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Tin Phosphor Bronze Strip

Copper alloy with Cu-Sn-P as the main alloying element is called tin-phosphor bronze strip. As a pioneer of phosphor bronze strip suppliers, we offer the tin phosphor bronze tape products in good quality, which can be used in CPU sockets, mobile phone keys, car terminals, connectors, electronic connectors, electronic connectors, bellows, spring plates, harmonica friction plates, wear-resistant parts of instruments, and Antimagnetic parts, automotive parts, electrical parts of machinery.

In addition to our standard tin-phosphor bronze strip, we offer a wide range of other copper strip products, including thin copper strips, nickel silver strip, and so on, to meet your diverse needs.

Products

Certifications

Tin Phosphor Bronze Strip Video

Tin Phosphor Bronze Strip Performance Advantages

Jintian has many types of tin phosphor bronze strip, like c5071 bronze strip, c5210 bronze strip and c5191 bronze strip, etc. They offers a wide range of performance advantages that make it a popular choice in various industries.

Good yield strength and fatigue strength

Phosphorus bronze strip can withstand repeated cycles of stress without breaking down or deforming. This makes it an ideal material for use in applications where reliability and durability are critical, such as in the manufacturing of springs or electrical contacts.

Good elastic properties

Phosphor bronze strip can bend and deform without losing its original shape or properties, which is essential in applications that require high levels of flexibility or where parts need to be formed or shaped.

Excellent processing performance and bending performance

This feature makes tin phosphor bronze easy to work with and form into complex shapes. This is important in applications where parts need to be customized or tailored to specific requirements.

Better ductility, durability, corrosion resistance

The high ductility of bronze strip allows it to stretch and bend without cracking, while its durability ensures it can withstand harsh environments and extreme temperatures. Additionally, tinned copper strip's corrosion resistance makes it a popular choice in marine and outdoor applications where exposure to saltwater and other corrosive elements is common.

Application Fields

Electronic Connector

Phosphor bronze tape is widely used in electronic connectors due to its excellent electrical conductivity and mechanical properties. It ensures reliable electrical connections and low contact resistance, making it suitable for high-speed data transmission and signal integrity. The phos bronze strip's spring-like properties provide a secure and consistent contact force, maintaining a stable electrical connection even under challenging conditions.

Computer Connector

In computer connectors, such as those found in motherboards, graphics cards, and peripheral devices, phosphor bronze strip plays a vital role. Its high resilience and durability allow for repeated insertions and removals without compromising the electrical performance. The phosphor bronze tape's corrosion resistance ensures long-lasting connectivity, minimizing signal degradation and maximizing data transfer speeds.

Switch Socket

Phos bronze strip is extensively utilized in switch sockets due to its reliable electrical conductivity and wear resistance. The tin coating on the phosphor bronze tape provides additional protection against oxidation, ensuring prolonged durability and preventing contact failures. The tin phosphor bronze's spring properties enable smooth and responsive switch operations, making it ideal for various switch applications, including keyboards, industrial controls, and household appliances.

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computer-connector
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Tin Phosphor Bronze Strip Performance Parameter

Alloy Grade	Standard	Chemistry Composition%								Size Available
Alloy Grade	Standard	Sn	Zn	Ni	Fe	Pb	P	Cu	Others	Thinckness	Width
QSn6.5-0.1	GB	6.0-7.0	≤0.30	/	≤0.05	≤0.02	0.10-0.25	Remains	≤0.4	0.10-3.00mm	20-400mm
QSn8-0.3		7.0-9.0	≤0.20	/	≤0.10	≤0.05	0.03-0.35	Remains	≤0.85
QSn4.0-0.3		3.5-4.9	≤0.30	/	≤0.10	≤0.05	0.03-0.35	Remains	≤0.95
QSn2.0-0.1		2.0-3.0	≤0.80	≤0.80	≤0.05	≤0.05	0.10-0.20	Remains	/
C5191	JIS		≤0.20	/	≤0.10	≤0.02	0.03-0.35	Remains	Cu+Sn+P≥99.5
C5210			≤0.20	/	≤0.10	≤0.02	0.03-0.35	Remains	Cu+Sn+P≥99.5
C5102			≤0.20	/	≤0.10	≤0.02	0.03-0.35	Remains	Cu+Sn+P≥99.5
CuSn6	JIS		≤0.30	≤0.30	≤0.10	≤0.05	0.01-0.4	Remains	/
CuSn8	JIS		≤0.30	≤0.20	≤0.10	≤0.05	0.01-0.4	Remains	/

physical property:

Grade		Temper		Tensile Strength(N/mm^2)		Elongation(%)		Hardness(HV)
GB	JIS	GB	JIS	GB	JIS	GB	JIS	GB	JIS
QSn6.5-0.1	C5191	O60	O	≥315	≥315	≥40	≥42	≤120	/
		H01	1/4H	390-510	390-510	≥35	≥35	110-155	100-160
		H02	1/2H	490-610	490-610	≥10	≥20	150-190	150-205
		H04	H	590-690	590-685	≥8	≥8	180-230	180-230
		H06	EH	635-720	635-720	≥5	≥5	200-240	200-240
		H08	SH	≥690	≥690	/	/	≥210	≥210
QSn8-0.3	C5210	O60	/	≥345	/	≥45	/	≤120	/
		H01	1/2H	390-510	470-610	≥40	≥27	100-160	140-205
		H02	H	490-610	590-705	≥30	≥20	150-205	185-235
		H04	EH	590-705	685-785	≥12	≥11	180-235	210-260
		H06	SH	685-785	735-835	≥5	≥9	210-250	230-270
		H08	ESH	≥735	770-885	/	≥5	≥230	245-285
/	C5102	/	O	/	≥305	/	≥40	/	/
			1/4H		375-470		≥28		90-160
			1/2H		470-570		≥15		130-190
			H		570-665		≥7		170-220
			EH		620-710		≥4		190-230
			SH		≥660		/		≥200

Production Process

01

Raw materials

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02

Horizontal continuous casting

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03

Four-sided milling

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04

Rough rolling mill

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05

Thick shear

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06

Uniform hood annealing

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07

Finishing mill

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08

Pickling

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09

Uniform hood annealing

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Minor finishing mill

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German OTTO air cushion furnace

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12

Stretching and straightening machine

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13

Shear, Striping

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14

Finished product packaging

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Three-dimensional warehouse

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Delivery and delivery

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Copper Strip & Roll FAQs

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What is copper strip?
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Copper strip is a metal component, mainly used in the production of
electrical components, lamp caps, battery caps, buttons, seals, connectors, and is mainly used as electrical, thermal, and corrosion-resistant equipment. Such as electrical components, switches, gaskets, gaskets, electrical vacuum devices, radiators, conductive base materials and automotive water tanks, heat sinks, cylinder fins and other parts.
Friends who want to buy copper strip & roll, contact Jintian group.
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What are copper strip products used for?
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Copper strip has four main types: pure copper strip, brass strip, bronze strip and nickel silver strip. Pure copper strip is used in manufacture of automobile water tank tubes, heat sinks, electronic parts, semiconductor, automotive and electrical fields, etc.; Roll of Brass strip is widely used in electronic components, switch sockets, building etchings, windshileds, fasteners, nameplates, lables, condenser and heat exchanger, hardware products and clothing, dials, lipstick cases, etc.; Tin phosphor bronze strip is widely used in high-tech electronic field such as computer CPU sockets, car terminals, mobile phone buttons, electronic connectors, etc.; Nickel silver strip is widely used in manufacture of structural parts, elastic components, precision instruments, communication industry, liquid crystal oscillator component shells, etc.