Uns C75200 Tube German Silver Pipe for Pressing Parts

Model NO.: C7521 Material: Cu,Ni,Zn Status: Bright Electrical Conductivity %Iacs: 6 Modulus of Elasticity Gpa: 125 Cold-Workability: Excellent Electric Plating Property: Excellent Trademark: Ualloy Origin: Zhejiang, China Product Type: Tube,Pipe Carbon Content: Low Carbon Density g/cm3: 8.73 Thermal Conductivity W/(M.K): 32 Specific Heat J/(G.K): 0.34 Machinability: Suitable Hot DIP Tin Plating Property: Excellent Specification: RoHS, SGS HS Code: 74082290 1. Description
 
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.
 
       Chemical Content(%)
 

Cu	Fe	Mn	Ni	Pb	Zn
61.0~67.0	< 0.25	< 0.5	16.5~19.5	< 0.1	Remainder

 
 
          Mechanical Properties
 

Condition	1/2 Hard	Hard	Annealed
Hardness	120 ~ 180 HV	Min. 150 HV	-
Tensile Strength	440 ~ 570 MPa	Min. 540 MPa	Min. 373 Mpa
Elongation	Min. 5%	Min. 5%	Min. 20%

 
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


2. Specification
 
Pipe/tube : OD 18-350mm.
 
 
3. Packing detail 
 1). Coil (plastic spool) + compressed ply-wooden case + pallet 
 2). Coil (plastic spool) + carton + pallet  
 5. Products and services
 
4. Products and services
1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
4). Fast delivery;

Contact us if you need more details on C7521. We are ready to answer your questions on packaging, logistics, certification or any other aspects about C75200、CuNi18zn20. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Cupronickel Alloy