Factory Price For Treated Rolled Copper Foil - Bronze Strip – CIVEN

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Factory Price For Treated Rolled 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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We follow our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We aim to create much more worth for our buyers with our abundant resources, highly developed machinery, experienced workers and great providers for Factory Price For Treated Rolled Copper Foil - Bronze Strip – CIVEN , The product will supply to all over the world, such as: Sevilla, Mexico, Casablanca, With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.

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