C27500, also known as Leaded Tin Bronze, CuSn10Pb10, or C27500 alloy, is a premium high-strength copper alloy widely used in bearings, bushings, gears, and precision components. Available in rods, sheets, plates, and strips, C27500 provides excellent wear resistance, fatigue strength, and corrosion resistance, making it ideal for automotive, marine, and industrial applications.
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High Quality
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Advanced Equipment
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Professional Team
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Products Description
Material Name: C27500 Copper Alloy
Alloy Type: Leaded Tin Bronze
Standards: ASTM B505, BS 2874, DIN 17663
Forms Available: Rods, Sheets, Plates, Strips
Applications: Bearings, Bushings, Gears, Springs, Marine Hardware
Properties: High Wear Resistance, Fatigue Strength, Corrosion-Resistant, Machinable
Chemical Composition (Typical %)
| Element | Cu | Sn | Pb | Zn | Fe | Others |
|---|---|---|---|---|---|---|
| C27500 | 80–86 | 9–11 | 9–11 | ≤1.0 | ≤0.3 | ≤0.05 |
Physical & Mechanical Properties
| Property | Value |
|---|---|
| Density | 8.8 g/cm³ |
| Melting Point | 910–950°C |
| Electrical Conductivity | 15 % IACS |
| Tensile Strength | 400–550 MPa |
| Yield Strength | 200–300 MPa |
| Elongation | 8–20 % |
| Hardness (Brinell) | 100–140 HB |
| Thermal Conductivity | 65 W/m·K |
| Corrosion Resistance | Excellent, especially in seawater |
Applications & Industries
Industries: Automotive, Mechanical, Marine, Electrical, Hydraulic Systems
Applications: Bearings, Bushings, Gears, Springs, Precision Components, Marine Hardware
Available Specifications / Sizes
| Form | Diameter / Width | Thickness | Length | Standard |
|---|---|---|---|---|
| Rod | 6–200 mm | N/A | 1–6 m | ASTM B505 |
| Sheet | 0.5–50 mm | 100–2000 mm | Custom | BS 2874 |
| Plate | 5–100 mm | 100–2000 mm | Custom | DIN 17663 |
| Strip | 1–20 mm | 10–1000 mm | Coil/Length | ASTM B505 |
Heat Treatment & Processing Info
Machinable, can be soldered or brazed
Welding possible with specialized techniques
Suitable for forming, stamping, and casting
Operating temperature range: –50°C to +250°C
Quality & Certification
Manufactured to ASTM, BS, DIN, and JIS standards
ISO9001, SGS, TUV certifications available
100% visual and dimensional inspection, chemical and mechanical testing
Surface finish: polished, mill finish, or custom per client request
We provide technical support, fast shipping, and custom solutions for all C27500 orders:
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
What is C27500 used for?
C27500 is primarily used in bearings, bushings, gears, springs, and precision components, especially where wear resistance and corrosion resistance are critical.
What are the alternative names for C27500?
Leaded Tin Bronze, CuSn10Pb10, C27500 alloy.
What forms does C27500 come in?
Rods, sheets, plates, strips, and custom-machined components.
What are the main properties of C27500?
High wear resistance, excellent fatigue strength, corrosion resistance, machinability, and thermal conductivity.
Is C27500 suitable for marine applications?
Yes, it has strong resistance to seawater corrosion, making it ideal for marine hardware.
Can C27500 be machined or welded?
It is highly machinable, suitable for turning, milling, and drilling. Soldering and brazing are common; welding requires special methods.
Which international standards does C27500 meet?
ASTM B505, BS 2874, DIN 17663, JIS H 4500.
What is the typical tensile strength of C27500?
Approximately 400–550 MPa, depending on temper and processing method.
How is C27500 packaged for shipping?
Export-standard packaging with wooden crates, protective films, or pallets to prevent damage and corrosion.
Do you offer custom thickness, dimensions, or shapes?
Yes, rods, sheets, plates, and strips can be produced according to customer-specified dimensions.
Is C27500 resistant to industrial corrosion?
Yes, it withstands oxidation, seawater, and general industrial corrosion environments.
Can you provide certifications for C27500?
Yes, ISO9001, SGS, and TUV certificates are available upon request.
What is the operating temperature range of C27500?
Suitable for –50°C to +250°C under standard service conditions.
Can C27500 be heat-treated or annealed?
Yes, C27500 can be annealed to improve machinability or relieve internal stresses without affecting corrosion resistance.
How does C27500 compare with C27460?
C27500 contains higher lead content, giving it better machinability, while C27460 has higher tin-phosphor content, offering superior wear and fatigue resistance.
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