Large Stock Nickel Silver Cunizn Alloy Strip Bzn18-18 UNS C75200 0.3mm Width 200mm

Product Description

C7521(CuNi18Zn20) UNS.C75200

Nickel Silver Alloys, also called Copper - Nickel - Zinc alloys, 65 - 18 - 18 respectively.which has good formability, good corrosion and tarnish - resistance performance, and this alloy has the pleasing silver - like color.

Chemical composition

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

Physical properties,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-workability	machinability	electric plating property	hot dip tin plating property	weldability	corrosion
8.73	6	32	125	0.34	excellent	suitable	excellent	excellent	good	excellent

Mechanical properties

Mechanical properties
State	Hardness HV	Tension test			bending test
		Thickness mm	Tensile strength MPa	elongation %	thickness	angles	ID
0	-	0.1-5.0	≥375	≥20	≤1.6	180°	sticking closely
1/2H	120-180	0.1-5.0	440-570	≥5	≤1.6	180°	100% of thickness
					≤0.5		200% of thickness
H	150-210	0.1-0.15	540-640	-	≤1.6	180°	200% of thickness
		>0.15-5.0		≥3	≤0.5		400% of thickness
EH	≥185	0.1-5.0	≥610	-	-	-	-

Features

1) Good color

2) High toughness

3) High strength

4) High stability

5) Excellent elasticity with fine silver gloss

6) Good fatigue

7) Rust and corrosion resistance properties

8) C7521 and C7541 have very good deep-drawing performance

Applications

1)对通信电子屏蔽材料s

2) Antenna material

3) EMI-shielding material

4) Spring contact

5) Flexible terminal

6) Environmentally-friendly plating-free electronic parts and components

7) Quartz oscillator

8) High-level material

9) Electric material

Any Inquiry about the Nickel Silver Strip..Welcome to asking.

Production Process

Zinc Germany Copper Alloy Copper Alloy Roll Weight 50kg~5000kg

Package

Strip C7521 / Copper Alloy Copper Alloy OEM Service Available

Zinc Germany Copper Alloy Copper Alloy Surface Bright like silver

Testing Equirement

0.6mm Nickel Silver Copper Alloy Copper Alloy Package Standard plywood case packaging or according to your demand

Shipment

Strip C7521 / Copper Alloy Copper Alloy Shape Strip Roll