Gnee  Ocel  (Tianjin)  Co.,  Ltd.

C7701/C7521/C7541 Germany Silver Strip

Sep 23, 2025

C7701 C7521 C7541 Copper Nickel Zinc Strip 

(Other Name: CuNi18Zn18; BZn18-18; C75200; C7521.)

 

BZn18-18 CuNi18Zn20 C75200 C7521
BZn18-26 CuNi18Zn27 C77000 C7701
BZn15-20 CuNi15Zn21 C75400 C7541

 

Ni+Co
BZn18-18 63.0-66.5 16.5-19.5 less than 0.25 less than 0.50 less than 0.05
BZn18-26 53.5-56.5 16.5-19.5 less than 0.25 less than 0.50 less than 0.05
BZn15-20 62.0-65.0 13.5-16.5 less than 0.5 less than 0.30 less than 0.02

 

1) Good color
2) High toughness
3) High strength
4) High stability
5) Excellent elasticity with fine silver gloss
6) Good fatigue
7) Rust and corrosion resistance properties
8) C7521 and C7541 have very good deep-drawing performance

 

1) Shielding material for communication electronics
2) Antenna material
3) EMI-shielding material
4) Spring contact
5) Flexible terminal
6) Environmentally-friendly plating-free electronic parts and components
7) Quartz oscillator
8) High-level material
9) Electric material

copper strip
foil copper tape
copper strip for earthing
copper roof strip
 

 

Wall thickness: 0.2-120mm
Outside Diameter: 2mm~910mm
Wall thickness: 0.2mm~910mm
Size: 2mm*4mm~1016mm*1219mm
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc
GB/T5231-2001.GB/T1527-2006.JISH3100-2006, JISH3250-2006, JISH3300-2006, ASTM-B152M-06, ASTM-B187, ASTM-B75M-02, ASTM-B42-02, ASTM-B370 /ASTM-B152 etc
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800,
C10910,C10920,TP1,TP2,C10930,C11000,C11300,C11400,C11500,
C11600,C12000,C12200,C12300,TU1,TU2,C12500,C14200,C14420,
C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,
C26000,C27000,C27400,C28000,C33000,C33200,C37000,C44300,
C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70600,
C70620,C71000,C71500,C71520,C71640,C72200,etc.
Standard export package,suit for all kind of transport,or as required.

 

 

C10100,C11000,C12200,C21000,C22000,C23000,C24000,C26000,
C27000,C26800,C27200,C27400,C28000,C36500,C33000,C35300,
C35600,C36000,C38500,C44300,C46400,C52100,C54400,C62300,
C65500,C67500,C67600,C86300,C90700,C93200,C95400 etc.

G/B

TU1,T2,TP2,H96,H90,H85,H80,H70,H65,H63,H62,H59,HPb63-3,
HPb66-0.5,HPb62-2,HPb62-3,HPb59-3,HSn70-1,HSn62-1,QSn8-0.3, QSn4-4-4,QAl9-4,QSB-1 etc.

C 1011,C 1100,C 1220,C3604,C 2100,C 2200,C 2300,C 2400, C 2600,
C 2700,C 2680,C 2720,C 2800,C 4430,C 4640,C 5210, C 5441, CAC304 etc

Cu-OFE,C 101,Cu-DHP,CZ 125,CZ 101,CZ 102,CZ 103,CZ 106,CZ 107, CZ 108,CZ 109,

CZ 123,CZ 124,CZ 121,CZ 111,CZ 133, Pb 104,
CS 101, CuSn10P etc.

CuZn5,CuZn10,CuZn15,CuZn20,CuZn30,CuZn35,CuZn33,CuZn36,
CuZn37,CuZn40,CuZn40Pb,CuZn37Pb2,CuZn36Pb3,CuZn39Pb3,
CuZn28Sn1,CuZn38Sn1,CuSn8,CuSn4Pb4Zn3,CuSi3Mn,CuZn25Al5,
CuSn10, CuSn7Zn3Pb7 etc.

Round, Square, Flat, Hexagon, Oval, Half-round or Customized

Standard(Diameter 5-160 mm) or Customized

Standard(Diameter 0.02-6 mm) or Customized

Standard(T 0.2-50 mm/W 200-3000 mm/L 6000 mm) or Customized

Standard(T 0.05-1.5 mm/W 20-600 mm/L 20000 mm) or Customized

Standard(OD 3-360mm/Wall thickness 0.5-50 mm) or Customized

GB/T,JIS,ASTM, ISO, DIN, BS, NF etc.

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard.

Plastic film + Wooden case or as per customer requirement

According to order's quantity.

By sea, by air, DHL, UPS, FedEx etc. or as required

 

 

500-2000mm or as customer request

0.2-120mm or as customer request

1000-6000mm or as customer request


food industry, agriculture, and Marine components.

 

 

0.6mm / 0.8mm / 0.9mm / 1.0mm / 1.2mm / 1.6mm

0.12mm-3.0mm

99.998%

Alu-Zinc coating

30-180g/m2

C21000,C22000,C22600,C23000,C24000,C26000,C26130,C26800,C27000,C27200,C27400, etc.

3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside

8-20 days

T/T, LC, Western Union, Paypal, etc.

1 Ton

 

 

CNC Turning,CNC Milling,Laser Cutting,Bending,Spining,Wire Cutting,Stamping, Electric Discharge Machining(EDM),Injection Molding,3D Printing,Rapid Prototype,Moulds etc.

Aluminum:2000 series,6000 series,7075,5052,etc.

Stainlesss steel:SUS303,SUS304,SS316,SS316L,17-4PH,etc.

Steel:1214L/1215/1045/4140/SCM440/40CrMo,etc.

Brass:260,C360,H59,H60,H62,H63,H65,H68,H70,Bronze,Copper

Titanium:Grade F1-F5

Plastic:Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.




Knurl,Laser/Etch/Engraveetc.

+ / - 0 . 0 1 m m


Min Ra 0.1~3.2

ISO9001:2015,IOS14001:2015,ROSH.

 

 

4242
 
 

Since our establishment in 2008, our company has specialized in the production and export of copper products. We utilize advanced production lines and a comprehensive quality control system. From raw materials to finished products, every step is rigorously inspected using precision instruments (such as spectrometers, metallographic microscopes, and conductivity testers) to ensure that our products meet international standards for composition, dimensions, and performance. We are committed to providing high-quality, high-precision copper products and reliable service to our global customers.
sales@gneesteel.com

 
200+

 
18+

 
35000+

 
8000+

 

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