CHANGSHA RILI METAL TECHNOLOGY CO., LTD.

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Tungsten bar

Payment Terms:	T/T

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Basic Info.

Supply Capacity

Appearance : Silver gray metallic luster .

Grade : W-1 W-2 W-3 W-4

Density:≥17.0g /cm3

Main application : W-1 is used for making the pole , wire drawing , or doing steel-making additive . W-4 is used as the steel-making additives .

The impurity content accords with GB3459-82

Grade		W-1	W-2	W-3	W-4
The impurity Content is not more than %	Pb	--	--	--	0.001
	Bi	--	--	--	0.001
	Sn	--	--	--	0.001
	Sb	--	--	--	0.001
	As	--	--	--	0.002
	Fe	0.005	0.005	0.01	0.05
	Ni	0.003	0.003	0.005	0.3
	Al	0.002	0.002	0.005	0.005
	Si	0.003	0.003	0.01	0.01
	Ca	0.003	0.003	0.005	0.005
	Mg	0.002	0.002	0.005	0.01
	Mo	0.01	0.01	0.2	0.2
	P	0.001	0.001	0.002	0.005
	C	0.005	0.008	0.01	0.01
	O	0.003	0.003	0.005	0.01
	N	0.003	0.003	--	--