Zn: Balance
|
GB |
UNS |
EN |
JIS |
Cu% |
Ni% |
Zn% |
|
BZn18-18 |
C75200 |
CuNi18Zn20 |
C7521 |
62-66 |
16.5-19.5 |
Rem |
Mechanical Properties
|
Mechanical Properties for C75200 alloy |
||||
|
Alloy No |
Quality |
Tensile |
Elongation % |
Hardness Test HV |
|
Grade |
Strength |
|
|
|
|
|
（Kgf/mm |
|
|
|
|
C75200 |
O |
≥38.5 |
≥20 |
~ |
|
1/2H |
45~58 |
≥5 |
120~180 |
|
|
H |
≥55 |
≥3 |
≥150 |
|