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C75200 Copper Strip

Grade:BZn18-18,C75200,CuNi18Zn20,C7521
Standard:GB,UNS,EN,JIS
Temper:Soft ,1/4hard ,1/2hard, hard,T-hard
Size: Thickness 0.01-5mm,Width:7-610mm
Surface:Bright like silver
MOQ:50kg
Delivery Time: 15days

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Description

Product descriptions

Copper-Nickel-Zinc alloy, also called nickel silver, German silver, new silver, nickel brass, albata, or electrum, is a copper alloy with nickel and often zinc. Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

Standard and Chemical Composition

Standard				Chemical composition
GB	UNS	EN	JIS	Cu%	Ni%	Zn%
BZn18-18	C75200	CuNi18Zn20	C7521	62-66	16.5-19.5	Rem

Mechanical Properties

Standard			Temper	Tension Test			Hardness Test
GB	JIS	UNS	Temper	Thickness mm	Tensile Strength MPa	Elongation%	Thickness mm	Vickers Hardness HV
Bzn18-18	C7521	C75200	0	0.08-10.0	≥375	≥20	-	-
			1/2H	0.08-10.0	440-570	≥5	≥0.06	120-180
			H	0.08-10.0	≥540	≥3	≥0.06	150-200

Physical properties And Fabrication Properties

Physical Properties					Fabrication Properties
Density g/cm3	Electrical Conductivity %IACS	Thermal Conductivity W/(m.K)	Modulus of Elasticity GPa	Specific Heat J/(g.K)	Cold-Work	Machine	Electric Plating Property	Hot Dip Tin Plating Property	Weld
					Ability	Ability			Ability
8.73	6	32	125	0.34	Excellent	suitable	Excellent	Excellent	Good

Application:

Copper-nickel-zinc alloy strip is widely used in antenna, cellphone shielding case,crystal resonator shell, silverware, jewelry, glasses, medical apparatus and instruments, zipper and keys' industry.

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C77000 Copper Nickel Zinc Alloy

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