BZn18-18 Zinc White Copper Standard (GB/T 5231-2001)

Supply of High-Quality Stretched BZn18-18 Nickel Silver Strip, High-Strength Corrosion-Resistant Nickel Silver Bar, Factory Direct Sales

Chemical Composition

Copper Cu: 62.0～65.0

Nickel + Cobalt NiCo: 13.5～16.5

Zinc Zn: Balance

Lead Pb: ≤0.02

Lead Pb: ≤0.02

Boron P: ≤0.005

Iron Fe: ≤0.5

Manganese Mn: ≤0.3

Silicon Si: ≤0.15

Antimony Sb: ≤0.002

Sulfur S: ≤0.01

Arsenic As: ≤0.010

Carbon C: ≤0.03

Bismuth Bi: ≤0.002

Magnesium Mg: ≤0.05

Note: ≤0.9 (Impurities)

BZn18-18 Nickel Silver

Standard GB/T 4423-1992

Characteristics and Applications

It is a structural copper-nickel alloy with a beautiful silvery-white appearance, commonly known as German silver (originally Chinese silver). This alloy has high strength and corrosion resistance, good plasticity, and can withstand pressure processing well in both hot and cold states. It has poor machinability and weldability, and its elasticity is superior to QSn6.5-0.1.

Tensile Strength σ (MPa): ≥440

Elongation δ10 (%): ≥5

Note: Longitudinal room-temperature tensile mechanical properties of bars

Sample Size: Diameter or distance across flats 5～12

Heat Treatment Specifications

Casting Temperature 1170℃

Annealing Temperature 700～750℃

Hot Rolling Temperature 950～970℃

Low-Temperature Annealing Temperature for Stress Relief 250℃.

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, our company has specially imported copper materials, including: oxygen-free copper, red copper, phosphorus deoxidized copper, pure copper, brass, lead 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 bars, copper thin plates, copper thick plates, copper plates, copper strips.

Main Products:

1. Lead Brass/Lead 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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