IPDB › China Industry › Metallurgy, Mineral & Energy › Alloy
Cunizn Copper Alloy Nickel Silver Alloy Strip1
Nickel Alloy, Nickel Silver, Copper Nickel
DONGGUAN INT METAL TECH CO., LTD
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Product Description CuNiZn copper alloy Nickel Silver alloy stripNickel Silver Copper factory, more than 12 years manufacture experience, attained ISO9001, work on OEM and ODM projects.. 1. Introduction of the C7701 C7521 Nickel Silver stripC7701 C7521 Nickel Silver Alloys, also called Copper-Nickel-Zinc alloys, which has good formability, good corrosion and tarnish-resistance performance, and this alloy has the pleasing silver-like color. 2. Grade and temper for C7701 C7521 Nickel Silver strip Grade: UNS.C77000, CDA770, CuNi18Zn27, JIS C7701, BZn18-27 ,CW410J UNS C75200, CDA752 , CuNi18Zn20, JIS C7521, BZn18-20, CW409JTemper: O(M), 1/4H(Y4), 1/2H(Y2), H(Y), HH(T) 3. Chemical composition of C7701 C7521 Nickel Silver strip C7701 Chemical Composition:Cu: 54.0-58.00%Ni: 16.5.00-19.5%Fe: 0.25% Max.Pb: 0.05% Max.Mn: 0.50% Max.Zn: BalanceC7521 Chemical Composition:Cu: 62.0-66.00%Ni: 16.5.00-19.5%Fe: 0.25% Max.Pb: 0.05% Max.Mn: 0.50% Max.Zn: BalanceMaterialGrade Chemical Composition BeNiCoSnMnFePbCu Nickel silverC7701~16.5-19.5~~0~0.5≤0.25≤0.0554-58 C7521~16.5-19.5~~0~0.5≤0.25≤0.0562-66 4. Dimension and tolerance of C7701 C7521 Nickel Silver strip Thickness mmWidth mm≤200>200~400>400~600>600~1000Thickness tolerance / ± mmOrdinary Level Ordinary Level Ordinary Level Ordinary Level 0.10~0.200.010 0.015 0.015 - >0.20~0.300.015 0.020 0.020 - >0.30~0.500.020 0.025 0.030 0.050 >0.50~0.700.030 0.035 0.040 0.060 >0.70~1.100.040 0.045 0.050 0.070 >1.10~1.500.050 0.055 0.060 0.080 >1.50~2.500.055 0.060 0.080 0.100 5. Characteristics of C7701 C7521 Nickel Silver strip Mechanical PropertiesAlloy NoQualityGradeTensileStrength(Kgf/mmElongation %Hardness Test HVC7521O≥38.5≥20~1/2H45~58≥5120~180H≥55≥3≥150C77011/2H55~66≥8150~210H64~75≥5180~240EH72~82~240~260SH78~88~230~270 6. Application of C7701 C7521 Nickel Silver stripC7701 C7521 Nickel Silver strip is mainly used in Liquid crystal oscillator component housing, medical machinery, slides for potentiometers, precision instruments, architecture, wind instruments, etc. 7. Manufacture plant of C7701 C7521 Nickel Silver strip8. Tests and inspection for C7701 C7521 Nickel Silver stripTest instrument : Metallographic Microscope; Digital Light Processor; Strength Tester; Hardness Tester. 9. Quality control process for C7701 C7521 Nickel Silver strip10. Packing and shipping for C7701 C7521 Nickel Silver strip Packing: First wrapped by anti-rust paper, second wrapped by plastic film, then packed by wooden box or wooden pallet ..Shipping:We will choose the best way according to customer's requests.1. By Air, to the indicated airport.2. By Express (FedEx, UPS, DHL, TNT, EMS), to the indicated address.2. By Sea, to the indicated sea port. 11. Questions and Answersa1. Do you have ISO certificate?Yes, we obtained ISO9001a2. How long is your delivery time for C7701 C7521 Nickel Silver strip?If the master coil is available, 3-7 days do slitting will be ready , if not, will need 20-25 days for new production.a3. Can you help us to choose suitable material? Yes, we can recommend the most suitable material according to your application.a4. How do you control quality?We produce strictly according to customer's drawings and requests, here are strict control plan in every process, full check of each parts, strive to provide customer 100% quality products, ROHS/SGS test report, material certificate are available.a5. Do you provide sample? Free or charge?Yes, if the sample in stock available, free of charge, if not, need to charge some mfg cost.
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