High Quality CuNi15zn20/C75400 Copper Strip

• Customization: Available
• Type: Copper Strips
• Application: Lead Frames
• Model NO.: CuNi15Zn20
• Shape: Strip
• Alloy: Alloy
• Color: Silver
• Standard: GB/T
• Thickness Range: 0.05mm~3.0m
• Widthness: ≤1000
• ASTM: C75400
• Density: 8.9g/cm3
• Alloy Type: CuNi15zn20
• Transport Package: Base on Customers Requirement
• Specification: Customzied
• Trademark: Allotech
• Origin: China
• HS Code: 7410121000
• Production Capacity: 50 Tons Every Month

Product Description

Copper-nickel Strips
Copper-nickel alloy is made of copper, iron, nickel, zinc and trace elements, through processing by ingots, hot rolled, cold rolled, heat treatment, surface cleaning, cutting, finishing, packing and other processes. the product has a beautiful gloss, excellent hot and cold workability, ductility, corrosion resistance, fatigue resistance, high flexibility, good electrical and mechanical properties and shielding performance. It is widely used in the manufacture of wet and corrosive media in the work of structural components, flexible components, precision instruments, communications industry, liquid crystal oscillation element housings, medical equipment, construction, wind instruments and utensils, and daily necessities and so on. 

Main Technical Parameters: 
4-1 Mechanical Composition

Material	Alloy No.	Chemical Composition( %,Max.)
		Ni+Co	Fe	Zn	Mn	Pb	Si	Al	Cu	impurity
Copper-nickel Alloy	B19	18.0-20.0	0.5	0.3	0.5	0.005	0.15	------	Rem	0.2
Zinc-copper-nickel Alloy	BZn18-18	16.5-19.5	0.25	Rem	0.5	0.05	------	-------	63.5-66.5	-------
	BZn18-26	16.5-19.5	0.25	Rem	0.5	0.05	------	-------	53.5-56.5	------
	BZn15-20	13.5-16.5	0.5	Rem	0.3	0.02	0.15	-------	62.0-65.0	0.9

4-2 Alloy Table

Material	China	ISO	ASTM	JIS
Copper-nickel Alloy	B19	-----	C71000	MH19
Zinc-copper-nickel Alloy	BZn18-18	CuNi18Zn18	C75200	C7520
	BZn18-26	CuNi18Zn16	C77000	C7700
	BZn15-20	CuNi15Zn20	C75400	C7541

4-3 Features 
4-3-1Specification Unit: mm

Material	Alloy No.	Temper	Size(mm)
			Thickness	Width
Zinc-copper-nickel Alloy	B19 BZn18-18       BZn18-26  BZn15-20	O 1/2H H	0.15-1.2	10-300

Temper Mark:O. Soft;1/4H. 1/4 Hard;1/2H. 1/2 Hard;H. Hard;EH. Ultrahard.

4-3-2Tolerance Unit: mm

Thickness	Width
	Thickness Allow Deviation±		Width Allow Deviation ±
	300	600	400	600
0.1~0.3	0.008	0.015	0.3	0.4
0.3~0.5	0.015	0.020	0.3	0.5
0.5~0.8	0.020	0.030	0.3	0.5
0.8~1.2	0.030	0.040	0.4	0.6

4-3-3 Mechanical Performance

Temper		Tensile Strength       N/mm2	Elongation       ≥%	Hardness       HV
M	(O)	≥375	20	------
Y2	(1/2H)	440-650	5	120-210
Y	(H)	540-730	3	150-240
T	(EH)	≥710	------	210-270

Temper Mark:O. Soft;1/4H. 1/4 Hard;1/2H. 1/2 Hard;H. Hard;EH. Ultrahard.

Manufacturing Technique: 
We are professional as one of the leading strip for decorating manufacturers and suppliers in China, bringing you the best quality and effective products. We are equipped with a productive factory. Welcome to contact us.