Product Main

Specifications

Purity:  W≥99.99% Dia. :17.5mm length :720-750mmNet weight: 3kg/piecePackage: wooden caseApplication: Mainly used to found ingredient of material, forge special steel and drawing (of wire) ,cutter and heads,tungsten wire for lights instruments and conductor of heat, crankshaft and cylinder barrel of advanced automobile, ingredient of kinds of heat-resistent steel, mainly used to guns, artillery,rockets, satellite,airplane and ship.

Chemical Composition

Main Comp.W:≥99.99

Impurities

K

0.00005

Na

0.00005

Ca

0.00005

Fe

0.00010

Ta

0.00010

Pb

0.00001

Cu

0.00001

Sn

0.00001

Ba

0.00001

Mn

0.00001

Be

0.00001

Pt

0.00001

Co

0.00002

Cd

0.00002

Cr

0.00002

Mg

0.00001

Zn

0.00001

Sb

0.00001

Al

0.00001

Mo

0.00005

Ni

0.00002