中文
Features of C2720 Brass
It has good mechanical properties, high strength and plasticity, can withstand cold and hot pressure processing well, and has a tendency to corrode and crack.
Chemical composition of C2720 Brass
|
C2720 |
Cu |
Zn |
Ni |
Fe |
Sn |
|
62.0~64.0 |
margin |
≤0.3 |
≤0.05 |
≤0.1 |
Application of C2720 Brass
Electronic components. Precision instruments. Automation machinery. Auto parts. Door and window accessories. Water pipes and bathroom equipment. Small hardware, daily necessities, screws, etc.
Performance of C2720 Brass
|
Physical properties (The following values are based on the lowest temperature at a temperature of 20°C-300°C) |
|
|
Weight |
8.45 g/cm ³ |
|
Electrical Conductivity |
24 ％IACS |
|
Heat Transfer Number |
121 W/（m·K） |
|
Coefficient of Thermal Expansion |
20.2 10-6/ K |
|
Elastic Modulus |
110 GPa（KN/mm2） |
|
150℃x1000h Stress relaxation rate |
58％ |
|
Conditions |
Tensile strength |
Yield strength |
Elongation |
Hardness |
90 degree bending thickness≤0.5mm |
|
|
G/W |
B/W |
|||||
|
R300 |
300-370 |
≤180 |
≥38 |
55-105 |
0 |
0 |
|
R350 |
350-430 |
≥170 |
≥19 |
95-125 |
0 |
0 |
|
R410 |
410-490 |
≥300 |
≥8 |
120-155 |
0 |
0 |
|
R480 |
480-560 |
≥430 |
≥3 |
150-180 |
0.5 |
2 |
|
R550 |
≥550 |
≥500 |
– |
≥170 |
1 |
3 |
|
R630 |
≥630 |
≥600 |
– |
≥190 |
– |
– |
JIS Grades
-
C1011 Copper
Copper -
C1100 Copper
Copper -
C1201 Copper
Copper
