产品用途：
钨制品和钨合金的主要原料，用于制备碳化钨粉和生产硬质合金工具。
Application:
It is used as the main raw material of tungsten products and tungsten alloys and for making tungsten carbide powder and cemented carbide tools.
产品性能参数/ Product Property Parameters:
|
牌号Grade
|
FW-1
|
FW-2
|
FWP-1
|
|
粒度范围
Fsss (μm)
|
1.0~2.0
|
2.0~7.0
|
7.0~10.0
|
1.0~2.0
|
2.0~7.0
|
7.0~10.0
|
双方协商Negotiate
|
|
主含量
（%，不小于）
Main Content, %, min
|
W
|
99.95%
|
99.95%
|
99.95%
|
99.9%
|
99.9%
|
99.9%
|
99.95%
|
|
杂质含量（质量分数），（%，不大于）
Impurity Contents (mass fraction), %, max
|
Fe
|
0.0050
|
0.0050
|
0.0050
|
0.030
|
0.030
|
0.030
|
0.030
|
|
Al
|
0.0010
|
0.0010
|
0.0010
|
0.0040
|
0.0040
|
0.0040
|
0.0050
|
|
Si
|
0.0020
|
0.0020
|
0.0020
|
0.0050
|
0.0050
|
0.0050
|
0.010
|
|
Mg
|
0.0010
|
0.0010
|
0.0010
|
0.0040
|
0.0040
|
0.0040
|
0.0040
|
|
Mn
|
0.0010
|
0.0010
|
0.0010
|
0.0020
|
0.0020
|
0.0020
|
0.0040
|
|
Ni
|
0.0030
|
0.0030
|
0.0030
|
0.0040
|
0.0040
|
0.0040
|
0.0050
|
|
As
|
0.0015
|
0.0015
|
0.0015
|
0.0020
|
0.0020
|
0.0020
|
0.0020
|
|
Pb
|
0.0001
|
0.0001
|
0.0001
|
0.0005
|
0.0005
|
0.0005
|
0.0007
|
|
Bi
|
0.0001
|
0.0001
|
0.0001
|
0.0005
|
0.0005
|
0.0005
|
0.0007
|
|
Sn
|
0.0003
|
0.0003
|
0.0003
|
0.0005
|
0.0005
|
0.0005
|
0.0007
|
|
Sb
|
0.0010
|
0.0010
|
0.0010
|
0.0010
|
0.0010
|
0.0010
|
0.0010
|
|
Cu
|
0.0007
|
0.0007
|
0.0007
|
0.0010
|
0.0010
|
0.0010
|
0.0020
|
|
Ca
|
0.0020
|
0.0020
|
0.0020
|
0.0040
|
0.0040
|
0.0040
|
0.0040
|
|
Mo
|
0.0050
|
0.0050
|
0.0050
|
0.010
|
0.010
|
0.010
|
0.010
|
|
K+Na
|
0.0030
|
0.0030
|
0.0030
|
0.0030
|
0.0030
|
0.0030
|
0.0030
|
|
P
|
0.0010
|
0.0010
|
0.0010
|
0.0040
|
0.0040
|
0.0040
|
0.0040
|
|
C
|
0.0050
|
0.0050
|
0.0050
|
0.010
|
0.010
|
0.010
|
0.010
|
|
O
|
0.30
|
0.25
|
0.2
|
0.30
|
0.25
|
0.2
|
0.20
|
