higher density CuW alloy Copper tungsten bar / rod

WCu alloys are used where the combination of high heat resistance, high electrical and/or thermal conductivity, and low thermal expansion are needed. Some of the applications are in electric resistance welding, as electrical contacts, and as heat sinks. As contact material the alloy is resistant to erosion by electric arc. WCu alloys are also used in electrodes for electrical discharge machining and electrochemical machining.

 The CuW75 alloy, with 75% of tungsten, is widely used in chip carriers, substrates, flanges and frames for power semiconductor devices. The high thermal conductivity of copper together with the low thermal expansion of tungsten allows thermal expansion matching to silicorn, gallium arsenide, and some ceramics. Other materials for this applications are CuMo alloy, AlSiC, and Dymalloy.

 Alloy with 70-90% of tungsten is used in liners of some specialty shaped charges. The penetration is enhanced by factor 1.3 against copper for homogeneous steel target, as both the density and the break-up time are increased. Tungsten powder based shaped charge liners are especially suitable for oil well completion. Other ductile metals can be used as binder in place of copper as well. Graphite can be added as lubricant to the powder.

Material List

As tungsten copper has appropriate electro conductivity and heat-conductivity, so it is widely used in high temperature-resistance material, electrician alloy used in high voltage switch, electronic processing electrode, and micro-electronic material. As pieces, tungsten copper is widely used in spaceflight, aviation, electron, electronic power, metallurgy, mechanism etc.

Founded in 2001, Shenyang Tuopu New Materials Co., Ltd. has concentrated to research, development and production of cobalt-base alloys, tungsten-base alloys, nickel-base alloys and metal ceramics for many years.

 Currently, it can produce cobalt-base alloy sawtooth tips, valve balls, valve seats, pipes, rods, welding rod chemical fiber cutters, hot-extrusion dies, thermocouple protective pipes and cobalt-base alloys with multiple shapes. Now, the company has established business relations with domestic and overseas numerous manufacturers, winning wide approval from customers. 

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FAQ

Q1: What is the Warranty for the tungsten carbide products ?

A1: We own high precision grading machine to control geometry dimensions and apply ultra fine grain size substrate coated with high performance coatings to guarantee the lifetime of our products, which can satisfy every working condition.If any quality problems on our side occurred in this period , we will take on the shipping cost and replacement.
Q2: Do you provide free samples?

A2: Yes, usually we provide free samples for testing under the condition of freight paid by customer.

Q3: What is your minimum order requirement?

A3: We will indicate the MOQ for each item in the quotation sheet. We accept the sample and trial order. If the quantity of single item can't reach the MOQ, the price should be sample price.
Q4: What is the delivery time of your products?

A4: It depends on the inventory availability.If items needed are in stock, the delivery time would be within 8 work days, but if not the delivery time would be around 20 work days.
Q5: Can you manufacture carbide Special-shaped products?

A5: Yes, we can. We can produce both standard end mills and special tools. We can make them according to your drawings and samples.
Q6: May I have my order working schedule ?

A6: Yes, we will send working schedule of your order each week. We will inspect and test all merchandise in case of damaging and missing parts before shipment. The detailed inspection pictures of the order will be sent to you for your confirmation before delivery.
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