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Leaded tin bronze rods come in several types, each with its own unique composition and properties.
Leaded Tin Bronze Rod C90700
This alloy consists of 80% copper, 12% tin, and 8% lead. It is renowned for its exceptional wear resistance and antifriction characteristics, making it a preferred choice for bearings and bushings that demand durability and longevity in heavy-duty applications. Its substantial copper content lends itself to superior strength and corrosion resistance.
Leaded Tin Bronze Rod C90500
With 82% copper, 12% tin, 4% lead, and 2% nickel, this bronze exhibits enhanced corrosion resistance due to nickel's presence. This addition makes the C90500 suitable for environments where moisture and seawater exposure are common. Its antifriction properties are akin to the C90700, ensuring reliable performance in marine applications.
Leaded Tin Bronze Rod C90100
For buyers seeking cost-effective solutions, the C90100 option is ideal. This alloy comprises 85% copper, 10% tin, and 5% lead—offering decent wear resistance and moderate antifriction properties. This leaded tin bronze version suits less demanding applications and still delivers adequate corrosion resistance required in many industrial settings.
Leaded Tin Bronze Rod C90200
The C90200 alloy, with 81% copper, 10% tin, 5% lead, and 4% nickel, provides additional strength and enhances corrosion resistance. Its composition closely resembles C90100, but nickel adds value by improving the alloy’s performance in adverse environments. This bronze is widely used in marine hardware and valves attributable to its superior durability properties.
Brass and leaded tin bronze rod materials possess notable features.
Antifriction Properties
A key feature of leaded bronze is its outstanding antifriction properties. The alloy's lead content is instrumental in reducing friction between metal surfaces, thus minimizing wear and tear in applications where contact is inevitable. This makes leaded tin bronze highly desirable in bearings, bushings, and gears, where smooth operation and longevity are critical.
Corrosion Resistance
Notably, leaded tin bronze is resistant to corrosion due to its copper and tin combination. This resistance is particularly significant in marine settings where moisture and saltwater can degrade lesser metals. Brass, for instance, is commonly used in shipbuilding and underwater structures, thanks to its ability to withstand corrosive environments for extended periods.
Wear Resistance
Wear resistance is another crucial characteristic of leaded tin bronze. The alloy's ability to endure constant friction and mechanical stress makes it ideal for heavy-use applications. In machinery components such as pumps and valves, brass offers wear resistance that ensures these parts function reliably over time.
Machinability
Leaded bronze stands out for its excellent machinability, which simplifies working with the material to form complex parts. Its adaptability permits precise shaping, drilling, and milling, making it favored by manufacturers in a broad spectrum of sectors. This feature significantly contributes to the alloy's prominence in creating intricate components.
Brass and leaded tin bronze rod material have many uses.
Mechanical Components
Leaded tin bronze rods are favored in mechanical components such as gears, cams, and pulleys. They enhance these parts with durability, wear resistance, and smooth operation. The bronze alloys make sure that even under heavy loads, there is reliable performance while also minimizing friction and extending component life.
Pumps and Valves
These rods make a critical part of centrifugal pump parts and valves used in varied industries. They forge internal components that resist corrosion and cavitation, ensuring the longevity and reliability of pumps in fluid handling systems. In valves, leaded bronze improves sealing mechanisms, providing better fluid control in pipelines.
Electrical Contacts
Bronze rods play a vital role in electrical contacts and connectors for electrical systems. Their conductivity, corrosion resistance, and durability make them suitable for applications where reliability is key, such as power distribution systems and electronic devices. This bronze ensures stable electrical connections that withstand environmental factors.
Machinery Bushings
Commonly, leaded tin bronze rods are fashioned into bushings used in machines. Bushings made from this alloy reduce friction between moving parts, which promotes smoother operations in machinery. For applications such as industrial equipment and motor components, the alloy's wear resistance extends the lifespan of both bushings and adjacent parts.
Marine Hardware
For marine hardware, leaded tin bronze rod is a choice for fasteners, hinges, and propellers. The alloy's resistance to moisture and saltwater corrosion makes it ideal for boats, ships, and underwater structures. Properties of strength and durability ensure that marine hardware safely endures harsh marine conditions over extended periods.
Thus, for any buyer to have a clear understanding of leaded tin bronze rods, it is key to know the specifications and maintenance of the rods.
