2021 New Style Tin Plated Copper Sheet - Bronze Strip – CIVEN

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We usually keep on with the principle "Quality To start with, Prestige Supreme". We've been fully committed to offering our purchasers with competitively priced excellent solutions, prompt delivery and skilled support for Insulated Copper Strip, Brass Strips, Transformer Copper Foil, By 10 years effort, we attract customers by competitive price and excellent service. Moreover, it's our honest and sincerity, which help us always be clients' first choice.

2021 New Style Tin Plated Copper Sheet - 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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To create far more benefit for customers is our company philosophy; customer growing is our working chase for 2021 New Style Tin Plated Copper Sheet - Bronze Strip – CIVEN , The product will supply to all over the world, such as: Somalia, South Africa, Ukraine, With a fully integrated operation system, our company has won a good fame for our high quality goods, reasonable prices and good services. Meanwhile, we have established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of "Credit first and customer supremacy", we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.

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Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.

By Joyce from Costa Rica - 2017.05.02 11:33

This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.

By Odelette from UK - 2017.09.16 13:44

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