What are the payment terms and lead time?

Payment terms are LC or T/T. The average lead time is one month for both peak and off-peak seasons.

Key Grades and Compositions of Tungsten Copper

Name: Key Grades and Compositions of Tungsten Copper
Brand: Xi'an Kefeng Powder Metallurgy Co., Ltd.
SKU: 2267315265

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

Copper Tungsten A10W, A30W

Diameter

Customized or by Drawing

Length

Customized or by Drawing

Welding Core Type

Alloy Structual Tungsten

Electrode Coating Type

Tungsten Alloy

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,

Tungsten Content

70%, 80%, 90%

Transport Package

Export Wooden Cases

Specification

Standard sizes or customized

Trademark

Kefeng

Origin

China

HS Code

81019990

Production Capacity

3000kgs Per Month

Key features

Customized Dimensions: Diameter and length can be customized or provided by drawing.

High Tungsten Grades: 70W-30Cu and 80W-20Cu offer high hardness and ablation resistance.

Superior Conductivity: 55W-45Cu and 50W-50Cu grades provide excellent thermal and electrical conductivity.

Advanced Manufacturing: Produced via Powder Metallurgy or Melt Infiltration for high density.

Wide Application Range: Suitable for aerospace nozzles, electrodes, and microelectronic packaging.

Special Grade Options: Enhanced sintering activity with Ni, Co, Fe or nano-powders.

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: ≤10.11hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is a combined company specializing in manufacturing and exporting tungsten heavy alloy products. It holds ISO9001:2015 certification, has documented quality and service procedures, and supports customization, ODM, and OEM services. Export experience spans 23 years, with 51%–70% of sales from exports and shipments to Europe, America, and Japan. R&D is active, with three engineers, new products reported in the past year, and available design documentation, but no SDK and no R&D patents are reported. Customer service procedures and corrective-action records are documented, while overseas service coverage is listed as zero. Financial information identifies reporting years but provides no assessable financial results. No cooperation with Fortune 500 companies is reported, and production scale or capacity metrics are not provided.

Supplier typeThe supplier is identified as a combined company and describes itself as a manufacturer and exporter specializing in tungsten heavy alloy products. This indicates an integrated manufacturing/export business rather than a purely trading or offshore entity.

CertificationsThe supplier reports ISO9001:2015 certification in its company description, sustainable development information, and management-system information. The repeated certification evidence supports a positive assessment of formal quality-management certification.

After-Sales capabilityThe supplier has written procedures and followed records for service assessment, corrective and preventive actions, and customer complaints. However, overseas service coverage is listed as zero, so the evidence supports procedural capability but not broad overseas service availability.

R&D capabilityThe supplier reports new products during the past year, ODM capability, three R&D engineers, and available design input, output, review, verification, and validation documents. Against this, it reports no available SDK and zero R&D patents; overall innovation activity is evidenced, but patent and SDK capabilities are absent.

Production capacityThe supplier manufactures customized tungsten sheet, plate, foil, and strip, follows uniform finished-product inspection instructions, and reports nine quality-control test equipment items. Export logistics and one-month peak and off-season lead times are stated, but production capacity or output volume is not provided.

Customization capabilityThe supplier explicitly offers customization from samples and designs, produces products according to drawings and requests, and provides ODM and OEM services. These multiple statements directly support strong customization capability.

Client casesThe supplier reports exports to Europe, America, and Japan and states that it provides OEM services for well-known brands. It also reports no cooperation with Fortune 500 companies, so customer experience is evidenced but specific named cases and top-tier corporate references are limited.

Product Q&A

Q:What tungsten-copper compositions are available?

Common compositions include 65%W35%Cu, 70%W30%Cu, 75%W25%Cu, and 80%W20%Cu. Tungsten content options also include 70%, 80%, and 90%.

Q:Can the size and shape be customized?

Yes, diameter and length can be customized or provided by drawing. Shapes include wire, rod, bar, strip, foil, block, plate, and ring.

Q:What are the differences between high and medium copper grades?

High tungsten content (e.g., 70W-30Cu) offers higher hardness and ablation resistance. Medium-high copper content (e.g., 50W-50Cu) provides superior thermal/electrical conductivity and better machinability.

Q:What manufacturing methods are used?

We use Powder Metallurgy (pressing and sintering) and Melt Infiltration (infiltrating molten copper into tungsten skeleton) to ensure high density and performance.

Q:What are the typical applications for these alloys?

High tungsten grades are used in aerospace nozzles and heavy-duty electrodes. Medium copper grades are ideal for microelectronic packaging and electrical contacts.