Grade: C7701 Nickel Silver Strip  

Standard: GB/T 1176-1987   

● Characteristics and Applications:  

C7701 nickel silver strip has high mechanical properties, good casting and machinability, with decent corrosion resistance in air, fresh water, and seawater, but is prone to stress corrosion cracking.   

● Chemical Composition:   

Copper Cu: 53.0–58.0

Nickel Ni: 17.0–19.0

Zinc Zn: Remainder

Tin: ≤0.5 (impurity)

Lead Pb: ≤0.5 (impurity)

Lead Pb: ≤0.5 (impurity)

Aluminum Al: ≤1.0 (not included in total impurities)

Iron Fe: 0.5–1.5

Manganese Mn: 3.0–4.0

Beryllium: ≤0.1 (impurity)

Note: Total impurities ≤1.5

Common Name: Nickel Silver (Copper-Nickel-Zinc Alloy).   

Nickel Silver, Copper-Nickel-Zinc Alloy — Features beautiful color, excellent ductility, fatigue resistance, corrosion resistance, and deep drawing performance. Applications: Liquid crystal oscillator component shells, crystal casings, potentiometer sliders, medical machinery, construction, wind instruments, etc. Shanghai Qianfu Metal Materials Co., Ltd. is an enterprise specializing in the production and sales of non-ferrous metal materials. To meet the special needs of a wide range of users, we have specially imported copper materials including: oxygen-free copper, red copper, phosphorus deoxidized copper, pure copper, brass, leaded brass, tin brass, iron brass, aluminum brass, manganese brass, silicon brass, nickel brass, tin bronze, tin phosphor bronze, aluminum bronze, beryllium copper, chromium copper, zirconium copper, chromium zirconium copper, iron bronze, nickel silicon bronze, cadmium bronze, magnesium bronze, silicon bronze, nickel silver, iron nickel silver, aluminum nickel silver, manganese nickel silver, and over 50 other series. We regularly stock various specifications: copper strips, copper tubes, copper rods, copper thin plates, copper thick plates, copper plates, copper strips. Main products: 1. Leaded Brass/Leaded Bronze: C19150, C31400, C31600, C36000, C33500, UH-12, C19160, etc. 2. Phosphor Bronze: Hsn62-1, Qsn4-3, Qsn5-5-5, Qsn6.5-0.1, Qsn4-0.3, Qsn4-4-2.5, Qsn4-4-4, QSn7-0.2, QSn6-6-3, etc. 3. Tin Phosphor Bronze: C93200/SAE660, C93700/SAE64, C54400, C51000, C52100, C48500, C46200, CC493K, etc. 4. Silicon Bronze/Silicon Brass: HSi80-3, QSi3-3.5-1.5, QSi3-1, QSi1-3, QSi1.8, QSi1.5-0.3, C65100, C65500, C65800, etc. 5. Nickel Silver/Copper-Nickel Alloy: C71000, C70400, C71500, C70600, B10, B19, B20, B30, BFe30-1-1, BFe10-1-1, C75200, C79200, Monel400, MonelK500, N04400, N05500, etc. 6. Manganese Brass/Manganese Nickel Silver: HMn62-3-1, QMn5, HMn57-3-1, HMn58-2, BMn3-12, BMn40-1.5, etc. 7. Aluminum Bronze: QAl9-2, QAl9-4, QAl10-3-1.5, QAl10-4-4, C62300, C61400, C63000, C63200, C95400, ZCuZn25Al6Fe3Mn3

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