Origin	China
Model Number	50

Rolling Tungsten Plates:

Tungsten plates: Executive standard: GB/T3875-1983

Designation: W-1: W:99.95%min      W-2:  W:99.95%min          W-4:  W:99.90%min

Specifications: W×H×L  (20-50)×(80-180)×350 mm

Density: W-1≥17.5g/cm³        W-2≥17.5g/cm³       W-4≥15.5g/cm³

Impurity content:

Product designation		W-1	W-2	W-4
Impurity content ≤ %max	Fe	0.0030	0.0040	0.0300
	Si	0.0020	0.0020	0.0050
	Ca	0.0020	0.0020	0.0050
	Al	0.0020	0.0020	0.0050
	Mg	0.0010	0.0010	0.0050
	Ni	0.0020	0.0020	0.0500
	Sb	0.0010	0.0010	0.0010
	As	0.0015	0.0020	0.0020
	Sn	0.0003	0.0005	0.0005
	Mo	0.0040	0.0040	0.0500
	P	0.0010	0.0010	0.0030
	C	0.0030	0.0050	0.0100
	O	0.0020	0.0020	0.0300
Applications		Tungsten based alloy material	Materials of manufactured lumber	Alloy additives

Grade and sizes:

Grade	Size
	Thickness(mm)	Width(mm)	Length(mm)
Tungsten and tungsten alloys	2-15	<350	<600
	1-2	<500	<1000
	0.5-1	<550	<1000
	0.3-0.5	<400	<1000
	0.2-0.3	<350	<800

Note: special sizes are available by the two sides negotiation