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KUPTİN® P6

Phosphor Tin Bronzes | CuSn6P

KUPTİN P6 (CuSn6P), produced by Çorum Bronz, is a phosphor tin bronze alloy that offers high elasticity, wear resistance, and fatigue strength thanks to its phosphorus additive. It is an ideal solution for spring mechanisms and precision parts.

ISO: CuSn6P
KUPTİN® P6 Cover

01. Chemical Composition (%)

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Tin (Sn) 5.5% - 7.0 %
Zinc (Zn) 0.3% Max
Lead (Pb) 0.05% Max
Phosphorus (P) 0.01-0.040 % Max
Iron (Fe) 0.10% 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
stroke_full Round Bar

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 HB 120-160 HB -
Density - 8,8 g/cm³ -

05. Areas of Use

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Sliding elements and guide rails subjected to high loads.
Specifically thin-walled bearings
High-stress worm gears and gear wheels
Bolts and screws

06. Global Equivalent Grades

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Region Standard Grade Definition Notes
flag Europe EN CuSn6P
flag Europe EN CW451K
flag USA ASTM C51900
flag USA UNS C51900
flag Türkiye Brand Name KUPTİN P6 Çorum Bronz
flag Global Trade Phosphor Bronze Common Name

08. Standard Compliance

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EN EN 1982
ASTM C90700
BS BS 1400
Türkiye KUPTİN P6

Long Notes

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KUPTİN P6 (CuSn6P) High-Elasticity Phosphor Bronze with Çorum Bronz Quality

Developed through Çorum Bronz’s advanced metallurgical technology, KUPTİN P6 is a specialized phosphor bronze alloy. By adding phosphorus to the tin-bronze structure, it offers high elasticity, strength, and superior wear resistance.

Optimized for applications requiring flexibility and fatigue resistance, this product in the KUPTİN series provides long-lasting and reliable performance, particularly for spring systems, precision mechanisms, and components operating under repetitive loads.

Superior Material Properties

With Çorum Bronz production quality, KUPTİN P6 offers:

  • High Elasticity: Exceptional spring-back and flexing capability.

  • Enhanced Wear Resistance: Improved durability thanks to phosphorus additives.

  • High Fatigue Strength: Designed for long-term use under cyclic stress.

  • Efficiency: Low friction coefficient for efficient operation.

  • Durability: Resistant to corrosion and environmental factors.

Technical Structure and Mechanical Performance

KUPTİN P6 (CuSn6P) is an alloy composed of copper, tin, and phosphorus.

  • Tensile Strength: 250 – 300 MPa

  • Yield Strength: 120 – 160 MPa

  • Hardness: 70 – 90 HB

  • Density: 8.8 – 8.9 $g/cm^3$

  • Note: These values ensure the alloy delivers reliable performance in applications requiring both flexibility and strength.

Global Equivalent Grades

  • EN Standard: CuSn6P

  • DIN Standard: 2.1020

  • ASTM Standard: C51900

Common Applications

  • Spring Mechanisms: High-performance springs and flexible components.

  • Electrical Components: Electrical contacts and connectors.

  • Precision Engineering: Sensitive machine parts and instruments.

  • Bearing Systems: Bushings and sliding bearing systems.

Sectoral Applications

  • Electrical & Electronics

  • Automotive

  • Machine Manufacturing

  • Precision Engineering

  • Marine

Supply Options

KUPTİN P6 phosphor bronze products are available through Çorum Bronz in various forms:

  • Bronze Rods

  • Bronze Flat Bars

  • Bronze Plates


Why Choose Çorum Bronz KUPTİN P6?

KUPTİN P6 is not just an alloy; it is a professional engineering solution providing high elasticity, long service life, and competitive pricing advantages.