The purity (99.999%) tungsten bars are mainly used as materials for high-standard bearing steels, automobiles, high-speed railways, high-precision equipment, and high-tech weapons. The purity (99.99%) tungsten bars are mainly used in alloy tool steel, high-quality clean steel, high-performance special steel, etc. The purity 99.95% tungsten products are mainly used to cast raw materials for ingredients and forge special steel and drawn steel wires.
Stanford Materials provides customized pure tungsten products based in different sizes and shapes.
High purity Tungsten Bar Specifications:
Purity (%) |
Rod Item No. |
Bar Item No. |
Size |
99.999 |
PT74-TR1 |
PT74-TB1 |
Customized |
99.99
|
PT74-TR2 |
PT74-TB2 |
99.95
|
PT74-TR3 |
PT74-TB3 |
Chemical components for different purity Tungsten bars:
W (>%) |
Chemical Content (< %) |
99.999 PT74-TBSW1 |
Fe
|
Ca
|
Be
|
Sn
|
Al
|
Ni
|
Zn
|
Sb
|
Pt
|
K
|
Ta
|
Na
|
0.0001
|
0.00005
|
0.000005
|
0.000005
|
0.00005
|
0.00001
|
0.00005
|
0.00005
|
0.00003
|
0.000005
|
0.0001
|
0.00005
|
Cr
|
Pb
|
As
|
Mg
|
Ti
|
Bi
|
Mo
|
Cd
|
Cu
|
Ba
|
Co
|
Mn
|
0.000005
|
0.00001
|
0.00005
|
0.00005
|
0.000005
|
0.00001
|
0.00001
|
0.000005
|
0.000007
|
0.00001
|
0.000005
|
0.000005
|
99.99 PT74-TBSW2 |
Fe
|
Ca
|
Be
|
Sn
|
Al
|
Ni
|
Zn
|
Sb
|
Pt
|
K
|
O
|
Na
|
0.0001
|
0.00045
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0005
|
0.0040
|
0.0009
|
Cr
|
Pb
|
As
|
Mg
|
Ti
|
Bi
|
Mo
|
Cd
|
Cu
|
Ba
|
Co
|
Mn
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0002
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
99.95 PT74-TBW3
|
Fe
|
Ca
|
P
|
Sn
|
Al
|
Ni
|
N
|
Sb
|
Si
|
O
|
Pb
|
As
|
0.005
|
0.003
|
0.001
|
0.0001
|
0.002
|
0.003
|
0.003
|
0.001
|
0.003
|
0.003
|
0.0001
|
0.002
|
Mg
|
C
|
Bi
|
Mo
|
|
|
|
|
|
|
|
|
0.002
|
0.005
|
0.0001
|
0.001
|
|
|
|
|
|
|
|
|