Bronze bar mainly used as wear-resistant parts and elastic element, such as computer connector, mobile phone connector, connectors, electrical and electronic high-tech industry with spring, switch socket, electronic products, buttons, electrical fittings, lead frame, the vibrating plate and terminals, etc.

The cadmium bronze bar:

Our cadmium bronze bar containing 0.4%~1.1%Cr (mass fraction, the same below) of high copper alloy Cu-Cr two element phase diagram shown in figure 1-12. in the eutectic temperature of 1072 DEG C, the maximum solubility of chromium in copper was 0.65% (literature that 0.68%). With the decrease of temperature, the solubility decreased sharply after solution aging precipitation of Cr particle phase. Chromium bronze rod can be obtained by quenching and aging hardening or a cold deformation and aging treatment was strengthened. Addition of chromium, a significantly higher alloy recrystallization temperature and heat resistance; on the other hand, the conductivity of copper decreased slightly. The solution treatment of chromium bronze rod conductivity is 450/0IACS, aging after the treatment of 80%IACS. rise to the aging state of chromium bronze rod softening temperature of 400 DEG C, is two times the cold processing of copper. This alloy can use.Al and Mg as alloy element chromium bronze bar when added in casting state and deformation state, can be combined on the surface of Cu-Cr shaped gold Into a layer of thin, dense and the base metal with solid oxide film and improve the alloy high-temperature oxidation resistance and heat-resistant, Al and Mg content in the alloy usually not more than 0.3%.Zr in Chromium Bronze rods can be and Cr solid solution formation in the Cu compounds Cr2Zr, its solubility with temperature decrease obviously reduced, the alloy strength, hardness, heat resistance has increased, while the effect on the electrical conductivity of the alloy is very small. As a result of Cu Cr Zr alloy for typical high strength and high conductivity copper alloy.

The cadmium bronze bar at room temperature and 400 DEG C with higher strength and hardness, electrical conductivity and thermal conductivity shaping good performance. Widely used in electrical equipment high temperature conductive wear-resistant parts. Main purpose: motor commutator and collector ring and high temperature switch, electric welding machine electric pole, a roller and a clamping holder and used in the form of double metal brake discs, disc and other requirements of high thermal conductivity, electrical conductivity and thermal strength of parts.

Our advantages:

1. One stop supplier for lead and copper products in Wuxi China.
2.Superior quality with factory price
3. Quick reply and considerate service
4. Fast delivery by air, sea or as customer requires.
5. More than 10 years in bronze products supply business.
6. Exported to more than 109 countries.
7.Excellent and immediate after-sale service

How to make the order ?
Δ First step , Please contact with our sales team , talked about the cargo details , if need sample , we can supply the sample for free ;
Δ If the sample can reach to requirement , the client can sign the contract with our company;
Δ Before shipment , client can inspect the cargo loading and seal the container , we also can accept inspection of the third party ( Such as SGS ,BV etc ) ;
Δ After 5 days of shipment , we will send the documents of customs clearance to you ;
Δ  After get the cargo , please give feedback to us ;

Q1. Where is your factory ?

A1: Our company's processing center is located in Tianjin, China.Which is well equipped with kinds of machines, such as laser cutting machine, mirror polishing machine and so on.We can provide a wide range of personalized services according to the customers' needs.

Q2. How do you control quality ?

A2: First step , Please contact with our sales team , talked about the cargo details , if need sample , we can supply the sample for free ; If the sample can reach to requirement , the client can sign the contract with our company;Before shipment , client can inspect the cargo loading and seal the container , we also can accept inspection of the third party ( Such as SGS ,BV etc ) ;

Q3. What are the advantages of your company ?

A3: We have many professionals, technical personnel, more competitive prices and best after-dales service than other seamless lead product companies.

Q4. Can you arrange the shipment ?

A4: Sure we can help you with the shipment. We have forwarders who have cooperated with us for many years.

Q5. How about the delivery time ?

A5: It is based on the order, After 5 days of shipment , we will send the documents of customs clearance to you ;After get the cargo , please give feedback to us ;