What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Does the material offer low thermal expansion?

Yes, copper tungsten composites have a relatively low and tailorable coefficient of thermal expansion, suitable for semiconductor and ceramic applications.

Are the products subjected to quality testing?

Yes, all products undergo rigorous physical testing including density, tensile, yield strength, conductivity, elongation, and hardness checks before delivery.

Copper Tungsten Cuw or Wcu Heat Sinks and Electronic Packaging Materials

Name: Copper Tungsten Cuw or Wcu Heat Sinks and Electronic Packaging Materials
Brand: Xi'an Kefeng Powder Metallurgy Co., Ltd.
SKU: 2111215975

Shaanxi, ChinaXi'an Kefeng Powder Metallurgy Co., Ltd.

US$100.00-500.00

50 kg

Sample price:US$8.00/piece.Request sample

Product profile

Customization

Available

Type

Cu (Copper/Copper-Alloy Welding Electrode)

Material

Wcu 70/30, Wcu 75/25, Wcu 80/20, Wcu 90/10

Model NO.

TC002

Diameter

Standard or by Drawing

Length

Standard or by Drawing

Welding Core Type

Alloy Structual Tungsten

Electrode Coating Type

Tungsten Alloy

Function

Surfacing Electrode, High Efficient Iron Powder Electrode

Composition

65%W35%Cu, 70%W30%Cu, 75%W25%Cu, 80%W20%Cu Copper

Standard

Rwma Class

Shapes

Wire, Rod, Bar, Strip, Foil, Block, Plate, Ring

Transport Package

Export Wooden Cases

Specification

Standard sizes or customized

Trademark

Kefeng

Origin

China

HS Code

81019990

Production Capacity

3000kgs Per Month

Key features

Wide Composition Range: Available from Cu 50 wt.% to Cu 90 wt.% with ratios like 70/30, 75/25, 80/20, 90/10.

Customizable Dimensions: Diameter from 1.0mm to 127mm+; Thickness from 0.05mm to 50mm; shapes by drawing.

High Thermal Conductivity: Superior thermal conductivity ranging from 180 to 230 W/m-K depending on composition.

Arc Erosion Resistance: Excellent resistance to high-temperature and arc-erosion for long electrode life.

Low Thermal Expansion: Tailorable coefficient of thermal expansion matching SiC and ceramic substrates.

ISO 9001 Certified: Manufacturer is ISO-accredited with over 28 years of experience in quality production.

Diverse Product Forms: Available as wire, rod, bar, strip, foil, plate, tube, and custom machined parts.

Conflict-Free Material: Manufactures and supplies DRC Conflict Free tungsten alloy materials only.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceIn-stock CapacityQuality Assurance

Xi'an Kefeng Powder Metallurgy Co., Ltd.

Shaanxi, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 1999-07-17Nearest Port: Shanghai, TianjingAverage Response Time: ≤7.27hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier specializes in tungsten heavy alloy products with a robust export capacity, accounting for 51% to 70% of total sales. They have been exporting for 23 years and offer customization services. Financial data for the past three years is available, but there is no collaboration with Fortune 500 companies. The supplier holds ISO9001:2015 certification and has a structured approach to quality control and customer service. However, they lack SDK availability for R&D and have no patents filed.

Supplier typeThe supplier is a combined company specializing in tungsten heavy alloy products, offering manufacturing and export services.

CertificationsThe supplier holds an ISO9001:2015 certification, indicating a recognized management system.

After-Sales capabilityThe supplier has clear procedures and records for handling customer complaints and service capability assessments.

Production capacityThe supplier offers high-quality production with export experience and meets ISO standards.

Customization capabilityThe supplier provides customization from samples and designs, supported by ODM and OEM services.

Product Q&A

Q:What are the available tungsten to copper ratios?

The most common ratios are WCu 70/30, 75/25, 80/20, and 90/10, with a total composition range from Cu 50 wt.% to Cu 90 wt.%.

Q:Can the product dimensions be customized?

Yes, we offer standard or custom dimensions. Rods range from 1.0mm to 127mm+, and plates/sheets range from 0.05mm to 50mm thickness, or according to customer drawings.

Q:What are the primary applications for copper tungsten?

It is extensively used for EDM electrodes, resistance welding electrodes, electrical contacts, heat sinks, and packaging materials in high-voltage and thermal applications.

Q:What certifications does the manufacturer hold?

Kefeng is ISO 9001 certified and SGS approved, with over 28 years of manufacturing experience ensuring high-quality standards.

Q:What forms are available for copper tungsten products?

Products are available as wire, rod, bar, strip, foil, sheet, plate, tube, blanks, semi-finished parts, and custom finished parts.