Customization: | Available |
---|---|
Product Type: | Strip |
Material: | C7521 |
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Categories: High precision copper alloy strip & plate
Name: High performance zinc copper nickel alloy strip & plate
Number: C75200
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% |
BZn18-18 | 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-work ability |
machin ability |
electric plating property | hot dip tin plating property | weld ability |
8.73 | 6 | 32 | 125 | 0.34 | excellent | suitable | excellent | excellent | good |
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 | - | - | - | - |