KUPTİN® PB9
High-Lead Tin Bronze | CuSn5Pb9
KUPTİN PB9 (CuSn5Pb9), produced by Çorum Bronz, is a tin bronze alloy that offers low friction, superior sliding performance, and the ability to operate without lubrication thanks to its high lead content. It ensures reliable and long-lasting use in bushing and bearing applications.
01. Chemical Composition (%)
science02. Industries Served
factory03. Supply Forms
inventory_204. Mechanical Properties
engineering| Property Name | Imperial (psi) | Metric (MPa) | Test Method |
|---|---|---|---|
| Tensile Strength | - | 160-200 N/mm² | - |
| Yield Strength | - | 80-100 N/mm² | - |
| Hardness | 55-60 HB | - | |
| Density | - | 8,87 g/cm³ | - |
05. Areas of Use
settings_suggest| Light-duty machine parts | |
| Agricultural machinery parts | |
| Pumps and thrust washers/bearings |
06. Global Equivalent Grades
public| Region | Standard | Grade Definition | Notes |
|---|---|---|---|
| flag Europe | EN | CuSn5Pb9-C | Casting |
| flag Europe | EN | CuSn5Pb9-B | Ingot |
| flag Europe | EN | CC494K | Casting |
| flag Europe | EN | CB494K | Ingot |
| flag Germany | DIN | CuSn5Pb9-C | |
| flag USA | ASTM | C93500 | |
| flag Türkiye | Brand Name | KUPTİN PB9 | Çorum Bronz |
| flag Global | Trade | High-Lead Tin Bronze | Common Name |
07. Technical Resources
folder_open08. Standard Compliance
verified_userLong Notes
note_altKUPTİN PB9 (CuSn5Pb9) High-Leaded Tin Bronze with Çorum Bronz Quality
Developed through Çorum Bronz’s advanced casting technologies, KUPTİN PB9 is a specialized tin bronze alloy optimized for sliding performance, low friction, and wear resistance thanks to its high lead content.
Part of the KUPTİN series designed for sliding surfaces, this product ensures long-lasting and stable performance, particularly in systems where lubrication is insufficient, operations are intermittent, or friction is intense.
Superior Material Properties
With Çorum Bronz production quality, KUPTİN PB9 offers:
Superior Sliding Performance: Achieved via a low friction coefficient.
Dry-Running Capability: Suitable for oil-free or low-lubrication conditions.
High Wear Resistance: Extends the service life of components.
Corrosion Resistance: Durable against harsh environments.
Stability: Maintains performance under impact and vibration.
Technical Structure and Mechanical Performance
KUPTİN PB9 (CuSn5Pb9) is a copper-based alloy containing tin and a significant proportion of lead.
Tensile Strength: 160 – 200 MPa
Yield Strength: 80 – 100 MPa
Hardness: 55 – 60 HB
Density: 8.8 – 8.9 $g/cm^3$
Note: These mechanical values ensure the alloy remains reliable on high-friction surfaces.
Global Equivalent Grades
EN Standard: CuSn5Pb9
DIN Standard: 2.1090
ASTM Standard: C93700
Common Applications
Bearing Systems: Bushings and sliding bearings.
Fluid Control: Pump and valve components.
Mechanical Systems: Machine bearings and gear systems.
Sectoral Applications
Machine Manufacturing
Automotive
Energy
Marine
Oil & Gas
Supply Options
KUPTİN PB9 leaded tin bronze products are available through Çorum Bronz in various forms:
Bronze Rods
Bronze Flat Bars
Bronze Plates
Why Choose Çorum Bronz KUPTİN PB9?
KUPTİN PB9 is more than just an alloy; it is a professional engineering solution providing low friction, long service life, and competitive pricing advantages.