OEM China Copper Nickel Alloy Foil - Bronze Strip – CIVEN
OEM China Copper Nickel Alloy 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:

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We emphasize development and introduce new products into the market every year for OEM China Copper Nickel Alloy Foil - Bronze Strip – CIVEN , The product will supply to all over the world, such as: Dubai, Jordan, Italy, Based on products with high quality, competitive price, and our full range service, we have accumulated professional strength and experience, and we have built up a very good reputation in the field. Along with the continuous development, we commit ourselves not only to the Chinese domestic business but also the international market. May you moved by our high quality products and passionate service. Let's open a new chapter of mutual benefit and double win.

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