Bronze Strip

  • Description
Product Detail

Bronze Strips

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.

Manufacturing Technique:
 

Civen Metal is professional as one of the leading bronze strip manufacturers and suppliers in China, bringing you the best quality and effective products. We are equipped with a productive factory. Welcome to contact us.

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Civen Metal Material (Shanghai) Co.,Ltd

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