CuSn10Pb10 Alloy Specification

1. Chemical Requirements

Element	Minimum (%)	Maximum (%)	Notes
Cu	780	820
Ni	–	20	Includes nickel
P	–	10
Pb	80	110
Sn	90	110
Zn	–	20
Al	–	1
Fe	–	25
Mn	–	2
S	–	10	Specified impurities are shown in light type
Sb	–	5
Si	–	1

2. Mechanical Properties (Minimum Values)

Casting Process	Tensile Strength Rm (MPa)	Elongation 5D A (%)	Hardness HBW 10/1000
Continuous (GC)	220	110	8
Centrifugal (GZ)	220	110	6

3. Closest International Standards

Region	Standards	Alloy Designation	Status
Europe	BS 1400, DIN 1716, NFA 53707, UNE 37103-2	LB2, CuPb10Sn, CuSn10Pb10, C-3320	–
USA	ASTM B505, ASTM B271	C93700 (SAE 64)	Active
Australia	AS 1565	C93700	Active
Japan	JIS H5121, JIS H5120	CAC603C, CAC603	Active
ISO	1338	CuPb10Sn10	–

4. Optional Heat Treatments

• Not applicable.

5. Technical Characteristics

• Material with high resistance to wear and traction.
• Material with excellent anti-friction properties.
• Corrosion resistant.
• Suitable for friction bearings for applications with high speeds, pressures, impacts, and vibrations.

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This formatting provides a clearer and more structured presentation of the alloy specifications, making it easier for readers to understand the properties and applications of the CuSn10Pb10 alloy.

The Remarkable Attributes of CuSn10Pb10 Bronze in Custom Slide Bearings and Plates

Introduction

In the realm of engineering materials, few metals can claim the versatility and robustness of CuSn10Pb10 bronze. Known for its exceptional wear resistance and durability, this tin-bronze alloy has become a favorite among manufacturers for creating highly reliable custom slide bearings and plates. Let’s explore why CuSn10Pb10 is the preferred choice for these applications and how it contributes to the overall efficiency and longevity of machinery.

Composition and Properties

CuSn10Pb10 is a high-tin bronze alloy that incorporates about 10% tin and 10% lead in its composition, with copper making up the bulk of the remainder. This composition is meticulously balanced to achieve a mix that provides superior strength and sliding properties. The addition of lead imparts excellent antifriction characteristics, making the alloy especially suitable for bearing applications where minimal friction is crucial.

Mechanical Properties

The mechanical properties of CuSn10Pb10 are notable for their high tensile strength and good elongation, which translates to an ability to withstand significant mechanical stress without permanent deformation. The typical hardness of the alloy is also optimized for durability and wear resistance, ensuring that components like slide bearings and plates can endure even under harsh operating conditions.

Applications in Slide Bearings

Custom slide bearings made of CuSn10Pb10 are pivotal in applications requiring high load capacity and resistance to impact. These bearings are often employed in heavy machinery, such as mining equipment, construction machinery, and marine applications, where robust materials are necessary to ensure operational reliability and safety. The self-lubricating properties introduced by the lead content reduce the need for frequent maintenance, a critical advantage in environments where accessibility and uptime are paramount.

Benefits in Plates

Similarly, plates manufactured from CuSn10Pb10 find their utility in areas subjected to heavy loads and where wear resistance is essential. The structural integrity of these plates makes them ideal for use in bridge construction, industrial machinery, and as base plates in heavy equipment. Their ability to resist corrosion and withstand environmental extremities without deteriorating adds to their appeal in outdoor and marine applications.

Manufacturing Process

The production of CuSn10Pb10 bronze slide bearings and plates typically involves either continuous casting or centrifugal casting. These methods are highly efficient and allow for the precise control of alloy composition, ensuring uniformity in the final product. The cast components can then be machined to exact specifications to fit bespoke applications, with finishing processes that enhance the surface quality and performance characteristics.

Case Studies and Success Stories

Numerous industries testify to the effectiveness of CuSn10Pb10 in enhancing machine performance. For instance, a major mining operation replaced their conventional bearings with CuSn10Pb10 slide bearings, resulting in a noticeable reduction in machinery downtime and maintenance costs. Similarly, bridge constructors have noted the longevity and stability provided by CuSn10Pb10 plates in structures exposed to high stress and corrosive elements.

Conclusion

CuSn10Pb10 bronze stands out in the metallurgical world for its superior wear resistance, mechanical strength, and corrosion resistance. As industries continue to demand more from their mechanical components, the role of this alloy in producing custom slide bearings and plates becomes increasingly significant. Investing in CuSn10Pb10 components means opting for reliability, efficiency, and long-term cost savings, making it a wise choice for any application requiring high-performance metallic components.

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For manufacturers and engineers looking to optimize the performance of their mechanical systems, CuSn10Pb10 bronze offers a proven solution that combines durability with exceptional functional benefits.