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KUPTİN® Nİ

Nickel Tin Bronze| CuSn12Ni2

KUPTİN Nİ (CuSn12Ni2), produced by Çorum Bronz, is a nickel-tin bronze alloy that offers high strength, superior wear resistance, and excellent durability against seawater thanks to its nickel content. It provides long-lasting performance in heavy-load and corrosive environments.

ISO: CuSn12Ni2
KUPTİN® Nİ Cover

01. Chemical Composition (%)

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Copper (Cu) %84.5-87
Tin (Sn) %11.0-13.0
Lead (Pb) %0.3 Max
Zinc (Zn) %0.4 Max
Nickel (Ni) %1.5-2.5

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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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 - 280-300 N/mm² -
Yield Strength - 160-180 N/mm² -
Hardness 85-95 HB -
Density - 8,8 g/cm³ -

05. Areas of Use

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In gears and worm wheels operating under heavy loads and impact
Heavy-duty pump impellers requiring wear resistance
Used in pulley bearings and machine parts

06. Global Equivalent Grades

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Region Standard Grade Definition Notes
flag Europe EN CuSn12Ni2-C Casting
flag Europe EN CuSn12Ni2-B Ingot
flag Europe EN CC484K Casting
flag Europe EN CB484K Ingot
flag USA ASTM C91700
flag USA ASTM C90800
flag Germany DIN CuSn12Ni
flag Germany DIN G-CuSn12Ni
flag United Kingdom BS CT2
flag Global ISO CuSn12Ni2
flag Global ISO CC484K
flag Türkiye Brand Name KUPTİN Nİ Çorum Bronz
flag Global Common Name GBz 12 Ni2.1060
flag Global Trade GBz 12 Ni Common Name

08. Standard Compliance

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EN EN 1982
ASTM C91700
BS CT2
ISO ISO 4378-3:2020
Türkiye KUPTİN Nİ

Long Notes

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KUPTİN Nİ (CuSn12Ni2) High-Performance Nickel Tin Bronze with Çorum Bronz Quality

Developed through Çorum Bronz’s advanced casting technologies, KUPTİN Nİ is a premium bronze alloy reinforced with nickel added to the tin bronze structure, offering enhanced strength and wear resistance.

Optimized for heavy-duty applications within the KUPTİN series, this product ensures maximum durability and long service life, especially in systems operating under seawater, chemical environments, and high loads.

Superior Material Properties

With Çorum Bronz production quality, KUPTİN Nİ offers:

  • High Strength and Hardness: Provides structural reliability.

  • Wear Resistance: Strong resistance against friction and surface deformation.

  • Corrosion Resistance: Outstanding durability against seawater and aggressive environments.

  • Dynamic Resilience: Resistant to cavitation and erosion.

  • Stability: Consistent performance under high loads.

Technical Structure and Mechanical Performance

KUPTİN Nİ (CuSn12Ni2) is a copper-based alloy strengthened with tin and nickel.

  • Tensile Strength: 260 – 320 MPa

  • Yield Strength: 120 – 160 MPa

  • Hardness: 70 – 90 HB

  • Density: 8.8 – 8.9 $g/cm^3$

  • Note: Nickel content specifically enhances the alloy's corrosion resistance and mechanical performance.

Global Equivalent Grades

  • EN Standard: CuSn12Ni2

  • DIN Standard: 2.1096

  • ASTM Standard: C92200

Common Applications

  • Marine Equipment: Propellers and maritime hardware.

  • Bearing Systems: Bushings and sliding bearings.

  • Fluid Control: Pump and valve components.

  • Energy Systems: Turbine and power plant parts.

Sectoral Applications

  • Marine & Offshore

  • Energy & Turbine Systems

  • Oil & Gas

  • Heavy Industry

  • Defense & Aerospace

Supply Options

KUPTİN Nİ products are available through Çorum Bronz in various forms:

  • Bronze Rods

  • Bronze Flat Bars

  • Bronze Plates


Why Choose Çorum Bronz KUPTİN Nİ?

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