Ganzhou Tejing Tungsten and Molybdenum Co.,Ltd

◆ Appearance:Free flowing dark blue crystal line powder.

◆ Packing:In iron drum with inside plastic bags of 100kg or 200kg net each.

◆ Remarks:Any partiqular requirement to the specifications can be discussed.

Grade		GRADE-1	GRADE-2
WO_2.8-2.97（%min）		99.95	99.95
Impurity Content （%max）	AL	0.0005	0.001
	FE	0.001	0.0015
	S	0.0007	0.001
	AS	0.001	0.002
	P	0.0007	0.001
	MO	0.002	0.0030
	CA	0.001	0.0015
	MG	0.0007	0.001
	K	0.001	0.0015
	NA	0.001	0.0015
	SI	0.001	0.0015
	CU	0.0003	0.001
	MN	0.001	0.001
	NI	0.0007	0.001
	PB	0.0001	0.0005
	BI	0.0001	0.0005
	SN	0.0001	0.001
	SB	0.0005	0.001
	V	0.001	0.001
	TI	0.001	0.001
	CR	0.001	0.001
	CO	0.001	0.001
	CD	0.001	0.001
Fsss:10-18 UM		SCOTT DENSITY：2.0-2.6 G/CM³
LOI：0.5%MAX		CHLORIDE RESIDUE：0.01%MAX

◆ Chemical Composition(%)：

W

Fe

Mo

other impurities

≥99.95

≤0.002

≤0.003

≤0.001

Note:K is not regarded as impurity.

◆ Diameter Range：

CLASS IFICATION

minimal diameter

maximal diameter

TUNGSTEN ROD

swaged

3.0

16.0

straightened

0.40

3.0

GROUND TUNGSTEN ROD

1.0

14.0

◆ Diameter Tolerance：

Diameter

Black tungsten rod

Ground tungsten rod

diameter tolerance

roundness

diameter tolerance

roundness

0.40<d≤0.80

±2

2

-

-

0.80<d≤3.0

±2

2

±0.03

0.03

3.0<d≤6.5

±2

2

±0.05

0.05

6.5<d≤14

±2

2

±0.08

0.08