Tungsten crucibles:
For rare earth metals smelting, heating elements for induction furnace, high temperature containers.
Main content, density, dimensions, tolerrance:
|
Item
|
W content % by the subractive method
|
Density
|
Rigidity (reference)
|
|
Tungsten crucibles
|
>99.0
|
>18.0
|
>200
|
The size and tolerance of rough product:
Unit: mm
|
Outer diameter
|
Highness
|
Wallthickness
|
|||
|
size
|
tolerance
|
size
|
tolerance
|
size
|
tolerance
|
|
<80
|
+/-2.0
|
<100
|
+/-3.0
|
<6
|
+/-1.0
|
|
>80~150
|
+/-3.0
|
>100~200
|
+/-4.0
|
>6~10
|
+/-2.0
|
|
>150~270
|
+/-4.0
|
>200~300
|
+/-5.0
|
>10~15
|
+/-3.0
|
|
>270~380
|
+/-5.0
|
>300
|
+/-6.0
|
>15
|
+/-4.0
|
The size and tolerance of blank product processing:
Unit: mm
|
Outer diameter
|
Highness
|
Wallthickness
|
|||
|
size
|
tolerance
|
size
|
tolerance
|
size
|
tolerance
|
|
<80
|
+/-1.5
|
<100
|
+/-1.5
|
<6
|
+/-0.8
|
|
>80~150
|
+/-2.0
|
>100~200
|
+/-2.0
|
>6~10
|
+/-1.3
|
|
>150~270
|
+/-2.5
|
>200~300
|
+/-2.5
|
>10~15
|
+/-2.0
|
|
>270~380
|
+/-3.0
|
>300
|
+/-3.0
|
>15~20
|
+/-2.5
|
|
>380
|
+/-3.5
|
>300
|
+/-3.0
|
>20
|
+/-3.0
|