W-1 tungsten bar and rod

Tungsten bars 99.98% 1.Purity:99.95% 2.Size:Dia0.8-50mm 3.Density:19.3g/cm3 4.Technology:rotary swaging,polished

                                           W-1 tungsten bar and rod

1.Appearance: Rolling rods: Dark brown, the surface is smooth and straight, no defects (crackle, heavy skin, hole, trough, etc);

2.Polished tungsten rods: Bright silver gray metallic luster. (process according to user's drawing, surface finish is higher)

3.Dimension: Dia(2.0-100)*L(mm)

4.Tungsten rods applications: Used in electric boosting glass kiln electrode and electric Vacuum parts, etc.

Tungsten content	Type	Diameter (mm)	Dia.tolerance (mm)	Length (mm)	L tolerance (mm)	Liner rate
99.95%	Sintering rod	40-100	±3	500max	±5	±5%
	Froged rod	20-80	±2	800max	±5	±2%
	Ground rod	2-60	±0.1	650max	±1	±0.5%
Application	Be used for drawing tungsten wires, electrodes, heaters in high temperature vacuum furnace and so on.

 

 

Chemical Composition:

Grade	Tungsten content	Contents of Impurity Elements
		Total Content	Content of each element
WAL1,WAL2	99.95%min	0.05%nax	0.01%max
W1	99.95%min	0.05%max	0.01%max
W2	99.92%min	0.08%max	0.01%max

 

 

Dimension&Tolerance

Varity	Diameter Range	Diameter Tolerance
		MIN	MAX
Black rod wroughted	≥3.0mm	±0.05mm	±0.10mm
Straightened rod	0.5 →3.0mm	±0.01mm	±0.01mm
Ground rod	≥0.8mm	±0.01mm	±0.05mm

 

Technical Process

Tungsten Podwer → Isostatic Pressing → Bar Billet →Sinering  → Semi-finished bar  →Forging

→ Swaging → Polished → End products → Inspection  → Packing

 

W-1 tungsten bar and rod