BZn15-20 Zinc White Copper Standard (GB/T 4423-1992)

Qianfu Copper Wholesale High-Quality High-Strength Corrosion-Resistant Nickel Silver BZn15-20 Plate German Silver Alloy Material Factory Direct Sales

Introduction to Nickel Silver

Material Name: BZn15-20 Nickel Silver

Standard: (GB/T 4423-1992)

Characteristics and Application Range:

It is a structural copper-nickel alloy, commonly known as German silver, with high strength and corrosion resistance, good plasticity, capable of withstanding pressure processing well in both hot and cold states, poor machinability, and poor weldability.

Chemical Composition:

Copper Cu: 62.0～65.0

Nickel + Cobalt Ni+Co: 13.5～16.5

Zinc Zn: Balance

Lead Pb: ≤0.02

Phosphorus P: ≤0.005

Iron Fe: ≤0.5

Manganese Mn: ≤0.3

Silicon Si: ≤0.15

Antimony: ≤0.002

Sulfur: ≤0.01

Arsenic As: ≤0.010

Carbon C: ≤0.03

Bismuth Bi: ≤0.002

Magnesium Mg: ≤0.05

Note: ≤0.9 (Impurities)

Mechanical Properties

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 Specification

Casting Temperature 1170°C; Annealing Temperature 700～750°C; Hot Rolling Processing Temperature 950～970°C; Stress Relief Temperature 250°C

Shanghai Qianfu Metal Materials Co., Ltd. is an enterprise engaged 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 introduced 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 rods, copper thin plates, copper thick plates, copper plates, copper strips.

Main Products of the Company:

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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