OEM China Copper Nickel Alloy Foil - Bronze Strip – CIVEN

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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.)
Name	Alloy No.	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.)
Name	Alloy No.	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.

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We can easily usually fulfill our respected customers with our very good top quality, very good price tag and excellent support due to we have been more expert and much more hard-working and do it in cost-effective way for OEM China Copper Nickel Alloy Foil - Bronze Strip – CIVEN , The product will supply to all over the world, such as: India, Suriname, Greek, Our aim is to help customers realize their goals. We have been making great efforts to achieve this win-win situation and sincerely welcome you to join us. In a word, when you choose us, you choose a perfect life. Welcome to visit our factory and welcome your order! For further inquiries, you should do not hesitate to contact us.

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It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.

By Penelope from Iraq - 2018.05.22 12:13

The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!

By Laura from America - 2018.09.19 18:37

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