Nickel Silver Strip B18/C7701, Coil

• Customization: Available
• Color: Antique Bronze
• Strength Grade: Hardness HRC50
• Model NO.: B18/C7701
• Material: Copper-Nickel Alloy
• Shape: Round Tube
• Surface Treatment: Nickel Plated
• Package: Standard Export
• Length: 6m
• Width: 2m
• Thickness: 1~100
• Transport Package: Fumigated Wooden Box
• Specification: 20-400mm
• Trademark: Taixie
• Origin: China
• HS Code: 7229901000

Product Description

Categories: High precision copper alloy strip & plate
Name: High performance zinc copper nickel alloy strip & plate
Number: C7701
Feature: Elasticity modulus: 115GPa
Good fatigue resistance.
Good electroplate performance
Welding performance is good
Fastness in high temperature
Good cold working, deep drawing, curve performance.
  
Articles,Chemical composition

Articles				Chemical composition
GB	UNS	EN	JIS	Cu%	Ni%	Zn%
BZn18-26	C77000	CuNi18Zn27	C7701	54-58	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
8.7	5	32	125	0.34	excellent	suitable	excellent	excellent	good	excellent

 
Mechanical properties

Mechanical properties
State	Hardness HV	Tension test				bending(in rolling direction)rest			bending(transverse to rolling direction)test
		thickness mm	tensile strength MPa	yield strength MPa	elongation%	thickness mm	angles	ID	thickness	angles	ID
1/2H	150-210	0.1-0.7	540-655	≥390	≥8	≤1.6	180°	150% of thickness	≤0.5	180°	300% of thickness
		≥0.71	540-655	≥390	≥11
H	180-240	0.1-0.7	630-735	≥390 ≥500	≥4	≤1.6	180°	200% of thickness	≤0.5	180°	400% of thickness
		≥0.71	630-735	≥500	≥6
EH	210-260	≥0.1	705-805	≥600	-	≤1.6	90°	300% of thickness	≤0.5	90°	600% of thickness
SH	230-270	≥0.1	765-865	≥680	-	-	-	-	-	-	-

 
Typical application
Shields,Liquid crystal oscillators
 
Articles,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	-	-	-	-

 
Typical application
Shields,Liquid crystal oscillators,pressing parts
 
Articles,Chemical composition

Articles				Chemical composition
GB	UNS	EN	JIS	Cu%	Ni%	Zn%
BZn15-20	C75400	CuNi15Zn20	C7541	60-64	12.5-15.5	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
8.7	6	32	135	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	≥355	≥20	≤1.6	180°	sticking closely
1/2H	110-170	0.1-5.0	410-540	≥5	≤1.6	180°	100% of thickness
H	≥135	0.1-0.15	≥490	-	≤1.6	180°	200% of thickness
		>0.15-5.0	≥490	≥3

 
Typical application
Shields,Liquid crystal oscillators