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Product Description

Features

Parameters

Application Scenario

This phrase describes a bushing manufactured from C51100 Phosphor Bronze, a material specifically chosen for its primary characteristic of High Wear Resistance.

For a clearer understanding, it can be broken down as follows:

1. Material: C51100 Phosphor Bronze
Chinese Grade Designation: QSn6.5-0.1. This is the direct equivalent in the Chinese GB/T standard.

Key Characteristics:

High Strength and Hardness: Withstands heavy loads without significant deformation.

Excellent Wear Resistance: The core property, minimizing material loss from friction.

Good Fatigue Resistance: Withstands repeated and fluctuating stresses.

Corrosion Resistance: Resists degradation from atmosphere, water, and many chemicals.

Self-Lubricating Properties: Exhibits good run-in performance and a low coefficient of friction when paired with steel.

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Why Bronze? Key Material Advantages

Here are the key material advantages of Bronze: 1. The Perfect Balance of Strength and Ductility Unlike harder, more brittle materials, bronze is strong enough to carry significant loads but also has enough "give" or ductility. This allows it to absorb energy, withstand impact, and conform slightly to minor misalignments without cracking. 2. Superior Wear Resistance & The "Low Friction" Myth This is the most critical advantage. Bronze doesn't have an ultra-low coefficient of friction like Teflon. Instead, its wear resistance comes from a combination of: Hardness: It's hard enough to resist abrasion from particulates and the shaft itself. Embeddability: Small, hard contaminants (like dust or grit) can embed themselves into the relatively soft bronze matrix. This prevents them from being trapped between the shaft and the bushing, where they would grind away and score both surfaces. This protects the more expensive and critical shaft from damage. Compatibility (Anti-Galling): Bronze has a low tendency to "weld" or fuse to steel shafts under high pressure and rotation—a phenomenon known as galling or seizing. This is crucial for start-up and boundary lubrication conditions. 3. Excellent Corrosion Resistance Bronze naturally forms a protective, self-healing oxide layer (patina) that makes it highly resistant to corrosion from water, steam, seawater, and many chemicals. This makes it ideal for marine applications, hydraulic systems, and outdoor equipment where rust would destroy plain steel. 4. High Fatigue Strength Bronze can endure a very high number of load cycles without failing from fatigue. In applications with constant vibration or cyclic loading (e.g., in machinery), this property ensures a long service life. 5. Conformability This refers to the ability of the bronze to yield slightly under load to compensate for minor misalignments or deflections in the shaft. A brittle material would crack, but bronze adapts, ensuring even load distribution and preventing edge-loading. 6. Excellent Machinability and Castability Bronze is relatively easy to cast into complex shapes and machine to precise tolerances, making it a cost-effective material for manufacturing high-performance components.

QSn6.5-0.1。

C51100 phosphor bronze is a copper-tin alloy renowned for its exceptional combination of properties. It possesses high strength, excellent elasticity, and outstanding wear resistance, making it ideal for demanding bearing and bushing applications. The addition of a small amount of phosphorus enhances its fluidity during casting, improves its fatigue resistance, and increases its resistance to corrosion and wear. Furthermore, it maintains good machinability and can be easily soldered. These characteristics make C51100 a superior choice for components subjected to high loads, frequent friction, and corrosive environments.

C86300

Processing Characteristics Casting: C86300 has good casting performance and can be easily formed by various casting methods, such as sand casting, die casting and investment casting. It can produce complex-shaped components with high dimensional accuracy and surface quality, meeting the needs of different application scenarios. Machining: The alloy has good machinability and can be processed by turning, milling, drilling, grinding and other machining methods. It can obtain high-precision components with good surface finish, which is convenient for subsequent assembly and use. Welding: C86300 has certain weldability and can be welded by appropriate welding methods. However, in the welding process, it is necessary to pay attention to controlling the welding parameters to avoid problems such as cracks and porosity and ensure the welding quality.

ZCuSn10Pb1.

