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CuNi18Zn20 Copper Based Alloys Wire High Toughness For Flexible Terminal

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China Ohmalloy Material Co.,Ltd certification
China Ohmalloy Material Co.,Ltd certification
I search for Nichrome plate long time, and successfully bought it from Ohmalloy material. OHMALLOY provide real good service in alloy service and can always help me in finding the correct resistance alloy.

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OHMALLOY can provie me only 1kg Kovar alloy wire 1.0mm with short time, that is really amazing. Thanks

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Enamelled Constantan 0.08mm, i never expect to get only 2kg of it. But OHMALLOY supply it to me with good quality. God Jesus! Such a reliable supplier from china

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CuNi18Zn20 Copper Based Alloys Wire High Toughness For Flexible Terminal

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Large Image :  CuNi18Zn20 Copper Based Alloys Wire High Toughness For Flexible Terminal Get Best Price

Product Details:
Place of Origin: jiangsu
Brand Name: Ohmalloy/OEM
Model Number: SP-ohmalloyCZ20
Payment & Shipping Terms:
Minimum Order Quantity: 25 kg
Price: USD 5~15/KG
Packaging Details: Plastic packing inside, wooden box outside , choose the suitable packing, Alos it can be customized by the clients' demand.
Delivery Time: 8-15 working days after payment
Payment Terms: L/C, T/T, , MoneyGram,Paypal
Supply Ability: 5Tons per month
Detailed Product Description
Product Name: CuNi18Zn20 Maillechort Nickel Silver Copper C7521 Appearance: Shinny/Clean
Application: EMI-shielding/Spring Contact/Flexible Terminal/etc State: 0/1/2H/H/EH
Electrical Conductivity (%IACS): 6 Thermal Conductivity W/(M.K): 32
Modulus Of Elasticity (GPa): 125
High Light:

co ni alloy


copper nickel alloy

CuNi18Zn20 Maillechort C7521German Silver Wire/Strip/Bar/Ribbon


C7521(CuNi18Zn20),has,many,features:good color, high toughness,high strength,high stability,excellent elasticity with fine silver gloss,good fatigue, rust and corrosion resistance properties.C7521 and C7541 have very good deep-drawing performance.


C7521can,be,applied,to,shielding material for communication electronics,antenna material,EMIshielding material,spring contact,flexible terminal, environmentallyfriendly plating-free electronic parts and components,quartz oscillator,high-level material,electric material.

1. Product DetailsCuNi18Zn20  Copper Based Alloys Wire High Toughness For  Flexible Terminal 0

1)Normal composition:

Cu Ni Zn Mn Fe Pb
62-66% 16.5-19.5% Bal. 0-0.5% <0.25% <0.10%

2)Typical Mechanical Properties:

Grade State Hardness(HV) Tensile Strength (N/MM2) Elongation(%)
C7521 0 - 375 20
1/2H 120-180 440-570 5
H 150-210 540-640 3
EH 185 610 -

3)Typical Physical Properties:

Density (g/cm3) 8.73
Electrical Conductivity (%IACS) 6
Thermal Conductivity W/(M.K) 32
Modulus of elasticity (GPa) 125
Specific Heat J/(g.K) 0.34

4)Fabrication Properties:

Cold-workability Machinability Electric Plating Property Hot Dip Tin Plating Property Weldability Corrosion
Excellent Suitable Excellent Excellent Good Excellent


5)Supply Style:

Alloy Type Type Dimension
C7521W Wire D=0.03mm-8.0mm
C7521R Ribbon W=0.4mm-40mm T=0.03mm-2.9mm
C7521S Strip W=8.0mm-250mm T=0.1mm-3.0mm
C7521F Foil W=6mm-120mm T=0.003mm-0.1mm
C7521B Bar W=8.0mm-100mm L=50mm-1000mm



2.  Production Progress


CuNi18Zn20  Copper Based Alloys Wire High Toughness For  Flexible Terminal 1



3. Our Service



CuNi18Zn20  Copper Based Alloys Wire High Toughness For  Flexible Terminal 2



5. Question and Answer


Q1: How can I contact with your company?

A1:We have multiple communication channels : Tel/ :+86-15826530281


Q2: Do you provide free samples?

A2:Yes,we can provide free samples for your testing,but buyer should bear the shipping costs.


Q3: What is your payment terms?

A3:30% in advance,balance after receiving the copy of B/L. T/T,L/C,,Paypal is OK.


Q4: What is your lead time?

A4:On normal condition,the lead time is 7 days after the payment. Special order or quantity is subject to the negotiation.


Contact Details
Ohmalloy Material Co.,Ltd

Contact Person: Sparrow

Tel: +8617301606058

Send your inquiry directly to us