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KUPTİN® P8

Phosphor Tin Bronze | CuSn8P

KUPTİN P8 (CuSn8P), produced by Çorum Bronz, is a phosphor tin bronze alloy that offers high wear resistance, spring-back capability, and fatigue strength thanks to its phosphorus additive. It ensures long-lasting performance in bushings, bearings, and precision mechanical applications.

ISO: CuSn8P DIN: EN 1982 BS: 1400
KUPTİN® P8 Cover

01. Chemical Composition (%)

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Tin (Sn) 7.0 - 9.0 %
Phosphorus (P) 0.01-0.4 %
Lead (Pb) 0.05% Max
Zinc (Zn) 0.3% Max
Copper (Cu) Rest

02. Industries Served

factory
oil_barrel
Oil & Gas Drilling Equipment
precision_manufacturing
Automotive Bushings
wind_power
Energy Turbines
sailing
Maritime & Defense Propulsion Systems
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Aerospace and Space Landing Gear

03. Supply Forms

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transition_fade Custom Casting
radio_button_unchecked Hollow Bar / Pipe
sort Flat Bar / Plate

04. Mechanical Properties

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Property Name Imperial (psi) Metric (MPa) Test Method
Tensile Strength - 390-450 N/mm² -
Yield Strength - 260-280 N/mm² -
Hardness 120-160 HB 120-160 HB -
Density - 8,8 g/cm³ -

05. Areas of Use

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Bushing and Sliding Bearing Systems: High-durability wear parts.
Spring Mechanisms: High-performance flexible components.
Electrical Components: Electrical contacts and connection elements.
Gear Systems: Gears and reducer systems.
Fluid Control: Pump

06. Global Equivalent Grades

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Region Standard Grade Definition Notes
flag Europe EN CuSn8P
flag Europe EN CW459K
flag USA ASTM C90700
flag United Kingdom BS 1400 PB1
flag Global Trade Phosphor Tin Bronze Common Name

08. Standard Compliance

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EN EN 1982
BS BS 1400
ASTM C90700

Long Notes

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KUPTİN P8 (CuSn8P) High-Performance Phosphor Bronze with Çorum Bronz Quality

Developed through Çorum Bronz’s advanced metallurgical technology, KUPTİN P8 is a specialized engineering alloy that offers high strength, wear resistance, and fatigue durability thanks to its phosphorus-doped tin bronze structure.

Specifically developed for applications requiring precision and high performance, this product in the KUPTİN series provides long-lasting and stable performance in systems operating under continuous movement, friction, and repetitive loads.

Çorum Bronz offers not only technical superiority with the KUPTİN series but also the advantages of competitive pricing and fast supply.

Superior Material Properties

With Çorum Bronz production quality, KUPTİN P8 offers:

  • High Wear Resistance: Provides a long service life.

  • Enhanced Strength and Hardness: Increased mechanical properties due to phosphorus additives.

  • High Fatigue Resistance: Maintains performance under cyclic and repetitive stress.

  • Efficiency: Low friction coefficient for smooth operation.

  • Corrosion Resistance: Resistant to environmental factors and seawater.

These features make the KUPTİN P8 alloy ideal for both mechanical and electrical applications.

Technical Structure and Mechanical Performance

KUPTİN P8 (CuSn8P) is a high-performance alloy containing copper, tin, and phosphorus.

  • Tensile Strength: 280 – 320 MPa

  • Yield Strength: 140 – 180 MPa

  • Hardness: 85 – 95 HB

  • Density: 8.8 – 8.9 $g/cm^3$

  • Note: These values ensure reliable performance, especially in systems where friction and fatigue are intense.

Global Equivalent Grades

  • EN Standard: CuSn8P

  • DIN Standard: 2.1030

  • ASTM Standard: C52100

Common Applications

  • Bushing and Sliding Bearing Systems: High-durability wear parts.

  • Spring Mechanisms: High-performance flexible components.

  • Electrical Components: Electrical contacts and connection elements.

  • Gear Systems: Gears and reducer systems.

  • Fluid Control: Pump and valve components.

Sectoral Applications

  • Electrical & Electronics

  • Automotive

  • Machine Manufacturing

  • Marine

  • Precision Engineering

Supply Options

KUPTİN P8 phosphor bronze products are available through Çorum Bronz in various forms:

  • Bronze Rods

  • Bronze Flat Bars

  • Bronze Plates


Why Choose Çorum Bronz KUPTİN P8?

KUPTİN P8 is not just an alloy; it is a professional solution providing high performance, long life, and competitive pricing advantages.