximum)
Chrome Plating Thickness	10-30 micron
Chrome Layer Hardness	800HV (minimum)

Mechanical Properties

Material	T.S N/MM2	Y.S N/MM2	E%(MIN)	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 Composition

Material	C%	Mn%	Si%	S%	P%	V%	Cr%
Ck45	0.42-0.50	0.50-0.80	0.17-0.37	≤0.035	≤0.035		≤0.25
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04	0.02-0.15
20MnV6	0.17-0.24	1.30-1.70	0.10-0.50	≤0.035	≤0.035	0.10-0.20	≤0.30
SAE10V45	0.40-0. 48	0.80-1.40	0.15-0.35	≤0.15	≤0.035	0.15	≤0.25
42CrMo4	0.38-0.45	0.50-0.80	0.17-0.37	≤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

Applications of Linear Hard Chrome Shafting

Hydraulic and Pneumatic Systems: Linear chrome shafts are commonly used in hydraulic cylinders and pneumatic actuators as piston rods or shafts. The combination of wear resistance, smooth surface, and corrosion protection makes them ideal for high-pressure fluid systems that require reliable performance and extended service life.
Automotive Industry: In automotive manufacturing, hard chrome shafts are used in components such as steering rods, suspension systems, and transmission parts. Their ability to withstand high loads, reduce friction, and resist corrosion makes them essential for enhancing the durability and efficiency of automotive systems.
Industrial Machinery: Chrome shafts are often found in industrial machinery, including CNC machines, lathes, and milling machines. The shafts are used for components that require precision and long-lasting performance under heavy loads, such as spindle shafts and guide shafts.
Printing Industry: In printing presses and related equipment, hard chrome plated shafts are used in rollers, pressure rollers, and printing cylinders. The smooth finish and wear resistance help maintain consistent print quality while extending the operational life of the equipment.
Paper and Textile Machinery: These chrome shafts are critical in the paper production and textile industries, where they are used in various parts like rollers, drive shafts, and guide shafts. Hard chrome plating provides the necessary durability and resistance to wear in environments that involve continuous, high-load operations.
Mining and Construction Equipment: Hard chrome shafts are used in mining machinery, construction equipment, and other heavy-duty applications where durability and wear resistance are essential. They are used in parts like hydraulic pistons, bushings, and shafts that operate in tough environments.
Food Processing and Pharmaceutical Industries: In these industries, hygiene and durability are key. Linear chrome shafts are used in equipment such as mixers, conveyors, and pumps where resistance to corrosion, wear, and cleaning agents is important.

FAQs

1. What is a Chrome Shaft?

A shaft is a long, cylindrical mechanical component used to transmit power or motion in machines. It typically connects different parts, like gears or wheels, allowing them to rotate or move. A chrome shaft is a type of shaft that has been coated with a layer of chromium.

The chrome plating improves the shaft’s durability, strength, and resistance to corrosion. This makes it ideal for applications where the shaft is exposed to wear, moisture, or chemicals, such as in automotive, machinery, and industrial equipment.

2. What is the Best Metal for Shafts?

The best metal for shafts depends on the application. Generally, steel, especially high-carbon steel, is the most common choice due to its strength and durability. Stainless steel is also popular for its resistance to corrosion and rust, making it ideal for use in harsh environments.

For more demanding applications, alloy steels or chrome-plated steels are preferred because they combine strength, wear resistance, and corrosion resistance, making them suitable for heavy-duty use.

3. What is Chrome Plated Material?

Chrome plated material refers to metal that has been coated with a layer of chromium through a process called electroplating. The purpose of chrome plating is to improve the surface properties of the material, such as increasing its hardness, wear resistance, and corrosion resistance.

It also gives the material a shiny, polished finish. Chrome plating is commonly used on steel, brass, and aluminum to protect them from rust and to enhance their appearance.

4. Does Chrome Plated Steel Rust?

Chrome-plated steel is highly resistant to rust, but it is not entirely immune to it. The chrome plating acts as a protective layer, preventing moisture and air from reaching the steel surface, which helps reduce rusting. However, if the chrome layer gets damaged or wears off over time, the underlying steel can become exposed and prone to rusting.

Proper maintenance and care are essential to keep the chrome plating intact and prevent rust.

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