China New Product Ffc Copper Foil - Bronze Strip – CIVEN
China New Product Ffc 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:
We are proud of the high customer satisfaction and wide acceptance due to our persistent pursuit of high quality both on product and service for China New Product Ffc Copper Foil - Bronze Strip – CIVEN , The product will supply to all over the world, such as: Spain, South Africa, Cairo, Our products are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of "Quality First, Reputation First, the Best Services."

We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
