Professional China Ultra Thin Copper Foil - Bronze Strip – CIVEN
Professional China Ultra Thin Copper Foil - Bronze Strip – CIVEN Detail:
Product Introduction
Bronze strip is copper with tin, aluminum, and trace elements as raw materials, through processing by ingots, hot rolled, cold rolled, heat treatment, surface cleaning, cutting, finishing and packing, materials with high yield strength, fatigue strength, elastic properties and excellent bending formability. It has been widely used in computer CPU socket, car terminals, mobile phone keypad, electrical and other high-tech electronics connectors.
Main Technical Parameters
3-1 Chemical Composition
Name |
Alloy No. |
Chemical Composition( %,Max.) |
||||||||
Sn |
Al |
Zn |
Ni |
Fe |
Pb |
P |
Cu |
Impurity |
||
Tin Bronze |
QSn4-0.3 |
3.5-4.9 |
— |
0.30 |
0.2 |
0.10 |
0.05 |
0.03-0.35 |
Rem |
0.2 |
QSn4-3 |
3.5-4.5 |
0.002 |
2.7-3.3 |
0.2 |
0.05 |
0.02 |
0.03-0.35 |
Rem |
0.2 |
|
QSn6.5-0.1 |
6.0-7.0 |
0.002 |
0.3 |
0.2 |
0.02 |
0.02 |
0.1-0.25 |
Rem |
0.1 |
|
QSn8-0.3 |
7.0-9.0 |
—— |
0.2 |
0.2 |
0.10 |
0.05 |
0.03-0.35 |
Rem |
0.1 |
|
Aluminum Bronze |
QAl5 |
0.1 |
4.0-6.0 |
0.5 |
0.5 |
0.5 |
0.03 |
0.01 |
Rem |
1.6 |
QAl7 |
—– |
6.0-8.5 |
0.2 |
0.5 |
0.5 |
0.02 |
—— |
Rem |
—— |
|
QAl9-2 |
0.1 |
8.0-10.0 |
1.0 |
0.5 |
0.5 |
0.03 |
0.01 |
Rem |
1.7 |
Name |
Alloy No. |
Chemical Composition( %,Max.) |
|||||||||
Be |
Al |
Si |
Ni |
Fe |
Pb |
Ti |
Co |
Cu |
Imputrity |
||
Beryllium Bronze |
QBe2 |
1.8-2.1 |
0.15 |
0.15 |
0.2-0.4 |
0.15 |
0.005 |
— |
— |
Rem |
0.5 |
QBe1.9 |
1.85-2.1 |
0.15 |
0.15 |
0.2-0.4 |
0.15 |
0.005 |
0.10-0.25 |
— |
Rem |
0.5 |
|
QBe1.7 |
1.6-1.85 |
0.15 |
0.15 |
0.2-0.4 |
0.15 |
0.005 |
0.10-0.25 |
— |
Rem |
0.5 |
|
QBe0.6-2.5 |
0.4-0.7 |
0.20 |
0.20 |
—— |
0.10 |
— |
— |
2.4-2.7 |
Rem |
— |
|
QBe0.4-1.8 |
0.2-0.6 |
0.20 |
0.20 |
1.4-2.2 |
0.10 |
— |
— |
0.30 |
Rem |
— |
|
QBe0.3-1.5 |
0.25-0.5 |
0.20 |
0.20 |
—— |
0.10 |
— |
— |
1.4-1.7 |
Rem |
— |
3-2 Alloy Table
Name |
China |
ISO |
ASTM |
JIS |
Tin Bronze |
QSn4-0.3 |
CuSn4 |
C51100 |
C5101 |
QSn4-3 |
CuSn4Zn2 |
— |
— |
|
QSn6.5-0.1 |
CuSn6 |
C51900 |
C5191 |
|
QSn8-0.3 |
CuSn8 |
C52100 |
C5210 |
|
Aluminum Bronze |
QAl5 |
CuAl5 |
C60600 |
—— |
QAl7 |
CuAl7 |
C61000 |
—— |
|
QAl9-2 |
CuAl9Mn2 |
—— |
—— |
|
Beryllium Bronze |
QBe2 |
CuBe2 |
C17200 |
C1720 |
QBe1.9 |
—— |
—— |
—— |
|
QBe1.7 |
CuBe1.7 |
C17000 |
C1700 |
|
QBe0.6-2.5 |
—— |
C17500 |
C1750 |
|
QBe0.4-1.8 |
—— |
C17510 |
C1751 |
|
QBe0.3-1.5 |
—— |
C17600 |
C1760 |
Main Technical Parameters
3-3-1Specification Unit: mm
Name |
Alloy No.(China) |
Temper |
Size(mm) |
|
Thickness |
Width |
|||
Tin Bronze Strip |
QSn4-3 QSn4-0.3 QSn6.5-0.1QSn8-0.3 |
O 1/2H H EH |
>0.12~2.0 |
≤600 |
O H EH |
||||
Aluminum Bronze Strip |
QA15 QA17 QA19-2 |
O H |
>0.2~1.2 |
80~300 |
1/2H H |
||||
O H EH |
>0.2~1.2 |
80~300 |
||
Beryllium Bronze Strip |
QBe2 QBe1.9 QBe1.7 QBe0.6-2.5 QBe0.4-1.8 QBe0.3-1.5 |
O |
0.05-1.5 |
10~340 |
H |
Temper Mark:O. Soft;1/4H. 1/4 Hard;1/2H. 1/2 Hard;H. Hard;EH. Ultrahard.
3-3-2 Tolerance Unit: mm
Thickness |
Width |
|||
Thickness Allow Deviation± |
Width Allow Deviation ± |
|||
<300 |
<600 |
<400 |
<600 |
|
0.05~0.1 |
0.005 |
—– |
0.2 |
—– |
0.1~0.3 |
0.008 |
0.015 |
0.3 |
0.4 |
0.3~0.5 |
0.015 |
0.020 |
0.3 |
0.5 |
0.5~0.8 |
0.020 |
0.030 |
0.3 |
0.5 |
0.8~1.2 |
0.030 |
0.040 |
0.4 |
0.6 |
3-3-3 Mechanical Performance:
Temper |
Tensile Strength N/mm2 |
Elongation ≥% |
Hardness HV |
|
M |
(O) |
≥295 |
40 |
—— |
Y4 |
(1/4H) |
390-510 |
35 |
100-160 |
Y2 |
(1/2H) |
440-570 |
10 |
160-205 |
Y |
(H) |
540-690 |
8 |
180-230 |
T |
(EH) |
≥640 |
5 |
≥200 |
Temper Mark:O. Soft;1/4H. 1/4 Hard;1/2H. 1/2 Hard;H. Hard;EH. Ultrahard.
Product detail pictures:
Related Product Guide:
Well-run devices, expert profits group, and better after-sales companies; We have been also a unified huge family, everybody keep on with the organization worth "unification, determination, tolerance" for Professional China Ultra Thin Copper Foil - Bronze Strip – CIVEN , The product will supply to all over the world, such as: Sierra Leone, Toronto, Philippines, Look forward to the future, we will focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let's develop market by fully utilizing our comprehensive advantages and strive for building.
By Andrew Forrest from Chicago - 2017.04.18 16:45
We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
By Helen from Buenos Aires - 2018.02.21 12:14