China New Product Ffc Copper Foil - Bronze Strip – CIVEN

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"Control the standard by the details, show the power by quality". Our organization has strived to establish a highly efficient and stable employees team and explored an effective high-quality command method for Reverse Treated Foil, Bronze Strip, Annealed Rolled Copper Foil, Our merchandise delight in excellent popularity among our buyers. We welcome consumers, business enterprise associations and good friends from all components with the globe to make contact with us and seek out cooperation for mutual rewards.

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.)
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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Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for China New Product Ffc Copper Foil - Bronze Strip – CIVEN , The product will supply to all over the world, such as: Myanmar, Manchester, Guinea, The company attaches great importance to product quality and service quality, based on the business philosophy "good with people, genuine to whole world, your satisfaction is our pursuit". we design products, According to customer's sample and requirements, to meet the needs of the market and offer different customers with personalized service. Our company warmly welcomes friends at home and abroad to visit, to discuss cooperation and seek common development!

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