The maintenance of leaded tin bronze rods is primarily about the environment in which they are used and the application. Commonly, rods used in corrosive or high-moisture environments require regular inspections and maintenance. Marine applications, for example, may need frequent cleaning to remove salt deposits and other debris that could hasten corrosion over time.
In industrial settings, components made from leaded tin bronze should be inspected for wear, particularly in high-friction areas. Lubrication is often necessary to minimize wear and reduce friction further. The type of lubricant used should be compatible with bronze to avoid any chemical reactions that may affect the alloy adversely.
The durability of leaded tin bronze rods can be attributed to several key factors. Its composition provides exceptional wear resistance, particularly in applications involving heavy loads or adverse environmental conditions. The addition of lead to the alloy not only improves its machinability but also reduces friction between mating surfaces, which lessens the wear over time.
Corrosion resistance serves as another significant contributor to the rod's longevity. Bronze's ability to withstand moisture and chemicals makes it ideal for outdoor, marine, and chemical processing applications. Additionally, bronze rods have good thermo-mechanical stability. They maintain their mechanical properties even at high temperatures, making them suitable for use in engines and other heat-exposed machinery.
Thus, the C90700 approved bronze and others are engineered for specific applications such as bearings, bushings, gears, and various mechanical components in industrial machinery, automotive systems, and marine environments. The rod's lead content segregates it from standard bronze alloys because it is preferred in applications where machinability and antifriction characteristics are essential. Leaded bronze rods perform well in harsh environments, such as alternating current motors and saltwater exposure, due to their exceptional resistance to corrosion and durable nature.
Leaded tin bronze is intended for working into diverse forms, including rods, wires, and sheets. While rods are used for machined parts and bushings, wires can be utilized in electrical applications. Likewise, sheets offer versatility in making components such as gaskets, heat exchangers, and manifolds, as well as in artistic endeavors. However, the sheet's thickness and wire diameter will depend on the exact application.
The key here is that dealing with leaded tin bronze rods entails understanding the alloy's specifications, maintenance needs, and possible forms of applications for which the rods were intended. This way, the buyer gets all the required information to manage and use these rods effectively.
Several factors come into play for bulk buyers when choosing leaded tin bronze rods.
Application Requirements
The intended use influences the choice of alloy. In heavy-duty applications, C90700's high wear resistance will work well, while in marine environments, C90500's corrosion-resistant nickel additive will be advantageous. Users need to establish the operational demands and select an alloy that meets the necessary property thresholds in terms of durability, strength, and chemical resistance.
Rod Diameter and Size
Buyers need to consider the rod diameter and length, which should fit into their machining or fabrication processes. The rod's size should be compatible with the equipment used to machine the part. Therefore, buyers should usually source rods in the required diameters, or dimensions, and lengths or invest in adjustable cutting tools for flexibility.
Supplier Reputation
Thus, the leaded bronze bars' quality is dependent on the trust and credibility of the supplier. Buyers should seek bronze from reputable manufacturers who can provide detailed data, including alloy compositions, tolerances, and any testing results. Genuine suppliers will guarantee the consistency and reliability of the material, which is imperative.
Cost Considerations
Lead content increases processing costs since leaded tin bronze rods usually cost more than standard bronze. Different alloys will bear varying price tags depending on their compositions. For instance, bronze with nickel additions will be pricier than that without it. Buyers should weigh the material's worth against the operating costs before settling on an alloy.
Alloy Standards
Lead content and other additives conform to recognized industry standards. Therefore, buyers must ensure that the leaded tin bronze they choose meets the relevant specifications in their operating arena. This means the bronze should meet ANSI/ABMA and ASTM standards, among others. This ensures that the buyers receive materials that satisfy defined performance benchmarks.
A1: Leaded tin bronze comprises different copper percentages depending on the variety. Nonetheless, it generally contains 80% or more copper.
A2: Bronze alloy is highly corrosion-resistant, especially in moisture and chemical-exposed environments. Thus, it's ideal for marine and outdoor applications.
A3: The alloy's lead content enhances its antifriction and machinability properties, making it suitable for bushings and bearings.
A4: No. Leaded tin bronze rods are non-weldable, and this is due to their lead content, which tends to create porous and brittle welds. Therefore, they are welded using soldering or brazing.
A5: Leaded tin bronze is primarily used in bearings, gears, valve components, and other mechanical parts that require durability, smooth operation, and resistance to wear.
