various perfect tungsten product here,high density and corrosion resistant.never miss
US0.00-0.00
tungsten crucible
US0.00-0.00
產(chǎn)品描述
產(chǎn)品評價
詳細信息
Tungsten bar:
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
0.010
0.05
Ni
0.003
0.003
0.005
0.30
Al
0.002
0.002
0.005
0.005
Si
0.003
0.003
0.010
0.010
Ca
0.003
0.003
0.005
0.005
Mg
0.002
0.002
0.005
0.010
Mo
0.010
0.010
0.20
0.20
P
0.001
0.001
0.002
0.005
C
0.005
0.008
0.010
0.010
O
0.003
0.003
0.005
0.010
N
0.003
0.003
--
--
?
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tungsten bar
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various perfect tungsten product here,high density and corrosion resistant.never miss