Physical Properties Density: The density is about 8.8g/cm³. With a relatively large density, the weight factor needs to be considered in the design and use process, especially in some occasions where the weight is strictly required. Melting Point: The melting point is generally about 900℃ - 950℃. Compared with pure copper, its melting point is reduced, which is beneficial to the melting and forming in the casting process. Electrical and Thermal Conductivity: Due to the high copper content, ZCuSn5Zn5Pb5 still has good electrical and thermal conductivity and has certain application potential in some occasions where good electrical or thermal conductivity is required.

ZCuSn10Pb5.

Main Elements: The main alloying elements in ZCuSn10Pb5 are tin (Sn) and lead (Pb). It typically contains about 10% tin and 5% lead. The high tin content provides good corrosion resistance and wear resistance, while lead helps to improve the alloy's machinability and lubricity.

ZCuPb10Sn10.

Mechanical Manufacturing：It is suitable for manufacturing heavy-duty and high-speed wear-resistant parts, such as bearings, gears, and worm wheels. For example, in industrial machinery, the bearings and gears that need to work under high load and high speed can use ZCuPb10Sn10 to improve service life and reliability.

ZCuPb15Sn8.

ZCuPb15Sn8 has good casting performance and can be easily formed by various casting methods, including sand casting, die casting and investment casting. This allows for the production of complex-shaped components with high dimensional accuracy. Machining: Although it has a certain hardness, the alloy has good machinability. It can be processed by turning, milling, drilling and other machining methods to obtain components with high precision and good surface quality. Heat Treatment: Appropriate heat treatment processes, such as annealing and quenching, can be carried out on ZCuPb15Sn8 to further improve its mechanical properties and microstructure, meeting the specific requirements of different applications.

Common Types of Bronze Bushings in Cranes

2. Component: Bushing
Function: A sleeve-shaped bearing component used to support rotating shafts, reduce friction, locate components, and protect housing bores from wear.

3. Application Scenarios
Leveraging its high wear and fatigue resistance, this bushing is typically used in demanding applications such as:

Automotive Manufacturing (e.g., suspension systems, bushings)

Heavy Machinery and Industrial Equipment

Aerospace components

Marine hardware

Product Application Scenarios

Bearing copper bushing

Copper sleeve bearings bushing

Flange sleeve bushing

Quick Question And Answer

Bronze Bushing, Bronze Liner, Bronze Slide, Bronze Nut, Bronze Worm Gear, Bronze Slider And Other Bronze Alloy

Do you have requirements on quantity?

We can provide the quantity of drawings according to the customer, because there is a price advantage when there is a quantity, precisely because the quantity is mostly superior.

What material of copper do you have the most wear-resistant?

Also according to the customer with the frequency, performance, environment and other conditions to determine, generally we are recommended 555 such material.

Can we finish and deliver in a week?

Yes, there is no problem at all; the deadline is decided by the customer!

What kind of casting process can your company do?

Our company has many years of experience in casting machinery processing, with sand casting, centrifugal casting, metal casting, investment casting and other casting processes.

What are the commonly used materials?

Frequently made materials include: brass, tin bronze, lead bronze, aluminium bronze, phosphor bronze.

What kind of packaging do you use?

Depends on whether you are exporting or not, all export packaging is made of 15nm thickened non-fumigation boards, the domestic standard packaging is 10mm thin non-fumigation boards, the legs are solid wood, the domestic simple packaging is a cardboard box or grass rope winding.

What is your after-sales service commitment?

Our after-sales service commitment, the spot is shipped at that time, expedited 3 days delivery, normal about 20 days delivery, bulk about 20-30 days delivery, to ensure that the material, to ensure that the size, any problem free replacement or unconditional refund.

Customers want to expedite?

Our company's normal working period is 30 days, if you have special requirements, we can also discuss with the factory, with the time off work to expedite processing, expedited costs to talk to the customer. Depending on the circumstances of the expedited cost.

Precision Machined C51100 Bronze Sleeve Bearing