tungsten electrode
1.material W1 2.Standard: GB4187-84
3.Size: dia.2----200mm 4. Purity 99.95%
5.Length:50~600mm

Description

Grade

W Content

Density

Specification

Application

Pure tungsten bars

W-1

≥99.95

≥19.3

12*12*400

14*14*450

16*16*500

For making W-rods and contacts

W bars for drawing wire

W-1

≥99.95

For drawing wire or poker in rare earth material smelting

W bars for

Steel smelting

W-1

 

≥99.95

≥99.90

For steel smelting or for alloy additive

     

 

 Appeanrance: shine with grey or dark metallic luster

application

  making W-rods and contacts , drawing wire or poker inrare earth material smelting ,   steel smelting alloy additive, rolling plateindustry,military,medical

  lighting and electrical vacuum device, power semiconducter device

Resistivity: 10-8 ohm.m Thermal conductivity: 174 W/m.k boiling: 5900°C melting: 3410°C

Processing methods :firing,forging,rolling,grinding casting

Uses:

suitable for processing ion implantation parts

producing electric light source parts and electric vacuumused as heating elements and high-temperature structural components parts

used as electrodes in the rare Metals industry

For making cathodes, high temperature setting rods, electrodes
Leads, supports and typing needles
Electrode of WTh20, WCe20, Pure tungsten for TIG welding